Turtle vs Caculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Turtle
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透過Bitfinex提供的API金鑰，將Bitfinex原本放貸功能的資訊用較清晰的方式顯示。並加上一些分析圖表，讓使用者能更方便的識別及分析。
Caculator
Perform basic arithmetic, scientific calculations, graphing, and percentages with a clean, modern interface. Features include a history log, interactive widgets, and customizable themes. It's designed for quick calculations and more advanced mathematical work.
- Basic arithmetic and percentages
- Scientific functions (trigonometric, logarithms)
- Graphing of multiple functions
- Calculation history log
- Interactive iOS widget
- Light and dark modes
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Make everyday math, scientific calculations, graphing, and percentages easier—all in one calculator. With a clean, modern interface, responsive buttons, and light and dark modes, it’s designed for quick calculations and more advanced work. **EVERYDAY CALCULATIONS** • Handle basic arithmetic, parentheses, and percentages • See your current equation and running result together • Track complex expressions with color-coded parentheses • Copy or share calculations with a single tap • Enjoy automatic decimal formatting and scientific notation for very large or small results **SCIENTIFIC CALCULATOR** • Explore trigonometric and inverse trigonometric functions • Switch between degrees and radians • Calculate logarithms, square roots, powers, factorials, and reciprocals • Work with mathematical constants π and e • Continue calculating from your previous result **GRAPHING CALCULATOR** • Plot multiple functions in different colors to compare curves • Use trigonometric functions, powers, logarithms, and more • Drag to pan and pinch to zoom • Adjust X and Y ranges to explore the details • Switch between degree and radian modes **PERCENTAGE CALCULATOR** • Find a percentage of any value • Discover what percentage one value is of another • Calculate percentage increases and decreases • Simplify discounts, budgets, price comparisons, and everyday financial math **CALCULATION HISTORY** • Keep your latest 20 calculations across basic, scientific, and percentage modes • Revisit previous results without starting over • Copy individual entries or your entire history **INTERACTIVE iOS WIDGET** • Perform basic calculations directly from your Home Screen • Get quick answers without opening the app • Available on iOS 17 and later **DESIGNED FOR YOU** • Choose light or dark mode for comfortable viewing • Enjoy a portrait layout designed for convenient one-handed use • Use the app in English, Spanish, Arabic, Russian, Simplified Chinese, Vietnamese, Portuguese, Japanese, or German • Benefit from right-to-left Arabic support and translated accessibility labels Whether you’re studying, working, checking a discount, or exploring a function, this calculator brings useful tools together in a simple, approachable design. Download today and make calculations effortless! Terms: https://sites.google.com/view/simple-calculator-app-plus/terms Privacy:https://sites.google.com/view/simple-calculator-app-plus/home to paywall
Screenshots
Verdict
The clearest difference is in-app purchases: Turtle at none against Caculator's 2. Turtle also leads on ads (none vs shown). Caculator's advantage is update cadence (every 2 weeks vs every 3 months). On price, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Caculator sells 2 in-app purchases, starting at $3.99 per 7 days. Turtle asks for nothing beyond the download.
Turtle ships an update every 3 months, Caculator every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Turtle | Caculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 25 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | CHENGWEN WU | JanoGroup LLC |
In-app purchases
Turtle
No in-app purchases
Caculator
- Premium - Weekly 3.99$3.997 Days
- Premium - Annual 19.997 Days trial$19.991 Year
