Bluefruit Software vs Delve: full comparison for 2026
Quick verdict
Bluefruit Software (4.1/5) edges ahead of Delve (4.0/5) overall. Bluefruit Software is the better choice for UK device makers outsourcing firmware and testing. Delve is the stronger option for user research and industrial design for medtech. The right choice depends on your project size, budget, and required tech stack.
Bluefruit Software vs Delve: head-to-head summary
| Criterion | Bluefruit Software | Delve |
|---|---|---|
| Founded | 2000 | 2021 |
| HQ | Redruth, Cornwall, UK | Madison, WI, USA |
| Team size | 70–90 | 200–500 |
| Rating | 4.1 / 5 | 4.0 / 5 |
| Primary differentiator | Small, employee-owned embedded team with medical devices as its largest market and a strong testing culture | Design research and industrial design depth from two long-established US studios |
| Pricing model | Time and materials, fixed project | Time and materials, phased fixed project |
| Min. engagement | Not disclosed | Not disclosed |
| Primary tech stack | Embedded C/C++, RTOS, Test automation | SolidWorks, Usability engineering, Rapid prototyping |
| Industries served | Diagnostics & lab devices, Surgical & therapeutic devices, Industrial | Wearables & remote monitoring, Surgical & therapeutic devices, Consumer products, Industrial |
Bluefruit Software vs Delve: overview
Bluefruit Software
Bluefruit Software has written embedded software from Redruth, Cornwall, since 2000 and is employee-owned. A Plymouth University partnership case study reports that medical devices grew from 10% to 60% of its work. It handles embedded software development, testing, some hardware development and edge AI integration, plus support for regulatory compliance and quality assurance. Its team is roughly 70 to 90 people.
Delve
Delve is a product design and innovation firm headquartered in Madison, Wisconsin, with studios in Boston, Philadelphia and San Francisco. Trinity Hunt Partners bought it in 2021 and merged it with Philadelphia's Bresslergroup (founded 1970), and the combined business now operates under the Delve name and later acquired digital design firm altr. Its team is estimated at 200 to 500 people. Delve says it designed and engineered the Dexcom G6 continuous glucose monitor (per company website; independently unverifiable), and medical devices are a large share of its work alongside consumer and industrial products.
Services and capabilities: Bluefruit Software vs Delve
| Capability | Bluefruit Software | Delve |
|---|---|---|
| Electronics & PCB design | ✗ | ✓ |
| Firmware & embedded software | ✓ | ✗ |
| SaMD & companion apps | ✗ | ✗ |
| Connected devices & IoT | ✗ | ✗ |
| Industrial design & human factors | ✗ | ✓ |
| Mechanical engineering | ✗ | ✓ |
| Device cybersecurity | ✗ | ✗ |
| Regulatory & QMS support | ✓ | ✗ |
| Manufacturing & scale-up | ✗ | ✗ |
Tech stack comparison: Bluefruit Software vs Delve
| Framework / platform | Bluefruit Software | Delve |
|---|---|---|
| Embedded C/C++ | ✓ | ✓ |
| Embedded Linux | N/A | N/A |
| RTOS | ✓ | N/A |
| BLE | N/A | N/A |
| Cloud (AWS/Azure) | N/A | N/A |
| IEC 62304 | ✓ | N/A |
| ISO 14971 | N/A | N/A |
| ISO 13485 QMS | N/A | N/A |
| Qt | N/A | N/A |
Pricing comparison: Bluefruit Software vs Delve
| Criterion | Bluefruit Software | Delve |
|---|---|---|
| Minimum engagement | Not disclosed | Not disclosed |
| Engagement models | Fixed project, Time & materials | Consulting, Fixed project, Time & materials |
| Rate transparency | Not public | Not public |
| Price tier | Mid-market | Mid-market |
Target audience comparison: Bluefruit Software vs Delve
| Dimension | Bluefruit Software | Delve |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Diagnostics & lab devices, Surgical & therapeutic devices, Industrial | Wearables & remote monitoring, Surgical & therapeutic devices, Consumer products |
| Best use cases | Writing IEC 62304 firmware for a UK device startup, Independent verification of an existing device's embedded software | Industrial design and user research for a wearable, Human factors work on a home-use device |
| Typical project type | Fixed project | Consulting |
Bluefruit Software vs Delve: pros and cons
| Bluefruit Software | |
|---|---|
| + | Medical devices make up most of its work, so regulated firmware practice is routine |
| + | Strong emphasis on testing and test automation |
| + | Lower rates than Cambridge or London consultancies |
| + | Employee ownership |
| - | Limited hardware design compared with full product development firms |
| - | Small team; large multi-year programs may need extra partners |
| - | No industrial design, mechanical engineering or manufacturing |
| Delve | |
|---|---|
| + | Strong user research and industrial design, important for patient-worn devices |
| + | Multiple US studios |
| + | Public wearable CGM experience |
| + | Bresslergroup brings a long patent and design-award record |
| - | Private-equity owned since 2021 and built through mergers |
| - | Medical is a large share, but consumer and industrial work compete for attention |
| - | ISO 13485 certification was not confirmed in our research |
Who should choose Bluefruit Software?
A typical fit: writing IEC 62304 firmware for a UK device startup.
Small, employee-owned embedded team with medical devices as its largest market and a strong testing culture. Minimum engagement is not publicly disclosed. Works best with clients in Diagnostics & lab devices, Surgical & therapeutic devices, Industrial.
Who should choose Delve?
A typical fit: industrial design and user research for a wearable.
Design research and industrial design depth from two long-established US studios. Minimum engagement is not publicly disclosed. Works best with clients in Wearables & remote monitoring, Surgical & therapeutic devices, Consumer products, Industrial.
Decision matrix: Bluefruit Software vs Delve
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | Bluefruit Software |
| You need a large dedicated team for an ongoing programme | Check each company's engagement model |
| Your budget is at the lower end | Compare: Bluefruit Software (Not disclosed) vs Delve (Not disclosed) |
| You need specialist depth in a specific vertical | Delve |
| You need staff augmentation or team extension | Neither; consider alternatives that offer staff aug |
| You need consulting before committing to a build | Both may offer discovery engagements |
Use case fit: Bluefruit Software vs Delve
| Use case | Bluefruit Software fit | Delve fit | Winner |
|---|---|---|---|
| Writing IEC 62304 firmware for a UK device startup | Strong | Limited | Bluefruit Software |
| Independent verification of an existing device's embedded software | Strong | Limited | Bluefruit Software |
| Industrial design and user research for a wearable | Limited | Strong | Delve |
| Human factors work on a home-use device | Limited | Strong | Delve |
Verdict: Bluefruit Software vs Delve
Bluefruit Software (4.1/5) is the stronger overall choice for most Medical Device Development projects. Small, employee-owned embedded team with medical devices as its largest market and a strong testing culture.
Delve (4.0/5) is worth a look if you need human factors work on a home-use device. If your situation matches that, Delve is a competitive option.
Related comparisons
Bluefruit Software vs Delve FAQ
Is Bluefruit Software better than Delve?
Bluefruit Software (4.1/5) scores higher overall, but "better" depends on your use case. Bluefruit Software's strongest advantage: medical devices make up most of its work, so regulated firmware practice is routine. Delve's strongest advantage: strong user research and industrial design, important for patient-worn devices.
How do Bluefruit Software and Delve differ in pricing?
Bluefruit Software uses time and materials, fixed project pricing. Delve uses time and materials, phased fixed project pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.
Which is better for enterprise: Bluefruit Software or Delve?
Delve 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 Bluefruit Software and Delve?
Bluefruit Software's primary differentiator is: Small, employee-owned embedded team with medical devices as its largest market and a strong testing culture. Delve's primary differentiator is: design research and industrial design depth from two long-established US studios. They also differ in team size (70–90 vs 200–500), minimum engagement (Not disclosed vs Not disclosed), and primary industries served (Diagnostics & lab devices, Surgical & therapeutic devices vs Wearables & remote monitoring, Surgical & therapeutic devices).
Verify all details directly with each company before making a decision.