# Subtraction Mathematics vs Making Simple Predictions

The clearest difference is in-app purchases: Making Simple Predictions at none against Subtraction Mathematics's 1. Making Simple Predictions also leads on iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Subtraction Mathematics | Making Simple Predictions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (22 ratings)](https://appshunter.io/ios/app/subtraction-mathematics/id1660955330/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 172 MB | 43 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PROGRAMIS PRIME LLC](https://appshunter.io/developer/1051843545) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### 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 |


### Making Simple Predictions

[App page](https://appshunter.io/ios/app/making-simple-predictions/id6736592694)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subtraction Mathematics free?

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

### Is Making Simple Predictions free?

Making Simple Predictions is free to download, with no in-app purchases.

### Do Subtraction Mathematics or Making Simple Predictions have ads?

Neither Subtraction Mathematics nor Making Simple Predictions shows ads.

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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.*