# Addition Chalkboard vs Subtraction Mathematics

The clearest difference is rating: Addition Chalkboard at 5.0 against Subtraction Mathematics's 4.3. Addition Chalkboard also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 16.0). Subtraction Mathematics's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (27 vs 3). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Subtraction Mathematics sells 1 one-off in-app purchase. Addition Chalkboard asks for nothing beyond the download.

Addition Chalkboard holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Subtraction Mathematics has 27 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Addition Chalkboard ships an update every 2 months, Subtraction Mathematics fortnightly. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Addition Chalkboard | Subtraction Mathematics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/addition-chalkboard/id1438674810/reviews)** | [4.3 (27 ratings)](https://appshunter.io/ios/app/subtraction-mathematics/id1660955330/reviews) |
| Number of ratings | 3 | **27** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 172 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALAN PETERSON](https://appshunter.io/developer/1436516782) | [PROGRAMIS PRIME LLC](https://appshunter.io/developer/1051843545) |

## What reviewers say

### Addition Chalkboard

[App page](https://appshunter.io/ios/app/addition-chalkboard/id1438674810)

This app helps students learn and memorize single-digit addition facts through a focused, stress-free approach. It encourages correct number formation and supports stylus input for a hands-on learning experience. The app covers sums from 0+0 up to 10+10.

**Highlights:** Single-digit addition practice, Memorization of sums, Stress-free learning environment, Focus on correct number formation, Stylus support for drawing, Covers 0+0 to 10+10

**Features:** macOS Compatibility

**In-app purchases:** none


### Subtraction Mathematics

[App page](https://appshunter.io/ios/app/subtraction-mathematics/id1660955330)

This math app teaches children multi-digit subtraction with step-by-step guidance and positive reinforcement. It adapts to the student's learning pace, offering practice for beginners and review for older students. Features include AI handwriting recognition and progress monitoring for parents and teachers.

**Highlights:** Multi-digit subtraction with borrowing, Step-by-step instructions, AI handwriting recognition, Progress monitoring with color-coded feedback, Customizable digit combinations, Encouragement-based learning

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get All Features | $3.99 | one-time |


## Frequently asked questions

### Is Addition Chalkboard free?

Addition Chalkboard is free to download, with no in-app purchases.

### Is Subtraction Mathematics free?

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

### Which has better reviews, Addition Chalkboard or Subtraction Mathematics?

Addition Chalkboard is rated higher. Addition Chalkboard averages 5.0 out of 5 from 3 ratings, while Subtraction Mathematics averages 4.3 from 27 ratings.

### Do Addition Chalkboard or Subtraction Mathematics have ads?

Neither Addition Chalkboard nor Subtraction Mathematics shows ads.

### Which is updated more often, Addition Chalkboard or Subtraction Mathematics?

Addition Chalkboard ships an update every 2 months, and Subtraction Mathematics fortnightly. Most recently, Addition Chalkboard was updated on October 5, 2026 and Subtraction Mathematics on October 24, 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.*