# Math Facts Fluency Builder vs WonderMath

The clearest difference is price: WonderMath at Free against Math Facts Fluency Builder's $3.99. WonderMath also leads on update cadence (every 6 weeks vs every 38 months). Math Facts Fluency Builder's advantage is in-app purchases (none vs 2) and iOS requirement (12.2 vs 17.0). On ads and device support there is nothing between them.

WonderMath is free to download; Math Facts Fluency Builder costs $3.99 up front. WonderMath sells 2 one-off in-app purchases. Math Facts Fluency Builder asks for nothing beyond the download.

Math Facts Fluency Builder ships an update every 38 months, WonderMath every 6 weeks. The most recent releases landed on September 19, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | Math Facts Fluency Builder | WonderMath |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wondermath-math-fact-fluency/id6761148884/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 25 MB |
| Requires iOS | **12.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [For His Glory LLC](https://appshunter.io/developer/1876056610) |

## What reviewers say

### Math Facts Fluency Builder

[App page](https://appshunter.io/ios/app/math-facts-fluency-builder/id1120776629)

**Features:** macOS Compatibility

**In-app purchases:** none


### WonderMath

[App page](https://appshunter.io/ios/app/wondermath-math-fact-fluency/id6761148884)

This app allows parents to customize math practice for their children, choosing operations and number ranges. It features an encouraging virtual tutor and tracks progress with detailed analytics. The experience is ad-free and designed to complement various educational curricula.

**Highlights:** Customizable math operations and number ranges, 21 skill-based templates, Virtual math tutor (Bob the Frog), Progressive hints and step-by-step solutions, Detailed mastery tracking and analytics, Trophy system for rewards, Ad-free educational experience

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support WonderMath | $1.99 | one-time |
| Unlock WonderMath | $4.99 | one-time |


## Frequently asked questions

### Is Math Facts Fluency Builder free?

Math Facts Fluency Builder costs $3.99, with no in-app purchases.

### Is WonderMath free?

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

### Do Math Facts Fluency Builder or WonderMath have ads?

Neither Math Facts Fluency Builder nor WonderMath shows ads.

### Which is updated more often, Math Facts Fluency Builder or WonderMath?

Math Facts Fluency Builder ships an update every 38 months, and WonderMath every 6 weeks. Most recently, Math Facts Fluency Builder was updated on September 19, 2026 and WonderMath on August 22, 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.*