249+ iOS apps curated and reviewed
The best interest tracker apps on iPhone average 4.5★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | Aug 2026 |
| 2 |  | Free | 5.0★ (3) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.8★ (6.5K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 5.0★ (22) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.7★ (15K) | No | Yes | Aug 2026 |
| 6 |  | Free | — | No | No | May 2026 |
| 7 |  | Free | — | No | Yes | Aug 2026 |
| 8 |  | Free | — | No | Yes | Aug 2026 |
This app helps you stay engaged with your hobbies and passions by tracking your interactions. It provides visual feedback on your engagement levels and nudges you to prevent fading interest. You can also track the expenses associated with your interests.
Plan your financial future with a powerful compound interest calculator. It helps you visualize investment growth with periodic contributions and plan retirement withdrawals with inflation adjustments. Offers detailed breakdowns and interactive charts for informed financial decisions.
Visualize your investment growth with this intuitive calculator. Input your initial investment, interest rate, and contributions to see how compound interest exponentially grows your savings over time. Essential for informed financial planning.
This app offers a comprehensive suite of over 40 financial and utility calculators. Easily handle complex calculations like investment analysis, tax percentages, profit margins, and everyday percentage needs with a clean and intuitive interface.
This finance app helps investors understand their true investment performance by tracking gains and losses for each position. It focuses on simplicity, showing your holdings, current values, and performance without unnecessary distractions. All data is stored locally for enhanced privacy and security.
Easily log your daily feelings on a 1-10 scale and gain insights into your emotional patterns. Visualize trends, identify triggers, and support your mental health goals with this beautifully designed, private mood tracker.
This app offers comprehensive tools for calculating simple and compound interest, managing loans, and tracking lending and borrowing records. It supports various calculation types, detailed record management, and professional report generation, all accessible offline.
