PROTO - circuit simulator

Oct 14, 2025

Older Versions of PROTO - circuit simulator

If you are experiencing issues with the latest version of PROTO - circuit simulator due to bugs or incompatibility with your device, downloading an older version can be a practical solution before the app developer fixes the problem. APKPure offers all of the older versions of PROTO - circuit simulator that are compatible with various devices and Android systems. Download rollbacks of PROTO - circuit simulator for Android. All downloads from APKPure are free from viruses and provide a fast, secure way to get the app version history you need.

All Versions of PROTO - circuit simulator

1.42.0(87)XAPKAPKs
Oct 14, 202527.0 MBAndroid 6.0+
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What's new in the version 1.42.0
Updated on Oct 14, 2025
> [CMOS PACK] New component - 4093 - quad 2-input Schmitt-trigger NAND gate
> [CMOS PACK][TTL PACK] Add datasheets for all components
1.41.0(86)XAPKAPKs
Sep 23, 202524.5 MBAndroid 6.0+
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What's new in the version 1.41.0
Updated on Sep 23, 2025
> [DIGITAL PACK] Add RESET and SET terminals in DFlipFlop component
> Add ability to change voltage threshold (Vth or Vgs) in Mosfet component
> [TTL PACK] New components:
> 7424 - quad 2-input Schmitt-trigger NAND gate
> 7451 - dual AND-OR-Invert (AOI) gates
> [CMOS PACK] New components:
> 4013 - dual D-type flip-flop
> 4043 - quad 3-state R/S latch
1.40.0(85)XAPKAPKs
Aug 15, 202524.1 MBAndroid 6.0+
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What's new in the version 1.40.0
Updated on Aug 15, 2025
> Update PROTO to Android 15
> Add edge-to-edge support on Android 15
> You can expect short survey about PROTO in next weeks (it will help us with PROTO development)
> Fix component labels not copied - https://github.com/Proto-App/Proto-Android/issues/419
> Improve JavaScript landscape UI - https://github.com/Proto-App/Proto-Android/issues/415
> Try to fix JavaScript crash on CAT S42 device - https://github.com/Proto-App/Proto-Android/issues/411
1.39.0(84)XAPKAPKs
Jun 12, 202521.9 MBAndroid 6.0+
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What's new in the version 1.39.0
Updated on Jun 12, 2025
> New component [CMOS ADDON]: 4026 - decade counter and 7-segment display driver
> Optimized rendering by 30% with visible labels
> Try to fix JavaScript crash on Huawei MatePad T 10
1.38.0(83)XAPKAPKs
May 2, 202519.9 MBAndroid 6.0+
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What's new in the version 1.38.0
Updated on May 2, 2025
> Added support for using identical project names
1.37.0(82)XAPKAPKs
Mar 15, 202512.4 MBAndroid 6.0+
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What's new in the version 1.37.0
Updated on Mar 15, 2025
> Add ability to sort workspace projects by name or by modification date
> Use shortcuts and run new simulation or select your favorite project!
> New help video: Shortcuts
> Fix default text color in light theme
1.36.1(81)XAPKAPKs
Feb 20, 202521.8 MBAndroid 6.0+
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What's new in the version 1.36.1
Updated on Feb 20, 2025
> New component: Monostable multivibrator [MISC PACK]
> New feature: Add and inspect logs in your JavaScript code [JAVASCRIPT PACK]
> ITALIAN - new help videos
> Update privacy policy
1.35.1(79)XAPKAPKs
Dec 24, 202421.7 MBAndroid 6.0+
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What's new in the version 1.35.1
Updated on Dec 24, 2024
> Touch Name, Value or Group label to edit values.
> ITALIAN - new help videos
> Fix buzzer sound after delete
1.35.0(78)XAPKAPKs
Dec 14, 202421.7 MBAndroid 6.0+
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What's new in the version 1.35.0
Updated on Dec 14, 2024
> Touch Name, Value or Group label to edit values.
> ITALIAN - new help videos
> Fix buzzer sound after delete
1.34.1(77)XAPKAPKs
Oct 28, 202422.1 MBAndroid 6.0+
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What's new in the version 1.34.1
Updated on Oct 28, 2024
> DPST Switch [MISC PACK]
> DPDT Switch [MISC PACK]
> 16 IN - 16 OUT Script IC [JAVASCRIPT PACK]
> Fix CMOS IC 4511 - https://github.com/Proto-App/Proto-Android/issues/376

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