Best Firmware Development Service Providers

rinf.tech vs Spyrosoft: full comparison for 2026

Quick verdict

rinf.tech (3.9/5) edges ahead of Spyrosoft (3.9/5) overall. rinf.tech is the better choice for EU buyers wanting nearshore embedded capacity. Spyrosoft is the stronger option for EU automotive and EV-charging embedded teams. The right choice depends on your project size, budget, and required tech stack.

rinf.tech vs Spyrosoft: head-to-head summary

Criterion rinf.tech Spyrosoft
Founded 2006 2016
HQ Bucharest, Romania Wrocław, Poland
Team size 201–500 1,500+
Rating 3.9 / 5 3.9 / 5
Primary differentiator EU-based embedded and automotive engineering with multicore and NPU firmware experience Polish delivery for embedded HMI, EV charging and embedded security testing
Pricing model Time & materials, dedicated team Time & materials, dedicated team
Min. engagement Not disclosed Not disclosed
Primary tech stack C, C++, Embedded Linux C, C++, Qt
Industries served Automotive, Semiconductors, Telecom & broadcast, Industrial IoT Automotive, Energy & EV charging, Aerospace & defence

rinf.tech vs Spyrosoft: overview

rinf.tech

rinf.tech was founded in Bucharest in 2006 and describes itself as a 600-plus person organisation, with delivery centres in Bucharest, Timișoara, Kyiv and Sofia and offices in Germany, France and the US; a delivery office in India opened in 2025. R&D and embedded systems is one of several technical divisions, alongside enterprise applications, robotics and automotive. Job listings point to firmware in multicore environments and NPU accelerator work. For EU buyers it offers nearshore embedded capacity under EU contracts.

Spyrosoft

Spyrosoft was established in Wrocław in 2016 and grew quickly to more than 1,500 staff and roughly $122 million in 2024 revenue across about 15 offices. Its embedded unit works on HMI software, automotive systems, EV-charging firmware testing and embedded security, including secure boot and OTA updates. It also has a defence and cybersecurity line. The firm is a good fit for EU buyers who need Polish delivery and a mix of embedded and application engineers.

Services and capabilities: rinf.tech vs Spyrosoft

Capability rinf.tech Spyrosoft
Bare-metal & RTOS firmware ✓ ✗
Embedded Linux & BSP ✓ ✓
Electronics & PCB design ✗ ✗
Wireless & IoT connectivity ✗ ✗
Secure boot & OTA ✗ ✓
FPGA development ✗ ✗
Firmware testing & HIL ✗ ✓
Dedicated team model ✓ ✓

Tech stack comparison: rinf.tech vs Spyrosoft

Framework / platform rinf.tech Spyrosoft
FreeRTOS ✓ N/A
Zephyr ✓ N/A
Embedded Linux ✓ ✓
Yocto N/A N/A
AUTOSAR ✓ ✓
STM32 N/A N/A
Nordic N/A N/A
NXP N/A N/A
FPGA N/A N/A

Pricing comparison: rinf.tech vs Spyrosoft

Criterion rinf.tech Spyrosoft
Minimum engagement Not disclosed Not disclosed
Engagement models Dedicated team, Time & materials Dedicated team, Time & materials
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: rinf.tech vs Spyrosoft

Dimension rinf.tech Spyrosoft
Best company size Startup to mid-market Startup to mid-market
Best industries Automotive, Semiconductors, Telecom & broadcast Automotive, Energy & EV charging, Aerospace & defence
Best use cases Adding embedded engineers to a European semiconductor team, Developing firmware for an automotive domain controller Building a Qt-based HMI for an EV charger, Running a security assessment of a device's firmware update path
Typical project type Dedicated team Dedicated team

rinf.tech vs Spyrosoft: pros and cons

rinf.tech
+ EU entity and Romanian delivery suit buyers with data or contract residency requirements
+ Embedded work spans multicore firmware and AI accelerators
+ Rates below Western European equivalents
- Embedded is one division of a broader IT services company
- Fewer public firmware case studies than the specialists on this list
- No hardware design
Spyrosoft
+ Embedded HMI and Qt experience for automotive and industrial displays
+ Embedded penetration testing and secure-boot work
+ EU contracts and Polish engineering rates
- Rapid growth since 2016 means team seniority can vary
- Embedded is one unit within a broad software company

Who should choose rinf.tech?

A typical fit: adding embedded engineers to a European semiconductor team.

EU-based embedded and automotive engineering with multicore and NPU firmware experience. Minimum engagement is not publicly disclosed. Works best with clients in Automotive, Semiconductors, Telecom & broadcast, Industrial IoT.

Who should choose Spyrosoft?

A typical fit: building a Qt-based HMI for an EV charger.

Polish delivery for embedded HMI, EV charging and embedded security testing. Minimum engagement is not publicly disclosed. Works best with clients in Automotive, Energy & EV charging, Aerospace & defence.

Decision matrix: rinf.tech vs Spyrosoft

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Both offer fixed-price models
You need a large dedicated team for an ongoing programme rinf.tech
Your budget is at the lower end Compare: rinf.tech (Not disclosed) vs Spyrosoft (Not disclosed)
You need specialist depth in a specific vertical rinf.tech
You need engineers to extend your own firmware team rinf.tech
You need consulting before committing to a build Both may offer discovery engagements

Use case fit: rinf.tech vs Spyrosoft

Use case rinf.tech fit Spyrosoft fit Winner
Adding embedded engineers to a European semiconductor team Strong Limited rinf.tech
Developing firmware for an automotive domain controller Strong Limited rinf.tech
Building a Qt-based HMI for an EV charger Limited Strong Spyrosoft
Running a security assessment of a device's firmware update path Limited Strong Spyrosoft
Fixed-price firmware build Limited Limited Neither stands out
Extending an in-house firmware team Strong Strong Both

Verdict: rinf.tech vs Spyrosoft

rinf.tech (3.9/5) is the stronger overall choice for most Firmware Development projects. EU-based embedded and automotive engineering with multicore and NPU firmware experience.

Spyrosoft (3.9/5) is worth a look if you need running a security assessment of a device's firmware update path. If your situation matches that, Spyrosoft is a competitive option.

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rinf.tech vs Spyrosoft FAQ

Is rinf.tech better than Spyrosoft?

rinf.tech (3.9/5) scores higher overall, but "better" depends on your use case. rinf.tech's strongest advantage: EU entity and Romanian delivery suit buyers with data or contract residency requirements. Spyrosoft's strongest advantage: embedded HMI and Qt experience for automotive and industrial displays.

How do rinf.tech and Spyrosoft differ in pricing?

rinf.tech uses time & materials, dedicated team pricing. Spyrosoft uses time & materials, dedicated team pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: rinf.tech or Spyrosoft?

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

What are the main differences between rinf.tech and Spyrosoft?

rinf.tech's primary differentiator is: EU-based embedded and automotive engineering with multicore and NPU firmware experience. Spyrosoft's primary differentiator is: polish delivery for embedded HMI, EV charging and embedded security testing. They also differ in team size (201–500 vs 1,500+), minimum engagement (Not disclosed vs Not disclosed), and primary industries served (Automotive, Semiconductors vs Automotive, Energy & EV charging).

Verify all details directly with each service provider before making a decision.