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PROTO - circuit simulator
Build, simulate and learn about electronic circuits with PROTO circuit simulator
DownloadPrevious Versions
PROTO - circuit simulator
1.52.0
XAPK
APKs
October 12, 2026
19.18 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.51.0
XAPK
APKs
September 14, 2026
23.5 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.50.0
XAPK
APKs
August 10, 2026
19.22 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.49.1
XAPK
APKs
June 28, 2026
18.96 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.49.0
XAPK
APKs
June 10, 2026
18.95 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.48.0
XAPK
APKs
March 26, 2026
22.98 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.47.0
XAPK
APKs
February 20, 2026
23 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.46.0
XAPK
APKs
January 15, 2026
20.37 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.45.0
XAPK
APKs
December 19, 2025
22.82 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.44.0
XAPK
APKs
November 28, 2025
22.75 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.43.0
XAPK
APKs
November 2, 2025
28.19 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.42.0
XAPK
APKs
October 14, 2025
27.03 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.41.0
XAPK
APKs
September 23, 2025
24.49 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.40.0
XAPK
APKs
August 15, 2025
24.09 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.39.0
XAPK
APKs
June 12, 2025
21.87 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.38.0
XAPK
APKs
May 2, 2025
19.88 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.37.0
XAPK
APKs
March 15, 2025
12.43 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.36.1
XAPK
APKs
February 20, 2025
21.77 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.35.1
XAPK
APKs
December 24, 2024
21.71 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.35.0
XAPK
APKs
December 14, 2024
21.71 MB
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 87c2a60f46b33b7fed9ed89d2f20058d67edfa73
Size: 21.71 MB
What's New:
> Touch Name, Value or Group label to edit values.
> ITALIAN - new help videos
> Fix buzzer sound after delete
> ITALIAN - new help videos
> Fix buzzer sound after delete
PROTO - circuit simulator
1.34.1
XAPK
APKs
October 28, 2024
22.1 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.34.0
XAPK
APKs
October 23, 2024
14.84 MB
Requires Android: Android 6.0+
Architecture: armeabi-v7a
Screen DPI: nodpi
SHA1: c372cbac6121300829974c34b5b66381f24ad855
Size: 14.84 MB
What's New:
> 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
> 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
PROTO - circuit simulator
1.33.0
XAPK
APKs
September 13, 2024
16.64 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.32.0
XAPK
APKs
August 5, 2024
21.49 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.31.0
APK
June 24, 2024
30.3 MB
Requires Android: Android 6.0+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: nodpi
SHA1: 83511b58c3da2db5ef38e605bb4a64cfb0181039
Size: 30.3 MB
What's New:
> CIRCUIT IMPORT - you can import any circuit into simulation, simply tap on IMPORT button from the right menu.
> Wires can show current value and directionname for input and output terminals
> More HELP videos:
- JPG/PNG/PDF Export
- Themes
- Circuit import
> Fix crash on Examples screen
> Wires can show current value and directionname for input and output terminals
> More HELP videos:
- JPG/PNG/PDF Export
- Themes
- Circuit import
> Fix crash on Examples screen
PROTO - circuit simulator
1.31.0
XAPK
APKs
June 27, 2024
15.6 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.30.0
APK
May 1, 2024
30.29 MB
Requires Android: Android 6.0+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: nodpi
SHA1: e034582b3e2d270b2069db425a82766d831e0be8
Size: 30.29 MB
What's New:
> New components [TTL PACK]:
⋄ 7402 - quad 2-input NOR gate
⋄ 7425 - dual 4-input NOR gate with strobe
⋄ 7442 - BCD to decimal decoder
⋄ 7486 - quad 2-input XOR gate
> [JavaScript] Now you can enable or disable output terminal and set custom name for input and output terminals
> New free component: AD633 - four-quadrant, analog multiplier
> Push switch type (NO - normally open, NC - normally closed)
⋄ 7402 - quad 2-input NOR gate
⋄ 7425 - dual 4-input NOR gate with strobe
⋄ 7442 - BCD to decimal decoder
⋄ 7486 - quad 2-input XOR gate
> [JavaScript] Now you can enable or disable output terminal and set custom name for input and output terminals
> New free component: AD633 - four-quadrant, analog multiplier
> Push switch type (NO - normally open, NC - normally closed)
PROTO - circuit simulator
1.30.0
XAPK
APKs
June 22, 2024
15.59 MB
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 85ecd8db5ad3bf92657017514592c85a8280d51b
Size: 15.59 MB
What's New:
> New components [TTL PACK]:
⋄ 7402 - quad 2-input NOR gate
⋄ 7425 - dual 4-input NOR gate with strobe
⋄ 7442 - BCD to decimal decoder
⋄ 7486 - quad 2-input XOR gate
> [JavaScript] Now you can enable or disable output terminal and set custom name for input and output terminals
> New free component: AD633 - four-quadrant, analog multiplier
> Push switch type (NO - normally open, NC - normally closed)
⋄ 7402 - quad 2-input NOR gate
⋄ 7425 - dual 4-input NOR gate with strobe
⋄ 7442 - BCD to decimal decoder
⋄ 7486 - quad 2-input XOR gate
> [JavaScript] Now you can enable or disable output terminal and set custom name for input and output terminals
> New free component: AD633 - four-quadrant, analog multiplier
> Push switch type (NO - normally open, NC - normally closed)
PROTO - circuit simulator
1.28.0
APK
March 13, 2024
30.22 MB
Requires Android: Android 6.0+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: nodpi
SHA1: 4d475c69c84900a48faaae3150f7122ccbf25345
Size: 30.22 MB
What's New:
> Add Italian language
> [JavaScript] New example with accelerometer sensor
> Fix Audio input crashes
> Fix share circuit and workspace links on Android 12
> Fix Android 14 import bug: https://github.com/Proto-App/Proto-Android/issues/329
> Fix CMOS 4017 and TTL 7493 - https://github.com/Proto-App/Proto-Android/issues/317
> [JavaScript] New example with accelerometer sensor
> Fix Audio input crashes
> Fix share circuit and workspace links on Android 12
> Fix Android 14 import bug: https://github.com/Proto-App/Proto-Android/issues/329
> Fix CMOS 4017 and TTL 7493 - https://github.com/Proto-App/Proto-Android/issues/317
PROTO - circuit simulator
1.28.0
XAPK
APKs
May 1, 2024
13.83 MB
Requires Android: Android 6.0+
Architecture: armeabi-v7a
Screen DPI: nodpi
SHA1: c2f5ee352c6bc7f0cf17903d101c62d34c63722d
Size: 13.83 MB
What's New:
> Add Italian language
> [JavaScript] New example with accelerometer sensor
> Fix Audio input crashes
> Fix share circuit and workspace links on Android 12
> Fix Android 14 import bug: https://github.com/Proto-App/Proto-Android/issues/329
> Fix CMOS 4017 and TTL 7493 - https://github.com/Proto-App/Proto-Android/issues/317
> [JavaScript] New example with accelerometer sensor
> Fix Audio input crashes
> Fix share circuit and workspace links on Android 12
> Fix Android 14 import bug: https://github.com/Proto-App/Proto-Android/issues/329
> Fix CMOS 4017 and TTL 7493 - https://github.com/Proto-App/Proto-Android/issues/317
PROTO - circuit simulator
1.27.0
APK
February 1, 2024
30.09 MB
Requires Android: Android 6.0+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: nodpi
SHA1: f9b251ae7c298ee039f7d82f43479ed6e8570c3e
Size: 30.09 MB
What's New:
> Change navigation in PROTO
> New components [TTL PACK]:
⋄ 7411 - triple 3-input AND gate
⋄ 7421 - dual 4-input AND gate
⋄ 7430 - 8-input NOR gate
> New components [CMOS PACK]:
⋄ 4068 - 8-input NAND gate
⋄ 4071 - quad 2-input OR gate
⋄ 4072 - dual 4-input OR gate
⋄ 4078 - 8-input NOR gate
> [JavaScript] New feature - now you can read sensors data in code.
> Improved app startup time and size.
> Increase zoom area - https://github.com/Proto-App/Proto-Android/issues/314
> New components [TTL PACK]:
⋄ 7411 - triple 3-input AND gate
⋄ 7421 - dual 4-input AND gate
⋄ 7430 - 8-input NOR gate
> New components [CMOS PACK]:
⋄ 4068 - 8-input NAND gate
⋄ 4071 - quad 2-input OR gate
⋄ 4072 - dual 4-input OR gate
⋄ 4078 - 8-input NOR gate
> [JavaScript] New feature - now you can read sensors data in code.
> Improved app startup time and size.
> Increase zoom area - https://github.com/Proto-App/Proto-Android/issues/314
PROTO - circuit simulator
1.27.0
XAPK
APKs
February 26, 2024
15.49 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.26.0
APK
December 26, 2023
31.31 MB
Requires Android: Android 6.0+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: nodpi
SHA1: cff8be356fc56ffc1c638bca345ae78619b39dcf
Size: 31.31 MB
What's New:
> Now you can delete all workspace items
> New FREE component: Operation amplifier (Rails version)
> Unlocked component [TTL Pack]: 7001 - quad 2-input NAND gate
> Unlocked component [CMOS Pack]: 4001 - quad 2-input NOR gate
> More simulation space (+20%)
> Implement frequency less than 1Hz - https://github.com/Proto-App/Proto-Android/issues/297
> New FREE component: Operation amplifier (Rails version)
> Unlocked component [TTL Pack]: 7001 - quad 2-input NAND gate
> Unlocked component [CMOS Pack]: 4001 - quad 2-input NOR gate
> More simulation space (+20%)
> Implement frequency less than 1Hz - https://github.com/Proto-App/Proto-Android/issues/297
PROTO - circuit simulator
1.26.0
XAPK
APKs
December 21, 2023
15.96 MB
Variant
Arch
Version
DPI
PROTO - circuit simulator
1.25.0
APK
November 30, 2023
20.42 MB
Requires Android: Android 5.0+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: nodpi
SHA1: 847072f46d8540243102197f84f8da316b6c197f
Size: 20.42 MB
What's New:
> SEARCH field - Now you can use search field to find circuits in "Examples" tab
> New components [TTL Pack]:
7409 - quadruple 2-input AND gate
7427 - triple 3-input NOR gate
> New components [CMOS Pack]:
4019 - quad AND/OR select gate
4028 - BCD to decimal decoder
> Next release will require Android 6 or higher
> New examples: Dual H bridge and 74LS00, 74LS02, 74LS04, 74LS08, 74LS32 gates
> Fix reload fab button is not discharging capacitor
> Fix missing padding on some devices
> New components [TTL Pack]:
7409 - quadruple 2-input AND gate
7427 - triple 3-input NOR gate
> New components [CMOS Pack]:
4019 - quad AND/OR select gate
4028 - BCD to decimal decoder
> Next release will require Android 6 or higher
> New examples: Dual H bridge and 74LS00, 74LS02, 74LS04, 74LS08, 74LS32 gates
> Fix reload fab button is not discharging capacitor
> Fix missing padding on some devices
PROTO - circuit simulator
1.25.0
XAPK
APKs
December 3, 2023
12.99 MB
Variant
Arch
Version
DPI
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