Head-to-head · RGB Lighting Software
SignalRGB vs Razer Synapse
SignalRGB leads on 0 checks, Razer Synapse on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreSignalRGB · 7.8/10
- Free planboth
SignalRGB scores higher on our rubric for rgb lighting software: 7.8 against 6.6 out of 10; our editors rank them #10 and #21.
SignalRGB is the better fit for users wanting unified RGB effects. Razer Synapse is the better fit for razer users needing RGB plus device profiles.
- SignalRGB fits best
Users wanting unified RGB effects
- Razer Synapse fits best
Razer users needing RGB plus device profiles
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Side by side
| Feature | SignalRGB 7.8/10 Visit ↗ | Razer Synapse 6.6/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.8 | 6.6 |
| Ranking | #10 in RGB Lighting Software | #21 in RGB Lighting Software |
| Best for | Users wanting unified RGB effects | Razer users needing RGB plus device profiles |
| Pricing model | Free plan + paid | Free |
| Starting price | — | Free plan |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Desktop | Cloud, Desktop |
| Platforms | Windows | Web, Windows, macOS |
| Features SignalRGB 4/4 · Razer Synapse 4/4 | ||
| Addressable RGB control | ✓ | ✓ |
| Cross-device sync | ✓ | ✓ |
| Lighting profiles | ✓ | ✓ |
| Game lighting effects | ✓ | ✓ |
| Specs | ||
| Device scope | Both | Both |
| Maximum profiles | Not checked yet | Not checked yet |
| Our review | ||
| Pros |
|
|
| Cons |
|
|
| Our verdict | SignalRGB brings compatible PC components and peripherals into one Windows application, with a shared canvas for coordinating lighting across devices. It is aimed at people who want a unified look across hardware such as keyboards, mice,… Read the review → |
Razer Synapse 4 is Razer’s free desktop and web software for configuring gaming hardware. It suits Razer users who want RGB controls alongside device settings: remapping buttons and controls, creating macros, adjusting compatible hardware,… Read the review → |
Strengths and trade-offs
SignalRGB — where it wins
- Synchronizes compatible components and peripherals on a shared canvas
- Offers customizable effects, presets, screen ambience, and device layouts
- Free plan includes supported-device control, basic cooling, and two macros
Where it doesn't
- Runs on Windows only
- Game integrations and premium effects are Pro features
- Free cooling control is basic
Razer Synapse — where it wins
- Sync Chroma lighting across compatible devices and games.
- Remap controls, create macros, and switch device profiles.
- Browser quick customization and onboard profile switching.
Where it doesn't
- Its focus is Razer-compatible devices and Chroma partners.
- The profile and macro migration path is specifically from Synapse 3.
- Configuration depends on compatible hardware for lighting features.
- SignalRGB7.8/10 · Free plan
A free Windows app for coordinating compatible RGB components and peripherals.
Visit SignalRGBFull verdict → - Razer Synapse6.6/10 · Free plan
Free software for Razer RGB, device profiles, macros, and control remapping.
Visit RazerFull verdict →
All RGB lighting software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update