23+ iOS apps & games curated and reviewed
Looking for free customizable calculator apps and games? 16 of our 23+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | Yes | No | May 2026 |
| 2 |  | Free | 4.7★ (65) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.6★ (465) | No | Yes | Sep 2026 |
| 4 |  | Free | 5.0★ (21) | No | Yes | May 2026 |
| 5 |  | Free | 3.4★ (5) | No | Yes | May 2026 |
| 6 |  | Free was $0.99 | 4.7★ (3) | No | Yes | May 2026 |
| 7 |  | Free | 5.0★ (1) | No | Yes | Jul 2026 |
| 8 |  | Free | — | No | Yes | Jun 2026 |
This app provides customizable RFI hand charts for Texas Hold'Em poker. It offers suggestions for all positions in games ranging from 2 to 10 players, with a slidable bar to adjust the percentage of hands.
This app is a powerful and intelligent calculator with a smart UI and live results. It offers basic, advanced, and scientific functions, a history log, customizable themes, and user-definable functions. It also includes features like an on-screen timer and iPad multitasking support.
Effortlessly calculate tips with this fast and simple tool. Enter your bill amount and desired tip percentage to get instant results. Features customizable shortcuts for common tip amounts.
A straightforward calculator app with customizable keys and themes. It supports calculations for sales tax and tips, and offers Apple Watch integration for quick access. All features are available after an in-app purchase.
This app provides a fast and intuitive interface for basic and advanced calculations. Users can personalize the look with customizable themes and colors for a tailored experience. Enjoy smooth, user-friendly operation and quick, reliable results on the go.
This versatile calculator app offers customizable layouts, switching between standard and scientific modes. It also allows users to store up to 10 intermediate results for complex calculations, making it a functional tool for various needs.
This calculator app offers a vibrant, candy-inspired interface with features like full expression visibility, haptic feedback, and easy editing. It supports hardware keyboards, offers extensive customization with themes and digit separators, and includes a history log for quick reuse of calculations.
This app offers an enhanced unit conversion experience with a beautiful interface and extensive customization. It provides over 700 units across 30 categories, advanced search and filtering, and shortcuts for quick conversions. It also supports widgets and Apple Watch for convenient access.
This app provides a powerful and intuitive way to convert between a wide range of units, including length, weight, temperature, and more. It offers simultaneous conversion of multiple units and customizable options for a personalized experience. Get instant, accurate results for all your conversion needs.
This app offers versatile calculation modes, including standard and scientific options. It provides real-time currency conversion for over 35 currencies in the free version and 170+ with hourly updates in the subscription, plus cryptocurrency tracking.
Visualize and calculate damage ratios between different elements using customizable icons and data formats like JSON and CSV. Design your own elemental charts to test combinations and their effectiveness.
Explore the infinite complexity of fractals with stunning visuals and unparalleled depth. This app offers advanced search capabilities, customization options, and educational insights into mathematical concepts. Share your discoveries and learn through an intuitive interface.
This calculator app offers extensive customization options, allowing users to personalize its appearance and functionality. Tailor button styles, color schemes, and more to create a calculator that perfectly suits your preferences and workflow.
