# SmartMath vs Differences

The clearest difference is in-app purchases: SmartMath at none against Differences's 1. SmartMath also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 6 weeks). On price, review sentiment and device support there is nothing between them.

Both are free to download. Differences sells 1 one-off in-app purchase. SmartMath asks for nothing beyond the download.

SmartMath ships an update every 2 weeks, Differences every 6 weeks. The most recent releases landed on September 27, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | SmartMath | Differences |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (80 ratings)](https://appshunter.io/ios/app/differences-found-and-spot-it/id6446196945/reviews)** |
| Number of ratings | — | **80** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 103 MB | 147 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 12+ |
| Developer | [Victor Graciano](https://appshunter.io/developer/1625749662) | [1LIFE](https://appshunter.io/developer/642917436) |

## What reviewers say

### SmartMath

[App page](https://appshunter.io/ios/app/smartmath/id6443455185)

A simple math game where players create and solve equations to earn points and advance through levels. It's designed for young learners to practice arithmetic skills in an engaging way.

**Highlights:** Create equations, Solve equations, Earn points, Advance levels, Arithmetic practice

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

**In-app purchases:** none


### Differences

[App page](https://appshunter.io/ios/app/differences-found-and-spot-it/id6446196945)

This puzzle game challenges your observation skills by requiring you to find 10 differences between two similar images. It's designed to improve memory, reduce stress, and boost concentration without a time limit, making it suitable for all ages.

**Highlights:** Find 10 differences in pictures, Develops observation and visual thinking, Improves memory and concentration, No time limit, Suitable for all ages, Hints and zoom function, Offline play

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


## Frequently asked questions

### Is SmartMath free?

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

### Is Differences free?

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

### Do SmartMath or Differences have ads?

Differences shows ads; SmartMath does not.

### Which is updated more often, SmartMath or Differences?

SmartMath ships an update every 2 weeks, and Differences every 6 weeks. Most recently, SmartMath was updated on September 27, 2026 and Differences on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*