Best IoT App Development Companies

Infinum vs Intellectsoft: full comparison for 2026

Quick verdict

Infinum (4.0/5) edges ahead of Intellectsoft (3.7/5) overall. Infinum is the better choice for appliance makers consolidating several device apps. Intellectsoft is the stronger option for enterprise app modernisation with some IoT. The right choice depends on your project size, budget, and required tech stack.

Infinum vs Intellectsoft: head-to-head summary

Criterion Infinum Intellectsoft
Founded 2005 2007
HQ Zagreb, Croatia (London office) New York, United States
Team size 350–450 150-300
Rating 4.0 / 5 3.7 / 5
Primary differentiator Product design agency with a shipped multi-appliance IoT app for a global brand General digital agency that adds IoT integration to broader app projects
Pricing model Time and materials, fixed price Time and materials, fixed price
Min. engagement Not published Not published
Primary tech stack Swift, Kotlin, Flutter Swift, Kotlin, React
Industries served Consumer electronics, Smart home, Industrial manufacturing, Fintech Construction, Healthcare, Retail, Fintech

Infinum vs Intellectsoft: overview

Infinum

Infinum was registered in Zagreb in May 2005 and reported more than 370 people in 2025. Its best-known IoT project is HomeID for Versuni, the Philips appliance maker, which replaced several separate appliance apps with one device companion app and community hub. A Clutch review also describes IoT development and DevOps for a machinery manufacturer on Azure. Infinum is an app and product agency first, with strong design, and does not build hardware.

Intellectsoft

Intellectsoft was founded in 2007 and most directories list New York as its headquarters, with offices in the UK, Norway, Ukraine and Latin America. Its team is estimated at 150 to 300 people. IoT is one of five labs the company advertises, and client reviews mention IoT integration within full-stack projects. It is a general digital agency first, so IoT depth is lighter than at the specialists above it.

Services and capabilities: Infinum vs Intellectsoft

Capability Infinum Intellectsoft
Mobile companion apps ✓ ✓
Web dashboards and portals ✓ ✓
IoT cloud back end ✓ ✓
Embedded firmware ✗ ✗
Hardware design ✗ ✗
Edge AI ✗ ✗
Fixed-price projects ✓ ✓
Dedicated team model ✓ ✓

Tech stack comparison: Infinum vs Intellectsoft

Framework / platform Infinum Intellectsoft
AWS ✓ ✓
Azure ✓ N/A
Embedded Linux N/A N/A
BLE N/A N/A
MQTT N/A N/A
Swift ✓ ✓
Kotlin ✓ ✓
Flutter ✓ N/A
React Native N/A N/A

Pricing comparison: Infinum vs Intellectsoft

Criterion Infinum Intellectsoft
Minimum engagement Not published Not published
Engagement models Fixed project, Time and materials, Dedicated team Fixed project, Time and materials, Dedicated team
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Infinum vs Intellectsoft

Dimension Infinum Intellectsoft
Best company size Startup to mid-market Startup to mid-market
Best industries Consumer electronics, Smart home, Industrial manufacturing Construction, Healthcare, Retail
Best use cases Merging several appliance apps into one connected-home app., Building the community and content features around a device app. Adding sensor data to a construction or field-service app., Building a customer portal that shows connected equipment status.
Typical project type Fixed project Fixed project

Infinum vs Intellectsoft: pros and cons

Infinum
+ Shipped a large consumer appliance IoT app for Versuni (Philips)
+ Strong product design and UX process
+ EU-based with a mature engineering culture
- No firmware or hardware practice
- IoT is one category within a general digital product agency
- Agency rates sit above smaller Eastern European vendors
Intellectsoft
+ Experienced in enterprise mobile and web apps
+ Can bundle IoT integration into a wider digital project
+ Offices across several regions
- IoT is a secondary capability
- Headquarters and founder details differ between sources
- No device engineering

Who should choose Infinum?

A typical fit: merging several appliance apps into one connected-home app.

Product design agency with a shipped multi-appliance IoT app for a global brand. Minimum engagement is not publicly disclosed. Works best with clients in Consumer electronics, Smart home, Industrial manufacturing, Fintech.

Who should choose Intellectsoft?

A typical fit: adding sensor data to a construction or field-service app.

General digital agency that adds IoT integration to broader app projects. Minimum engagement is not publicly disclosed. Works best with clients in Construction, Healthcare, Retail, Fintech.

Decision matrix: Infinum vs Intellectsoft

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Infinum
You need a large dedicated team for an ongoing programme Infinum
Your budget is at the lower end Compare: Infinum (Not published) vs Intellectsoft (Not published)
You need specialist depth in a specific vertical Infinum
You need staff augmentation or team extension Neither; consider alternatives that offer staff aug
You need consulting before committing to a build Intellectsoft

Use case fit: Infinum vs Intellectsoft

Use case Infinum fit Intellectsoft fit Winner
Merging several appliance apps into one connected-home app. Strong Limited Infinum
Building the community and content features around a device app. Strong Strong Both equally
Adding sensor data to a construction or field-service app. Limited Strong Intellectsoft
Building a customer portal that shows connected equipment status. Strong Strong Both equally
Fixed-price MVP app Limited Limited Both equally
Long-term dedicated team Limited Limited Both equally

Verdict: Infinum vs Intellectsoft

Infinum (4.0/5) is the stronger overall choice for most IoT App Development projects. Product design agency with a shipped multi-appliance IoT app for a global brand.

Intellectsoft (3.7/5) is worth a look if you need building a customer portal that shows connected equipment status. If your situation matches that, Intellectsoft is a competitive option.

Related comparisons

Infinum vs Intellectsoft FAQ

Is Infinum better than Intellectsoft?

Infinum (4.0/5) scores higher overall, but "better" depends on your use case. Infinum's strongest advantage: shipped a large consumer appliance IoT app for Versuni (Philips). Intellectsoft's strongest advantage: experienced in enterprise mobile and web apps.

How do Infinum and Intellectsoft differ in pricing?

Infinum uses time and materials, fixed price pricing. Intellectsoft uses time and materials, fixed price pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Infinum or Intellectsoft?

Infinum is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each company before shortlisting.

What are the main differences between Infinum and Intellectsoft?

Infinum's primary differentiator is: product design agency with a shipped multi-appliance IoT app for a global brand. Intellectsoft's primary differentiator is: general digital agency that adds IoT integration to broader app projects. They also differ in team size (350–450 vs 150-300), minimum engagement (Not published vs Not published), and primary industries served (Consumer electronics, Smart home vs Construction, Healthcare).

Verify all details directly with each company before making a decision.