PROTO - circuit simulator — Old versions

PROTO - circuit simulator 1.52.0Current releaseapks
Oct 12, 2026 · Android 10+ · 64-bit ARM · 16 MB
What's new in 1.52.0
• New CMOS logic ICs: 4518 (dual BCD counter) and 4520 (dual 4-bit binary counter) • New Script IC with 32 inputs and 32 outputs • PROTO is now available in French • Bug fixes and stability improvements
Changed−5 MB
Compared with 1.51.0, from the manifest and signing block we read during the security scan.
−5 MB on arm64-v8a
PROTO - circuit simulator 1.51.0apks
Sep 19, 2026 · Android 10+ · 64-bit ARM · 21 MB
What's new in 1.51.0
• New CMOS logic ICs: 4008 adder, 4024 counter, 4027 flip-flop, 4077 XNOR • New in-app datasheets for TTL and CMOS logic ICs • New Screen margin setting for devices with rounded corners • Bug fixes and stability improvements
Changed−820 KB
Compared with 1.49.1, from the manifest and signing block we read during the security scan.
−820 KB on arm64-v8a
PROTO - circuit simulator 1.49.1apks
Aug 5, 2026 · Android 10+ · 64-bit ARM · 22 MB
What's new in 1.49.1
• Move and drag multiple components at once • Easier wiring with improved terminal selection • Smoother zoom in/out • New examples: comparator and XOR gate • Android 16 support • Bug fixes and stability improvements • Fix slow simulation start (1.49.1)

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