Best IoT App Development Companies

Lemberg Solutions vs DAC.digital: full comparison for 2026

Quick verdict

Lemberg Solutions (4.8/5) edges ahead of DAC.digital (4.2/5) overall. Lemberg Solutions is the better choice for connected products needing device, cloud and app from one vendor. DAC.digital is the stronger option for EU industrial IoT with edge computer vision. The right choice depends on your project size, budget, and required tech stack.

Lemberg Solutions vs DAC.digital: head-to-head summary

Criterion Lemberg Solutions DAC.digital
Founded 2007 2009
HQ Lviv, Ukraine (offices in Hamburg, Germany; London, UK; Kraków, Poland) Gdańsk, Poland
Team size 200+ 50–249
Rating 4.8 / 5 4.2 / 5
Primary differentiator Electrical engineering, firmware, cloud and mobile apps delivered by one team with its own hardware lab Embedded and computer vision skills paired with back-end platform work in Poland
Pricing model Fixed price, time and materials, dedicated team Time and materials, dedicated team
Min. engagement Not published Not published
Primary tech stack AWS, Azure, Google Cloud Embedded C/C++, Python, OpenCV
Industries served Healthcare, Automotive, Energy, Transportation and logistics, Agritech, Consumer electronics, Industrial IoT Industrial manufacturing, Energy, Healthcare, Logistics

Lemberg Solutions vs DAC.digital: overview

Lemberg Solutions

An IoT app is only as reliable as the firmware and cloud it talks to, and Lemberg Solutions is one of the few vendors on this list that builds all three in-house. Founded in 2007, the company has 200+ employees and offices in Lviv, Hamburg, London and Kraków. Its IoT work covers consulting, cloud architecture with device management and OTA updates, iOS, Android and web apps, embedded software, PCB design and prototyping, all backed by an in-house lab. Named clients include Astronics, Caltech, Speede, Ferno, Cellink and Bosch Rexroth, and the published case studies include telemetry for Voltfang's energy storage systems and control software for a 360 kW EV charging station.

DAC.digital

DAC.digital has been based in Gdańsk since 2009, and directories put its team somewhere between 50 and 250 people. Its profiles describe work across embedded systems, IoT, computer vision and the back-end platforms that collect device data. For IoT app buyers the appeal is the mix of edge processing and cloud work in one EU-based team. Consumer mobile design is less visible in its public portfolio than industrial and data work.

Services and capabilities: Lemberg Solutions vs DAC.digital

Capability Lemberg Solutions DAC.digital
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: Lemberg Solutions vs DAC.digital

Framework / platform Lemberg Solutions DAC.digital
AWS ✓ ✓
Azure ✓ ✓
Embedded Linux ✓ N/A
BLE N/A N/A
MQTT N/A N/A
Swift N/A N/A
Kotlin N/A N/A
Flutter N/A N/A
React Native N/A N/A

Pricing comparison: Lemberg Solutions vs DAC.digital

Criterion Lemberg Solutions DAC.digital
Minimum engagement Not published Not published
Engagement models Fixed project, Dedicated team, Team extension, Time and materials Dedicated team, Time and materials, Team extension
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Lemberg Solutions vs DAC.digital

Dimension Lemberg Solutions DAC.digital
Best company size Startup to mid-market Startup to mid-market
Best industries Healthcare, Automotive, Energy Industrial manufacturing, Energy, Healthcare
Best use cases Building an iOS and Android app together with the firmware and cloud for a new connected device., Adding remote monitoring, OTA updates and telemetry to an existing industrial or energy product. Adding camera-based defect detection at the edge with a monitoring dashboard., Building a data platform for industrial sensor fleets.
Typical project type Fixed project Dedicated team

Lemberg Solutions vs DAC.digital: pros and cons

Lemberg Solutions
+ One team owns the firmware, cloud back end and companion app, so protocol changes on the device side do not break the app silently
+ ISO 27001 and ISO 9001 certified, with ISO 13485 listed for medical device work
+ Partnerships with semiconductor vendors including NXP, Microchip and STMicroelectronics help with chip selection and board support
+ Edge AI and computer vision experience, from sensor integration to on-device inference
+ All intellectual property transfers to the client
+ An in-house lab lets the team test apps against real prototypes instead of simulators
- Mass production is not handled in-house, so you need a separate contract manufacturer for volume builds
- The company does not obtain regulatory certification on the client's behalf; it supplies documentation and engineering support for approvals
- A team built for hardware-to-cloud projects is more than you need for a simple app on top of an existing, stable device API
DAC.digital
+ Edge computer vision experience suits camera-based monitoring products
+ Poland-based delivery inside the EU
+ Covers device firmware and the cloud platform behind the app
- Consumer-facing mobile app work is not prominent in its portfolio
- Headcount estimates span a wide range across directories
- Smaller brand recognition outside Poland and Scandinavia

Who should choose Lemberg Solutions?

A typical fit: building an iOS and Android app together with the firmware and cloud for a new connected device.

Electrical engineering, firmware, cloud and mobile apps delivered by one team with its own hardware lab. Minimum engagement is not publicly disclosed. Works best with clients in Healthcare, Automotive, Energy, Transportation and logistics, Agritech, Consumer electronics, Industrial IoT.

Who should choose DAC.digital?

A typical fit: adding camera-based defect detection at the edge with a monitoring dashboard.

Embedded and computer vision skills paired with back-end platform work in Poland. Minimum engagement is not publicly disclosed. Works best with clients in Industrial manufacturing, Energy, Healthcare, Logistics.

Decision matrix: Lemberg Solutions vs DAC.digital

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

Use case fit: Lemberg Solutions vs DAC.digital

Use case Lemberg Solutions fit DAC.digital fit Winner
Building an iOS and Android app together with the firmware and cloud for a new connected device. Strong Strong Both equally
Adding remote monitoring, OTA updates and telemetry to an existing industrial or energy product. Strong Strong Both equally
Adding camera-based defect detection at the edge with a monitoring dashboard. Strong Strong Both equally
Building a data platform for industrial sensor fleets. Strong Strong Both equally
Fixed-price MVP app Limited Limited Both equally
Long-term dedicated team Limited Limited Both equally

Verdict: Lemberg Solutions vs DAC.digital

Lemberg Solutions (4.8/5) is the stronger overall choice for most IoT App Development projects. Electrical engineering, firmware, cloud and mobile apps delivered by one team with its own hardware lab.

DAC.digital (4.2/5) is worth a look if you need building a data platform for industrial sensor fleets. If your situation matches that, DAC.digital is a competitive option.

Related comparisons

Lemberg Solutions vs DAC.digital FAQ

Is Lemberg Solutions better than DAC.digital?

Lemberg Solutions (4.8/5) scores higher overall, but "better" depends on your use case. Lemberg Solutions's strongest advantage: one team owns the firmware, cloud back end and companion app, so protocol changes on the device side do not break the app silently. DAC.digital's strongest advantage: edge computer vision experience suits camera-based monitoring products.

How do Lemberg Solutions and DAC.digital differ in pricing?

Lemberg Solutions uses fixed price, time and materials, dedicated team pricing. DAC.digital uses time and 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: Lemberg Solutions or DAC.digital?

DAC.digital 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 Lemberg Solutions and DAC.digital?

Lemberg Solutions's primary differentiator is: electrical engineering, firmware, cloud and mobile apps delivered by one team with its own hardware lab. DAC.digital's primary differentiator is: embedded and computer vision skills paired with back-end platform work in Poland. They also differ in team size (200+ vs 50–249), minimum engagement (Not published vs Not published), and primary industries served (Healthcare, Automotive vs Industrial manufacturing, Energy).

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