# Todo Math vs 単語マスターX

The clearest difference is in-app purchases: 単語マスターX at none against Todo Math's 10. Todo Math's advantage is iOS requirement (11.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Todo Math sells 6 one-off in-app purchases. 単語マスターX asks for nothing beyond the download.

Todo Math ships an update every 3 weeks, 単語マスターX every 2 weeks. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Todo Math | 単語マスターX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/todo-math/id666465255/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 73.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 588 MB | 6 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Enuma, Inc.](https://appshunter.io/developer/577646433) | [SANWA Inc.](https://appshunter.io/developer/1878028373) |

## What reviewers say

### Todo Math

[App page](https://appshunter.io/ios/app/todo-math/id666465255)

This app offers over 2,000 interactive math activities for children from preschool to 2nd grade. It covers counting, calculation, logic, geometry, and time-telling, with adjustable challenge levels and accessibility features for all learners.

**Highlights:** 2,000+ interactive math activities, Covers counting, calculation, logic, geometry, time, Adjustable challenge levels (Pre-K to 2nd grade), Accessibility features (8 languages, dyslexic font), Parent dashboard for progress tracking, Placement test for accurate level selection

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Year Subscription | $49.99 | one-time |
| One Year Subscription | $69.99 | one-time |
| One Year Subscription | $79.99 | one-time |
| Two Years Subscription | $89.99 | one-time |
| One Year Subscription | $99.99 | one-time |
| Two Years Subscription | $119.99 | one-time |

**What reviewers like**

- 👍 Engaging and educational math games
- 🚀 Effective for learning math concepts
- 💡 Customizable settings for different learning styles
- 👍 Visually appealing and non-distracting graphics
- 👍 Helpful for students with special needs

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 💰 Expensive subscription model
- 🔒 Lack of transparency around subscription details
- 🚫 Removal of free features in later versions

**Reported bugs**

- Sound not working on some devices
- Handwriting recognition issues
- Progress reset after app updates

**Requested features**

- Expand content to higher grade levels
- Add more languages and currency options
- Improve progress tracking and reporting for parents
- Introduce more personalization options
- Provide offline access to content


### 単語マスターX

[App page](https://appshunter.io/ios/app/x/id6760735471)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Todo Math free?

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

### Is 単語マスターX free?

単語マスターX is free to download, with no in-app purchases.

### Do Todo Math or 単語マスターX have ads?

Neither Todo Math nor 単語マスターX shows ads.

### Which is updated more often, Todo Math or 単語マスターX?

Todo Math ships an update every 3 weeks, and 単語マスターX every 2 weeks. Most recently, Todo Math was updated on October 13, 2026 and 単語マスターX on October 10, 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.*