Head-to-head · ZX Spectrum Emulators
Spectral vs JSSpeccy 3
Spectral leads on 0 checks, JSSpeccy 3 on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreSpectral · 8.7/10
- Free planboth
Spectral scores higher on our rubric for zx spectrum emulators: 8.7 against 8.5 out of 10; our editors rank them #7 and #8.
Spectral is the better fit for feature-rich free desktop emulation. JSSpeccy 3 is the better fit for instant browser-based emulation.
- Spectral fits best
Feature-rich free desktop emulation
- JSSpeccy 3 fits best
Instant browser-based emulation
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Side by side
| Feature | Spectral 8.7/10 Visit ↗ | JSSpeccy 3 8.5/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.7 | 8.5 |
| Ranking | #7 in ZX Spectrum Emulators | #8 in ZX Spectrum Emulators |
| Best for | Feature-rich free desktop emulation | Instant browser-based emulation |
| Pricing model | Free | Free |
| Starting price | Free plan | Free plan |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Desktop | Cloud |
| Platforms | Windows, macOS, Linux | Web |
| Built for | Solo, Small business | Solo, Small business |
| Features Spectral 1/2 · JSSpeccy 3 1/2 | ||
| Built-in debugger | Not checked yet | Not checked yet |
| Open source | ✓ | ✓ |
| Specs | ||
| Supported Spectrum models | Not checked yet | Not checked yet |
| Host platforms | Windows, Linux, macOS | web browser |
| Tape formats | TAP, TZX, PZX, CSW | TZX, TAP |
| Snapshot formats | Z80, SNA, SZX | SZX, Z80, SNA |
| Peripheral support | Beeper, AY, TurboSound/Turbo-AY, Kempston mouse, Kempston/Fuller/Cursor/Sinclair joysticks, gamepads, Gunstick, Lightgun, Mikro-plus, Nec µ765, Betadisk | Not checked yet |
| Our review | ||
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| Cons |
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| Our verdict | Spectral is a free, open-source Sinclair ZX Spectrum emulator for Windows, Linux, and macOS. It is aimed at users who want broad desktop support for Spectrum software, from 48K and 128K systems through the +2 and +3, with additional model… Read the review → |
JSSpeccy 3 is a browser-based ZX Spectrum emulator by Matt Westcott for people who want to run Spectrum software without a desktop installation. It emulates 48K, 128K, and Pentagon machines, handles documented and undocumented Z80… Read the review → |
Strengths and trade-offs
Spectral — where it wins
- Free and open source across Windows, Linux, and macOS
- Supports major tape, snapshot, and disk image formats
- Includes peripherals, recording, savestates, and ZXDB browsing
Where it doesn't
- The project is experimental and prone to change
- Debugging coverage is less extensive than category leaders
- Its focus is desktop emulation rather than broader platform access
JSSpeccy 3 — where it wins
- Runs 48K, 128K, and Pentagon Spectrum machines in a browser
- Cycle-accurate scanline and multicolour effects with AY and beeper audio
- Loads snapshots, tape images, and supported files from ZIP archives
Where it doesn't
- Web-browser access only; there is no desktop platform
- Spectrum +2 and +3 are outside its documented machine support
- Narrower peripheral and debugging coverage than desktop alternatives
- Spectral8.7/10 · Free plan
A broad, free desktop emulator with strong format, peripheral, and preservation features.
Visit SpectralFull verdict → - JSSpeccy 38.5/10 · Free plan
Free, open-source browser emulation with accurate timing and broad file support.
Visit JSSpeccy 3Full verdict →
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All ZX spectrum emulators comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update


