# Turtle vs Caculator

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.

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.

## The numbers

| Metric | Turtle | Caculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/caculator-calculator-app/id6742926589/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 57 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CHENGWEN WU](https://appshunter.io/developer/1558080152) | [JanoGroup LLC](https://appshunter.io/developer/1781461557) |

## What reviewers say

### Turtle

[App page](https://appshunter.io/ios/app/turtle/id1558080150)

**In-app purchases:** none


### Caculator

[App page](https://appshunter.io/ios/app/caculator-calculator-app/id6742926589)

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.

**Highlights:** Basic arithmetic and percentages, Scientific functions (trigonometric, logarithms), Graphing of multiple functions, Calculation history log, Interactive iOS widget, Light and dark modes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly 3.99 | $3.99 | per 7 days |
| Premium - Annual 19.99 | $19.99 | per year |


## Frequently asked questions

### Is Turtle free?

Turtle is free to download, with no in-app purchases.

### Is Caculator free?

Caculator is free to download, with in-app purchases available.

### Do Turtle or Caculator have ads?

Caculator shows ads; Turtle does not.

### Which is updated more often, Turtle or Caculator?

Turtle ships an update every 3 months, and Caculator every 2 weeks. Most recently, Turtle was updated on November 3, 2026 and Caculator on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*