246+ iOS apps curated and reviewed
The best investment calculator compound apps on iPhone average 4.5★ across 246+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (271) | Yes | No | Nov 2026 | |
| 2 |  | Free | 4.6★ (14) | Yes | Yes | Nov 2026 | |
| 3 |  | $0.99 | 4.7★ (6) | No | No | Oct 2026 | |
| 4 |  | Free | — | No | Yes | May 2026 | |
| 5 |  | Free | 5.0★ (2) | No | No | May 2026 | |
| 6 |  | Free | 4.9★ (22) | Yes | Yes | Nov 2026 | |
| 7 |  | Free | 4.8★ (54) | Yes | No | Oct 2026 | |
| 8 |  | Free | — | No | No | Oct 2026 |
This tool helps users plan for early retirement by calculating compound interest and projecting their nest egg growth. It models savings rates, contributions, and withdrawal scenarios to help achieve Financial Independence, Retire Early (FIRE) goals.
Calculate six different investment scenarios, including compound interest, contributions, and return rates. This free tool helps you track your progress towards financial goals. Stay motivated and informed about your investments.
Estimate your future wealth with this tool. Explore how compounding interest can grow your savings for retirement or other financial goals. A simple way to visualize financial growth.
