Mumble

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Details

Founded:: 2013
Hourly Rates:: $50 - $99 / hr
Employees:: 10 - 49
Ratings:: 4.7 9 Reviews

Industries Served

Government & Public Sector Gaming & Gambling Advertising & Marketing Information Technology Real Estate Nonprofit & NGO Healthcare Environmental Services

Where We Specialize

22% Cross Platform

Cross Platform 22%

Mobile App Development 16%

Web Development 15%

Virtual Reality 14%

AI Development 13%

Bot Development 11%

Salesforce Development 9%

Industry Expertise

Sports52% Social Media48%

Typical Project Size

45% Small Business

32% Midmarket Business

23% Enterprise

About

Mumble is a technology company founded in 2013. The company's main offerings are Mobile App Development. Mumble employs 10 - 49 people. Clients can expect pricing around $50 - $99 / hr/hr, with projects averaging about $35,000. Mumble holds a 4.6-star rating across 8 client reviews. This gives a quick snapshot of what to expect when working with Mumble.

Mumble Reviews

4.7 9 Reviews

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Professional Mobile App Development Team, Smooth Delivery From Start to Finish

Josh Walker / Co-Founder | Sep 20, 2026

I would rate this engagement highly on almost every front. We dealt with the same core team throughout, so we did not have to keep re-explaining things. The team asked a lot of questions early on, which felt slow at first but meant there were very few surprises later. They took the time to understand our business before suggesting anything, which we appreciated after previous agencies jumped straight into building.

Since launch, everything has been stable and our team has adapted to it quickly. If you need a team that communicates well and delivers, they are a good choice.

Project summary

We engaged Mumble to build iOS and Android apps for our customers, including booking, payments and push notifications. They worked alongside our in-house team, which mostly handled business requirements and testing. We worked together for around 5 months.

Overall Rating 4.5
Quality 4.0
Schedule 4.0
Project Cost 4.5
Willing To Refer 5.0

Project Type:: Mobile App Development
Project Cost:: $10,000 to $49,999
Project Duration:: Mar 2026 - Aug 2026
Business Type:: Government & Public Sector
Location:: Wellington, New Zealand

Questions & Answers

Please describe your company, your role, and the industry you operate in.

I'm the Co-Founder at Summit Public Services Ltd, a Government & Public Sector company based in Wellington, New Zealand. I look after our technology and work closely with outside partners on bigger projects.

What specific problem or business challenge led you to hire this company?

We needed to build iOS and Android apps for our customers, including booking, payments and push notifications, and we didn't have the in-house capacity to do it ourselves.

What services did the company provide for your project?

End-to-end Mobile App Development — from requirements and design through to deployment and a support period afterwards.

Why did you choose this company over other providers you considered?

We compared three or four agencies. Mumble asked the best questions and had good reviews from past clients.

How clearly did the company understand your requirements and business goals?

Better than we expected. They pointed out a few things we had not thought about.

How was your overall experience with their communication and project management?

Communication was good overall and improved further once we settled into a routine.

Did the company deliver the project on time and within your expected budget?

Mostly. One milestone slipped by about a week, but the final delivery was on schedule and the budget held.

What tangible results or business impact have you seen since the project was completed?

Customer feedback has been positive, and we have seen better engagement since going live.

What did you like most about working with this company?

That they were proactive — they suggested improvements instead of just doing what was asked.

Would you recommend this company to others, and would you work with them again?

Definitely. We have already started talking about the next phase.

Reliable Mobile App Development Partner That Delivered What They Promised

Tobias Weber / Managing Director | Sep 12, 2026

I would rate this engagement highly on almost every front. When we changed our minds on a couple of features halfway through, they handled it without fuss and were clear about the impact on cost and timeline. The team asked a lot of questions early on, which felt slow at first but meant there were very few surprises later.

It has made a real difference to how our team works day to day. Happy to recommend them.

Project summary

We partnered with Mumble to rebuild our existing mobile app, which had poor reviews and frequent crashes. They also took care of integrations with a couple of third-party tools we already used. The engagement ran for about 8 months.

Overall Rating 5.0
Quality 5.0
Schedule 5.0
Project Cost 5.0
Willing To Refer 5.0

Project Type:: Mobile App Development
Project Cost:: Less than $10,000
Project Duration:: Nov 2025 - Jul 2026
Business Type:: Gaming & Gambling
Location:: Frankfurt, Germany

Questions & Answers

Please describe your company, your role, and the industry you operate in.

I'm the Managing Director at Oakline Games GmbH, a Gaming & Gambling company based in Frankfurt, Germany. I look after our technology and work closely with outside partners on bigger projects.

What specific problem or business challenge led you to hire this company?

Our existing setup was holding us back. We wanted to rebuild our existing mobile app, which had poor reviews and frequent crashes before our busy season.

What services did the company provide for your project?

Mainly Mobile App Development. They also helped with the technical planning and a few integrations with our existing tools.

Why did you choose this company over other providers you considered?

They had relevant experience in Gaming & Gambling and their proposal was the clearest of the ones we received.

How clearly did the company understand your requirements and business goals?

They understood our goals quickly, partly because they had worked with Gaming & Gambling clients before.

How was your overall experience with their communication and project management?

Organised and transparent. Their project manager kept the project on track and flagged risks early.

Did the company deliver the project on time and within your expected budget?

Mostly. One milestone slipped by about a week, but the final delivery was on schedule and the budget held.

What tangible results or business impact have you seen since the project was completed?

We can now handle more volume without adding staff, which was the main goal.

What did you like most about working with this company?

Their attention to detail and the quality of the final product.

Would you recommend this company to others, and would you work with them again?

Yes, I would recommend them and we plan to work with them again.

Reliable AI & Machine Learning Partner That Delivered What They Promised

Lukas Müller / Co-Founder & CTO | Aug 14, 2026

We were happy with the final result. Communication was consistent. We had a weekly call, a shared Slack channel and a project board we could check at any time. We dealt with the same core team throughout, so we did not have to keep re-explaining things.

It has made a real difference to how our team works day to day. Documentation at handover was a bit thin and we had to ask for more detail.

We are already discussing the next phase with them.

Project summary

Our company worked with Mumble to automate document data extraction that our team was doing by hand. Their team handled planning, development and QA, with our product owner signing off each milestone. The engagement ran for about 3 months.

Overall Rating 4.0
Quality 4.0
Schedule 4.0
Project Cost 4.5
Willing To Refer 5.0

Project Type:: AI & Machine Learning
Project Cost:: $10,000 to $49,999
Project Duration:: Mar 2026 - Jun 2026
Business Type:: Advertising & Marketing
Location:: Cologne, Germany

Questions & Answers

Please describe your company, your role, and the industry you operate in.

Clearfield Creative GmbH is a Advertising & Marketing business in Cologne, Germany. As Co-Founder & CTO, I was responsible for this project on our side and the main contact for Mumble.

What specific problem or business challenge led you to hire this company?

Our existing setup was holding us back. We wanted to automate document data extraction that our team was doing by hand before our busy season.

What services did the company provide for your project?

AI & Machine Learning, plus QA and some consulting on how to structure the project.

Why did you choose this company over other providers you considered?

We compared three or four agencies. Mumble asked the best questions and had good reviews from past clients.

How clearly did the company understand your requirements and business goals?

They understood our goals quickly, partly because they had worked with Advertising & Marketing clients before.

How was your overall experience with their communication and project management?

Very responsive. We usually heard back the same day, even with the time difference.

Did the company deliver the project on time and within your expected budget?

Mostly. One milestone slipped by about a week, but the final delivery was on schedule and the budget held.

What tangible results or business impact have you seen since the project was completed?

We can now handle more volume without adding staff, which was the main goal.

What did you like most about working with this company?

Their attention to detail and the quality of the final product.

Would you recommend this company to others, and would you work with them again?

Definitely. We have already started talking about the next phase.

A reliable long-term partner for our tech needs

Niamh Walsh / CTO | Aug 03, 2026

Honestly, this was one of the smoothest projects we have run with an outside team. We dealt with the same core team throughout, so we did not have to keep re-explaining things. Even with the time zone difference, responses usually came the same day and we never felt left in the dark. Their project manager kept things organised and was quick to flag anything that might affect the timeline.

The Web Development work has already made a noticeable difference — tasks that used to take hours now take minutes. I would recommend Mumble to anyone looking for a dependable Web Development partner.

Project summary

We engaged Mumble to rebuild a slow, outdated web app and move it to a new framework. They also took care of integrations with a couple of third-party tools we already used. Overall it was a 3-month engagement.

Overall Rating 5.0
Quality 5.0
Schedule 5.0
Project Cost 5.0
Willing To Refer 5.0

Project Type:: Web Development
Project Cost:: $150,000 to $499,999
Project Duration:: Mar 2026 - Jun 2026
Business Type:: Information Technology
Location:: Cork, Ireland

Questions & Answers

Please describe your company, your role, and the industry you operate in.

I work as CTO at Pinecrest Tech Ltd. We operate in Information Technology and most of our customers are in and around Cork, Ireland.

What specific problem or business challenge led you to hire this company?

We needed to rebuild a slow, outdated web app and move it to a new framework, and we didn't have the in-house capacity to do it ourselves.

What services did the company provide for your project?

Web Development, including planning, development, testing and launch support.

Why did you choose this company over other providers you considered?

They had relevant experience in Information Technology and their proposal was the clearest of the ones we received.

How clearly did the company understand your requirements and business goals?

Very well. They asked a lot of questions upfront and turned our rough ideas into a clear plan.

How was your overall experience with their communication and project management?

Communication was good overall and improved further once we settled into a routine.

Did the company deliver the project on time and within your expected budget?

Yes. The only extra cost came from features we added ourselves, and they quoted those fairly.

What tangible results or business impact have you seen since the project was completed?

Customer feedback has been positive, and we have seen better engagement since going live.

What did you like most about working with this company?

How easy they were to work with. They were responsive, honest and genuinely interested in our success.

Would you recommend this company to others, and would you work with them again?

Yes, I would recommend them and we plan to work with them again.

Solid Mobile App Development Work With Clear Communication Throughout

Sophie Hughes / Co-Founder & CTO | May 26, 2026

We were very happy with how this project went. They were upfront about what was realistic within our budget, which helped us prioritise the right features. Communication was consistent. We had a weekly call, a shared Slack channel and a project board we could check at any time. The team asked a lot of questions early on, which felt slow at first but meant there were very few surprises later.

We are already seeing better numbers than before the project.

If you need a team that communicates well and delivers, they are a good choice.

Project summary

We engaged Mumble to build iOS and Android apps for our customers, including booking, payments and push notifications. Their team handled planning, development and QA, with our product owner signing off each milestone. Overall it was a 9-month engagement.

Overall Rating 5.0
Quality 5.0
Schedule 5.0
Project Cost 5.0
Willing To Refer 5.0

Project Type:: Mobile App Development
Project Cost:: $10,000 to $49,999
Project Duration:: Jul 2025 - Apr 2026
Business Type:: Real Estate
Location:: Reading, UK

Questions & Answers

Please describe your company, your role, and the industry you operate in.

I work as Co-Founder & CTO at Copper Leaf Estates. We operate in Real Estate and most of our customers are in and around Reading, UK.

What specific problem or business challenge led you to hire this company?

Our existing setup was holding us back. We wanted to build iOS and Android apps for our customers, including booking, payments and push notifications before our busy season.

What services did the company provide for your project?

Mainly Mobile App Development. They also helped with the technical planning and a few integrations with our existing tools.

Why did you choose this company over other providers you considered?

A colleague recommended them, and our first calls confirmed they understood what we needed.

How clearly did the company understand your requirements and business goals?

Well. There were a couple of points we had to clarify early on, but after that they were spot on.

How was your overall experience with their communication and project management?

Good. Weekly calls, regular updates and a shared board meant we always knew where things stood.

Did the company deliver the project on time and within your expected budget?

Mostly. One milestone slipped by about a week, but the final delivery was on schedule and the budget held.

What tangible results or business impact have you seen since the project was completed?

Our team saves several hours a week, and we have had very few issues since launch.

What did you like most about working with this company?

How easy they were to work with. They were responsive, honest and genuinely interested in our success.

Would you recommend this company to others, and would you work with them again?

Yes, I would recommend them and we plan to work with them again.

Would happily work with them again

Rohan Bose / Senior Engineering Manager | Mar 15, 2026

We were happy with the final result. They were upfront about what was realistic within our budget, which helped us prioritise the right features. When we changed our minds on a couple of features halfway through, they handled it without fuss and were clear about the impact on cost and timeline. They took the time to understand our business before suggesting anything, which we appreciated after previous agencies jumped straight into building.

The Mobile App Development work has already made a noticeable difference — tasks that used to take hours now take minutes. Their team changed one developer midway, which slowed things down for a couple of weeks.

We would definitely work with them again.

Project summary

We hired Mumble to build iOS and Android apps for our customers, including booking, payments and push notifications. They also took care of integrations with a couple of third-party tools we already used. We worked together for around 7 months.

Overall Rating 4.0
Quality 4.0
Schedule 3.5
Project Cost 4.5
Willing To Refer 5.0

Project Type:: Mobile App Development
Project Cost:: $50,000 to $149,999
Project Duration:: Jun 2025 - Jan 2026
Business Type:: Nonprofit & NGO
Location:: Mumbai, India

Questions & Answers

Please describe your company, your role, and the industry you operate in.

We're a mid-sized Nonprofit & NGO company based in Mumbai, India. I'm the Senior Engineering Manager and I oversaw the project from start to finish.

What specific problem or business challenge led you to hire this company?

Our team was spending too much time on manual work. The goal was to build iOS and Android apps for our customers, including booking, payments and push notifications so they could focus on customers.

What services did the company provide for your project?

Mobile App Development, including planning, development, testing and launch support.