Easily calculate co-founder equity based on contributions. This app removes guesswork, enabling logical and consistent decisions for startup equity distribution. It's free, private, and works offline.




248+ iOS apps curated and reviewed
The best double board equity calculator apps on iPhone average 4.5★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (4) | No | No | May 2026 | ||
| 2 | Free | 4.5★ (143) | Yes | Yes | Aug 2026 | ||
| 3 | Free | — | No | No | May 2026 | ||
| 4 | Free | 4.7★ (19M) | Yes | Yes | Sep 2026 | ||
| 5 | Free | — | No | No | May 2026 | ||
| 6 | Free | 4.7★ (910) | Yes | No | Sep 2026 | ||
| 7 | Free | 4.4★ (1.4K) | Yes | No | Sep 2026 | ||
| 8 | Free | 4.6★ (5) | No | No | May 2026 |




Easily calculate co-founder equity based on contributions. This app removes guesswork, enabling logical and consistent decisions for startup equity distribution. It's free, private, and works offline.




This app redefines the calculator experience for touch-screen devices with a modern, intuitive design. It offers features like a tape log for storing calculations, formula evaluation, and iPad multitasking support for enhanced productivity.



