# Subtraction with regrouping vs Math Facts Fluency

The clearest difference is price: Math Facts Fluency at Free against Subtraction with regrouping's $0.99. Math Facts Fluency also leads on device support (3 vs 1) and iOS requirement (12.2 vs 15.6). Subtraction with regrouping's advantage is in-app purchases (none vs 3). On update cadence and ads there is nothing between them.

Math Facts Fluency is free to download; Subtraction with regrouping costs $0.99 up front. Math Facts Fluency sells 3 one-off in-app purchases. Subtraction with regrouping asks for nothing beyond the download.

Subtraction with regrouping ships an update every 41 months, Math Facts Fluency every 53 months. The most recent releases landed on September 14, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Subtraction with regrouping | Math Facts Fluency |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/math-facts-fluency/id1120776621/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 41 months** | Every 53 months |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 17 MB |
| Requires iOS | 15.6 | **12.2** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Red Hong](https://appshunter.io/developer/542314714) | [Janine Toole](https://appshunter.io/developer/839832427) |

## What reviewers say

### Subtraction with regrouping

[App page](https://appshunter.io/ios/app/subtraction-with-regrouping/id838762880)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Facts Fluency

[App page](https://appshunter.io/ios/app/math-facts-fluency/id1120776621)

This app helps children achieve fluency in multiplication and division math facts through timed practice and a rewarding game center. It offers progress tracking and is designed for children with and without special needs, as well as adults learning English.

**Highlights:** Multiplication and division fact practice, Timed challenges for fluency, Progress tracking and reporting, Reward center for motivation, Designed for special needs learners, Suitable for adults learning ESL

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2 Users | $1.99 | one-time |
| All Levels | $2.99 | one-time |
| Up to 10 Users | $3.99 | one-time |


## Frequently asked questions

### Is Subtraction with regrouping free?

Subtraction with regrouping costs $0.99, with no in-app purchases.

### Is Math Facts Fluency free?

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

### Do Subtraction with regrouping or Math Facts Fluency have ads?

Neither Subtraction with regrouping nor Math Facts Fluency shows ads.

### Which is updated more often, Subtraction with regrouping or Math Facts Fluency?

Subtraction with regrouping ships an update every 41 months, and Math Facts Fluency every 53 months. Most recently, Subtraction with regrouping was updated on September 14, 2026 and Math Facts Fluency on June 3, 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.*