Top 10+ Cross Platform App Development Companies in St. Louis | Cross Platform App Developers St. Louis 2026
Last Updated 05th September 2026 | Category: Top App Development FirmsThe List of Top 10+ Cross Platform App Development Companies in St. Louis | Top Cross Platform App Developers St. Louis September 2026
1. Hyperlink InfoSystem
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Details
| Founded: | 2011 |
|---|---|
| Hourly Rates: | < $25 |
| Employees: | 1000+ |
| Avg. Project Cost: | $10,000+ |
| Ratings: |
5.0
497 Reviews
|
Since 2011, Hyperlink InfoSystem has operated as a technology services provider. Hyperlink InfoSystem focuses on Mobile App Development. Hyperlink InfoSystem employs 1000+ people. Clients can expect pricing around < $25/hr, with projects averaging about $100,000. Overall, Hyperlink InfoSystem is one of the options worth shortlisting for a technology project.
Details
| Founded: | 2011 |
|---|---|
| Hourly Rates: | $25 - $49 |
| Employees: | 500 - 999 |
| Avg. Project Cost: | $50,000+ |
| Ratings: |
4.7
8 Reviews
|
Innovecs has been in business since 2011, delivering technology projects for clients. Their core services include Web Development and Mobile App Development. Innovecs employs 500 - 999 people. Clients can expect pricing around $25 - $49/hr, with projects averaging about $100,000. This profile is a starting point — reach out to Innovecs directly to discuss project specifics.
Details
| Founded: | 2007 |
|---|---|
| Hourly Rates: | $25 - $49 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $2,500,000+ |
| Ratings: |
4.7
9 Reviews
|
Hybrid IT Services is a software development company that turns ideas into working products. Hybrid IT Services focuses on IT Consulting and Mobile App Development. Hybrid IT Services employs 10 - 49 people. Typical hourly rates run around $25 - $49/hr, with an average project cost near $2,500,000. Overall, Hybrid IT Services is one of the options worth shortlisting for a technology project.
Details
| Founded: | 2008 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $25,000+ |
| Ratings: |
4.4
8 Reviews
|
Peaktwo is a technology company founded in 2008. Their core services include Custom Software Development. With 2 - 9 people on staff, Peaktwo can take on projects of varying size. Typical hourly rates run around $100 - $149/hr, with an average project cost near $50,000. Overall, Peaktwo is one of the options worth shortlisting for a technology project.
Details
| Founded: | 2012 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $10,000+ |
| Ratings: | No reviews yet |
UP Creative, Inc. has been in business since 2012, delivering technology projects for clients. UP Creative, Inc. focuses on Mobile App Development. Its team includes 2 - 9 specialists working across design, development, and delivery. Clients can expect pricing around $100 - $149/hr, with projects averaging about $5,000,000. These details offer a useful starting point when evaluating UP Creative, Inc.
Details
| Founded: | 1970 |
|---|---|
| Hourly Rates: | $50 - $99 |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $5,000,000+ |
| Ratings: | No reviews yet |
Advanced Decisions is a software development company that turns ideas into working products. Advanced Decisions builds web and mobile products, plus custom software for clients with specific needs. With 2 - 9 people on staff, Advanced Decisions can take on projects of varying size. Clients can expect pricing around $50 - $99/hr, with projects averaging about $2,500,000. This gives a quick snapshot of what to expect when working with Advanced Decisions.
Details
| Founded: | 2017 |
|---|---|
| Hourly Rates: | $50 - $99 |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $10,000+ |
| Ratings: |
4.2
6 Reviews
|
Wilson Develops LLC works with clients to plan, build, and ship digital products. Wilson Develops LLC focuses on Web Development. Its team includes 2 - 9 specialists working across design, development, and delivery. Typical hourly rates run around $50 - $99/hr, with an average project cost near $2,500,000. Overall, Wilson Develops LLC is one of the options worth shortlisting for a technology project.
Details
| Founded: | 2013 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $5,000,000+ |
| Ratings: |
4.1
8 Reviews
|
Differential works with clients to plan, build, and ship digital products. The company's main offerings are Mobile App Development. The company operates with a team of 10 - 49 professionals. Typical hourly rates run around $100 - $149/hr, with an average project cost near $100,000. This profile is a starting point — reach out to Differential directly to discuss project specifics.
Details
| Founded: | 2015 |
|---|---|
| Hourly Rates: | $50 - $99 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $2,500,000+ |
| Ratings: |
4.4
6 Reviews
|
Heady is a software development company that turns ideas into working products. Heady focuses on Web Development and Mobile App Development. The company operates with a team of 10 - 49 professionals. Typical hourly rates run around $50 - $99/hr, with an average project cost near $25,000. This profile is a starting point — reach out to Heady directly to discuss project specifics.
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Most App Development teams in St Louis that have been doing this for a while have a playbook for overseas clients: structured sprint check-ins, shared dashboards you can log into any time, and written updates that don't rely on everyone being online at once. The ones that do this well treat documentation as part of the deliverable, not an afterthought. Before committing, it's worth asking a App Development firm in St Louis to show you what a typical week of client communication actually looks like.
It does, in fairly practical ways — communication style, how formally decisions get escalated, and the pace at which changes get approved all vary by region, and St Louis has its own norms around each. None of this is a problem as long as expectations are set early; the App Development engagements that go smoothly in St Louis are usually the ones where the client spent a little time upfront understanding how the team likes to work, not just what they can build.
There's no single number here — a App Development company in St Louis might quote a few thousand dollars for a narrow, well-defined build and a much larger figure for a full product with integrations and ongoing support. The only way to get a real answer for your situation is to send the same brief to a handful of App Development firms in St Louis and compare the itemized breakdowns, not just the bottom-line total.
The line items that push a App Development project in St Louis over budget are rarely the obvious ones — it's usually the number of third-party integrations, how deep the testing needs to go, and what happens after launch in terms of support and maintenance. Compliance and security work, if your project needs it, adds a real chunk on top. A proper discovery conversation with your App Development partner in St Louis should surface most of this before you sign anything.
The surprises usually aren't from the App Development company's own fees — they're things like third-party tool licenses, cloud hosting once the project scales past the free tier, app store fees, and whatever maintenance retainer kicks in after launch. A straight-talking App Development firm in St Louis will list these out unprompted; if a proposal looks suspiciously clean, ask directly what isn't included in the number you're seeing.
Listen to what they ask about before they start talking solutions. A App Development company in St Louis genuinely focused on outcomes will want to understand your users, your revenue model, and your competitors before proposing anything technical. One that jumps straight to a timeline and a quote without asking those questions is optimizing for winning the deal, not for whether the thing they build actually works for your business.
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