# Todo Math vs J PREP Friends

The clearest difference is review sentiment: Todo Math at 74% against J PREP Friends's 25%. Todo Math also leads on iOS requirement (11.0 vs 15.5). J PREP Friends's advantage is in-app purchases (none vs 10). 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. J PREP Friends asks for nothing beyond the download.

Todo Math ships an update every 3 weeks, J PREP Friends monthly. The most recent releases landed on September 29, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Todo Math | J PREP Friends |
| --- | --- | --- |
| 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** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 588 MB | 244 MB |
| Requires iOS | **11.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Enuma, Inc.](https://appshunter.io/developer/577646433) | [J PREP INC.](https://appshunter.io/developer/1540035783) |

## 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


### J PREP Friends

[App page](https://appshunter.io/ios/app/j-prep-friends/id1540035781)

This educational app allows students to review and prepare for lessons at home. It is designed to supplement classroom learning for J PREP Kids students.

**Highlights:** Lesson review, Lesson preparation, Home study tool, For J PREP Kids students

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

**In-app purchases:** none


## Frequently asked questions

### Is Todo Math free?

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

### Is J PREP Friends free?

J PREP Friends is free to download, with no in-app purchases.

### Do Todo Math or J PREP Friends have ads?

Neither Todo Math nor J PREP Friends shows ads.

### Which is updated more often, Todo Math or J PREP Friends?

Todo Math ships an update every 3 weeks, and J PREP Friends monthly. Most recently, Todo Math was updated on September 29, 2026 and J PREP Friends on September 19, 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.*