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Head-to-head · ZX Spectrum Emulators

JNEXT vs Zedex

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score JNEXT #2 in ZX Spectrum Emulators 9.3/10 Free plan Free plan✓ 2 of 2 features Visit JNEXT
Zedex #10 in ZX Spectrum Emulators 8.3/10 Free plan Free plan✓ 1 of 2 features Visit Zedex

JNEXT leads on 1 check, Zedex on 0, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreJNEXT · 9.3/10
  • Free planboth
  • Most featuresJNEXT · 2 of 2

JNEXT scores higher on our rubric for zx spectrum emulators: 9.3 against 8.3 out of 10; our editors rank them #2 and #10.

JNEXT offers built-in debugger; Zedex doesn't.

JNEXT is the better fit for next-focused emulation and debugging. Zedex is the better fit for android gaming and media features.

  • JNEXT fits best

    Next-focused emulation and debugging

  • Zedex fits best

    Android gaming and media features

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Side by side

Feature JNEXT 9.3/10 Visit ↗ Zedex 8.3/10 Visit ↗
At a glance
Editor score 9.3 8.3
Ranking #2 in ZX Spectrum Emulators #10 in ZX Spectrum Emulators
Best for Next-focused emulation and debugging Android gaming and media features
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Mobile
Platforms Windows, macOS, Linux Android
Support Docs, Community Docs
Built for Solo, Small business Solo, Small business
Features JNEXT 2/2 · Zedex 1/2
Built-in debugger ✓ (best) —
Open source ✓ ✓
Specs
Supported Spectrum models Not checked yet Not checked yet
Host platforms Linux, Windows, macOS Android 11 and later
Tape formats TAP, TZX, WAV TAP, TZX
Snapshot formats NEX, SNA, SZX, Z80 SZX, Z80, SNA
Peripheral support DivMMC, SD card, Multiface, DMA, UART, CTC, SPI, I²C, real-time clock, keyboard, USB gamepads, Kempston mouse, ESP-01 WiFi module Beta 128/TR-DOS, +3 floppy drives, DivMMC, tape deck, Kempston mouse, game controllers
Our review
Pros
  • Supports ZX Spectrum 48K, 128K, +2A/+3, and Next machines
  • Built-in debugger includes CPU, memory, video, sprite, audio, and NextREG views
  • Loads broad program, tape, snapshot, and recording formats
  • Supports tape, disk, cartridge, microdrive and RZX files
  • Includes shaders, recording, cheats and remappable controller controls
  • Offers library metadata scraping, catalog browsing and DivMMC emulation
Cons
  • Focused on ZX Spectrum systems rather than broader computer platforms
  • Advanced debugging may be more than casual players need
  • Desktop support is limited to Windows, macOS, and Linux
  • Runs on Android 11 and later only
  • Does not include a debugger
  • Desktop platforms are not supported
Our verdict

JNEXT is a free, open-source desktop emulator for ZX Spectrum 48K, 128K, +2A/+3, and ZX Spectrum Next software. It is aimed particularly at developers working with ZX Spectrum Next projects, while also supporting general software playback.…

Read the review →

Zedex is a free, open-source ZX Spectrum emulator for Android 11 and later. It supports Sinclair, Timex, Pentagon, Scorpion and Spectrum SE machines, including 48k, 128k, plus2 and plus3 models. The app is aimed at Android users who want…

Read the review →
  1. JNEXTZX Spectrum Emulators 9.3Free plan
  2. ZedexZX Spectrum Emulators 8.3Free plan

Strengths and trade-offs

  • JNEXT — where it wins

    • Supports ZX Spectrum 48K, 128K, +2A/+3, and Next machines
    • Built-in debugger includes CPU, memory, video, sprite, audio, and NextREG views
    • Loads broad program, tape, snapshot, and recording formats

    Where it doesn't

    • Focused on ZX Spectrum systems rather than broader computer platforms
    • Advanced debugging may be more than casual players need
    • Desktop support is limited to Windows, macOS, and Linux

  • Zedex — where it wins

    • Supports tape, disk, cartridge, microdrive and RZX files
    • Includes shaders, recording, cheats and remappable controller controls
    • Offers library metadata scraping, catalog browsing and DivMMC emulation

    Where it doesn't

    • Runs on Android 11 and later only
    • Does not include a debugger
    • Desktop platforms are not supported
  • JNEXT9.3/10 · Free plan

    A free desktop emulator for ZX Spectrum software, peripherals, recording, and reverse debugging.

    Visit JNEXTFull verdict →
  • Zedex8.3/10 · Free plan

    A feature-rich free Android emulator for gaming, media capture and library browsing.

    Visit ZedexFull verdict →

More comparisons

All ZX spectrum emulators comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update