# Subtraction School ! ! vs WISC

The clearest difference is rating: Subtraction School ! ! at 5.0 against WISC's 3.0. Subtraction School ! ! also leads on in-app purchases (none vs 1) and price ($4.99 vs $9.99). WISC's advantage is ads (none vs shown) and update cadence (every 5 weeks vs every 12 months). On review sentiment, ratings volume, monetization model and device support there is nothing between them.

Subtraction School ! ! costs $4.99 and WISC $9.99 up front. WISC sells 1 one-off in-app purchase. Subtraction School ! ! asks for nothing beyond the download.

Subtraction School ! ! holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

Subtraction School ! ! ships an update every 12 months, WISC every 5 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Subtraction School ! ! | WISC |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/subtraction-school/id447548515/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/wisc-v-test-practice-pro/id6443924594/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 13 MB | 127 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Horizon Business, Inc.](https://appshunter.io/developer/431586531) | [Perfect Consulting B.V.](https://appshunter.io/developer/1562668783) |

## 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


### WISC

[App page](https://appshunter.io/ios/app/wisc-v-test-practice-pro/id6443924594)

Prepare for the WISC-V IQ Test with practice questions and a comprehensive eBook. Improve cognitive skills, build confidence, and understand the test format for gifted programs or personal potential.

**Highlights:** 60 multiple-choice practice questions, 15 random questions per test, Hint feature available, Correct answers and score calculation, Bonus eBook with 130 practice questions, Covers visual-spatial reasoning, working memory, processing speed

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| eBook Version | $4.99 | one-time |


## Frequently asked questions

### Is Subtraction School ! ! free?

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

### Is WISC free?

WISC costs $9.99, and also offers in-app purchases.

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

Subtraction School ! ! is rated higher. Subtraction School ! ! averages 5.0 out of 5 from 2 ratings, while WISC averages 3.0 from 2 ratings.

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

Subtraction School ! ! shows ads; WISC does not.

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

Subtraction School ! ! ships an update every 12 months, and WISC every 5 weeks. Most recently, Subtraction School ! ! was updated on October 23, 2026 and WISC 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.*