# Subtraction School ! ! vs Spellbridge

The clearest difference is price: Spellbridge at Free against Subtraction School ! !'s $4.99. Spellbridge also leads on ads (none vs shown) and update cadence (every 10 days vs every 12 months). Subtraction School ! !'s advantage is in-app purchases (none vs 2). On rating, ratings volume, device support and iOS requirement there is nothing between them.

Spellbridge is free to download; Subtraction School ! ! costs $4.99 up front. Spellbridge sells 2 in-app purchases, starting at $9.99 per month. Subtraction School ! ! asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Subtraction School ! ! against 5.0 for Spellbridge. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Subtraction School ! ! ships an update every 12 months, Spellbridge every 10 days. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Subtraction School ! ! | Spellbridge |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/subtraction-school/id447548515/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/spellbridge/id6760474014/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 13 MB | 107 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Horizon Business, Inc.](https://appshunter.io/developer/431586531) | [Spellbridge](https://appshunter.io/developer/1884622180) |

## What reviewers say

### Subtraction School ! !

[App page](https://appshunter.io/ios/app/subtraction-school/id447548515)

Master subtraction with this educational app. It offers practice from single-digit to multi-digit problems, with guided tutorials and hints to help users learn step-by-step.

**Highlights:** 1 to 6 digit problems, Random or custom problems, Tutorial animation speed, Step-by-step solution guide, Hint button for guidance, Help button for step completion

**Features:** macOS Compatibility

**In-app purchases:** none


### Spellbridge

[App page](https://appshunter.io/ios/app/spellbridge/id6760474014)

This app helps children practice English spelling with a structured, step-by-step method that reduces guesswork. It offers an optional journal for deeper learning and is designed for young learners, including ESL students, to build confidence and make spelling easier.

**Highlights:** Step-by-step spelling method, Structured sound practice, Optional handwriting journal, Calm and simple learning, Designed for ESL learners, Short, focused daily practice

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Annual Subscription | $79.99 | per year |


## Frequently asked questions

### Is Subtraction School ! ! free?

Subtraction School ! ! costs $4.99, with no in-app purchases.

### Is Spellbridge free?

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

### Which has better reviews, Subtraction School ! ! or Spellbridge?

Subtraction School ! ! and Spellbridge are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Subtraction School ! ! or Spellbridge have ads?

Subtraction School ! ! shows ads; Spellbridge does not.

### Which is updated more often, Subtraction School ! ! or Spellbridge?

Subtraction School ! ! ships an update every 12 months, and Spellbridge every 10 days. Most recently, Subtraction School ! ! was updated on October 23, 2026 and Spellbridge on October 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.*