Best IoT App Development Companies

Sigma Software vs ScienceSoft: full comparison for 2026

Quick verdict

Sigma Software (4.0/5) edges ahead of ScienceSoft (3.8/5) overall. Sigma Software is the better choice for nordic buyers wanting a large Swedish-owned partner. ScienceSoft is the stronger option for companies wanting IoT from an established IT generalist. The right choice depends on your project size, budget, and required tech stack.

Sigma Software vs ScienceSoft: head-to-head summary

Criterion Sigma Software ScienceSoft
Founded 2002 1989
HQ Stockholm, Sweden McKinney, Texas, USA
Team size 1,001-5,000 750+
Rating 4.0 / 5 3.8 / 5
Primary differentiator Swedish group ownership with large Eastern European engineering capacity Three decades of IT consulting with an IoT line inside a wide service catalogue
Pricing model Time and materials, dedicated team Fixed price, time and materials
Min. engagement Not published Not published
Primary tech stack Embedded C/C++, Azure IoT, AWS Azure IoT, AWS IoT, .NET
Industries served Automotive, Telecom, Healthcare, Energy Healthcare, Industrial manufacturing, Retail, Logistics

Sigma Software vs ScienceSoft: overview

Sigma Software

Sigma Software dates to 2002 and is part of Sweden's Sigma group, with its legal base in Stockholm and most engineers in Ukraine and Poland. Headcount is in the 1,001 to 5,000 range. Its embedded and IoT unit sits beside automotive, telecom and gaming practices. The Scandinavian ownership appeals to Nordic buyers, while IoT app projects are a modest share of a broad portfolio.

ScienceSoft

ScienceSoft dates to 1989 and is headquartered in McKinney, Texas, with about 750 employees. It publishes a large amount of IoT material and offers IoT consulting, app development and cloud back ends as one of many service lines. Its broad experience and ISO certifications suit buyers who want a stable generalist. Specialist device engineering is not its strength.

Services and capabilities: Sigma Software vs ScienceSoft

Capability Sigma Software ScienceSoft
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: Sigma Software vs ScienceSoft

Framework / platform Sigma Software ScienceSoft
AWS ✓ ✓
Azure ✓ ✓
Embedded Linux N/A N/A
BLE N/A N/A
MQTT N/A N/A
Swift ✓ N/A
Kotlin ✓ N/A
Flutter N/A N/A
React Native N/A ✓

Pricing comparison: Sigma Software vs ScienceSoft

Criterion Sigma Software ScienceSoft
Minimum engagement Not published Not published
Engagement models Dedicated team, Time and materials, Team extension Fixed project, Time and materials, Dedicated team
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Sigma Software vs ScienceSoft

Dimension Sigma Software ScienceSoft
Best company size Startup to mid-market Startup to mid-market
Best industries Automotive, Telecom, Healthcare Healthcare, Industrial manufacturing, Retail
Best use cases Adding a dedicated team to a Nordic manufacturer's connected product programme., Building telemetry dashboards for telecom or energy equipment. Building a remote patient monitoring app on commercial devices., Adding IoT data to an existing enterprise app the vendor already supports.
Typical project type Dedicated team Fixed project

Sigma Software vs ScienceSoft: pros and cons

Sigma Software
+ Can staff large programmes quickly
+ Swedish ownership simplifies contracting for Nordic companies
+ Embedded practice gives it device-side skills many generalists lack
- IoT apps are a small part of a very broad service list
- Large-company overhead for small projects
- Less hardware design than the specialists ranked higher
ScienceSoft
+ Long track record and stable company history
+ ISO 9001 and ISO 27001 certified (per company website; independently unverifiable)
+ Can handle IoT alongside other enterprise IT needs
- Heavy content marketing overstates how specialised its IoT practice is
- No hardware design
- IoT is one of dozens of service lines

Who should choose Sigma Software?

A typical fit: adding a dedicated team to a Nordic manufacturer's connected product programme.

Swedish group ownership with large Eastern European engineering capacity. Minimum engagement is not publicly disclosed. Works best with clients in Automotive, Telecom, Healthcare, Energy.

Who should choose ScienceSoft?

A typical fit: building a remote patient monitoring app on commercial devices.

Three decades of IT consulting with an IoT line inside a wide service catalogue. Minimum engagement is not publicly disclosed. Works best with clients in Healthcare, Industrial manufacturing, Retail, Logistics.

Decision matrix: Sigma Software vs ScienceSoft

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

Use case fit: Sigma Software vs ScienceSoft

Use case Sigma Software fit ScienceSoft fit Winner
Adding a dedicated team to a Nordic manufacturer's connected product programme. Strong Strong Both equally
Building telemetry dashboards for telecom or energy equipment. Strong Strong Both equally
Building a remote patient monitoring app on commercial devices. Strong Strong Both equally
Adding IoT data to an existing enterprise app the vendor already supports. Strong Strong Both equally
Fixed-price MVP app Limited Limited Both equally
Long-term dedicated team Limited Limited Both equally

Verdict: Sigma Software vs ScienceSoft

Sigma Software (4.0/5) is the stronger overall choice for most IoT App Development projects. Swedish group ownership with large Eastern European engineering capacity.

ScienceSoft (3.8/5) is worth a look if you need adding IoT data to an existing enterprise app the vendor already supports. If your situation matches that, ScienceSoft is a competitive option.

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Sigma Software vs ScienceSoft FAQ

Is Sigma Software better than ScienceSoft?

Sigma Software (4.0/5) scores higher overall, but "better" depends on your use case. Sigma Software's strongest advantage: can staff large programmes quickly. ScienceSoft's strongest advantage: long track record and stable company history.

How do Sigma Software and ScienceSoft differ in pricing?

Sigma Software uses time and materials, dedicated team pricing. ScienceSoft uses fixed price, time and materials pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Sigma Software or ScienceSoft?

Sigma Software 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 Sigma Software and ScienceSoft?

Sigma Software's primary differentiator is: swedish group ownership with large Eastern European engineering capacity. ScienceSoft's primary differentiator is: three decades of IT consulting with an IoT line inside a wide service catalogue. They also differ in team size (1,001-5,000 vs 750+), minimum engagement (Not published vs Not published), and primary industries served (Automotive, Telecom vs Healthcare, Industrial manufacturing).

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