# Modular Arithmetic vs TurtleArt

The clearest difference is review sentiment: Modular Arithmetic at 100% against TurtleArt's 40%. Modular Arithmetic also leads on rating (5.0 vs 4.3) and price ($1.99 vs $9.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Modular Arithmetic costs $1.99 and TurtleArt $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Modular Arithmetic holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 100% of Modular Arithmetic's written reviews are positive against 40% of TurtleArt's.

Both ship on a similar rhythm, roughly every 12 months. The most recent releases landed on September 27, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | Modular Arithmetic | TurtleArt |
| --- | --- | --- |
| Price | **$1.99** | $9.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/modular-arithmetic/id687735575/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/turtleart-make-art-with-code/id1041064776/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | **100.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | Every 12 months |
| Monetization | Paid | Paid |
| Size | 2 MB | 19 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Benjamin Burton](https://appshunter.io/developer/687735578) | [Playful Invention Company](https://appshunter.io/developer/941874609) |

## What reviewers say

### Modular Arithmetic

[App page](https://appshunter.io/ios/app/modular-arithmetic/id687735575)

Perform calculations with remainders using a chosen modulus. Supports large numbers, fast modular division and exponentiation, and displays a full calculation transcript. Ideal for understanding modular arithmetic's applications in math and computer science.

**Highlights:** Fixed modulus selection, Arbitrarily large numbers, Fast modular division and exponentiation, Full calculation transcript, Order of operations convention, External keyboard and Siri Shortcuts support

**Features:** Vision Pro support

**In-app purchases:** none


### TurtleArt

[App page](https://appshunter.io/ios/app/turtleart-make-art-with-code/id1041064776)

Create visual art using code by snapping together puzzle-like blocks. This app offers a gentle introduction to programming concepts through a constructionist learning environment, encouraging creativity and mathematical thinking.

**Highlights:** Drag and drop coding blocks, Art and math integration, Save and share creations, Remixable sample projects, No levels or explicit goals, Constructionist learning environment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Modular Arithmetic free?

Modular Arithmetic costs $1.99, with no in-app purchases.

### Is TurtleArt free?

TurtleArt costs $9.99, with no in-app purchases.

### Which has better reviews, Modular Arithmetic or TurtleArt?

Modular Arithmetic is rated higher. Modular Arithmetic averages 5.0 out of 5 from 4 ratings, while TurtleArt averages 4.3 from 4 ratings.

### Do Modular Arithmetic or TurtleArt have ads?

Neither Modular Arithmetic nor TurtleArt shows ads.

### Which is updated more often, Modular Arithmetic or TurtleArt?

Modular Arithmetic ships an update every 12 months, and TurtleArt every 12 months. Most recently, Modular Arithmetic was updated on September 27, 2026 and TurtleArt on September 2, 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.*