# Know Your World vs Fourth Grade Learning Games

The clearest difference is in-app purchases: Know Your World at none against Fourth Grade Learning Games's 7. Fourth Grade Learning Games's advantage is update cadence (every 4 months vs every 44 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Fourth Grade Learning Games sells 5 in-app purchases, starting at $5.99 per month. Know Your World asks for nothing beyond the download.

Know Your World ships an update every 44 months, Fourth Grade Learning Games every 4 months. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Know Your World | Fourth Grade Learning Games |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (13K ratings)](https://appshunter.io/ios/app/fourth-grade-learning-games/id658561085/reviews)** |
| Number of ratings | — | **13K** |
| Positive reviews | — | 47.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 105 MB |
| Requires iOS | 12.2 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EdWare](https://appshunter.io/developer/554445658) | [RosiMosi LLC](https://appshunter.io/developer/492117766) |

## What reviewers say

### Know Your World

[App page](https://appshunter.io/ios/app/know-your-world/id597861911)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fourth Grade Learning Games

[App page](https://appshunter.io/ios/app/fourth-grade-learning-games/id658561085)

This app offers 21 engaging games designed to reinforce fourth-grade curriculum. It covers essential subjects like math, reading, science, and STEM, helping children aged 8-11 master key concepts through interactive play and voice narration.

**Highlights:** Multiplication and division practice, Fractions and word problem solving, Geometry and angle identification, Grammar, spelling, and punctuation, Reading comprehension exercises, Science and STEM concepts, Voice narration for guidance

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RosiMosi Academy (Monthly) | $5.99 | per month |
| RosiMosi Academy (Monthly) | $5.99 | per month |
| RosiMosi Academy (Yearly) | $39.99 | per year |
| RosiMosi Academy (Yearly) | $39.99 | per year |
| Unlock All Games | $4.99 | one-time |

**What reviewers like**

- 👍 Helpful for learning
- 🤩 Fun and engaging games
- 🎉 Improves grades and understanding
- 🥰 Great for 4th grade students

**What reviewers complain about**

- 💰 Too many paid features
- 🔒 Limited free games
- 🤔 Unbalanced difficulty levels
- 🐛 Crashes and bugs

**Reported bugs**

- Fraction racing game issues
- Spelling game resets progress
- Freezing and crashing on certain devices

**Requested features**

- More free games and content
- Improved difficulty progression
- Ability to track student progress
- Addition of social studies and other subjects


## Frequently asked questions

### Is Know Your World free?

Know Your World is free to download, with no in-app purchases.

### Is Fourth Grade Learning Games free?

Fourth Grade Learning Games is free to download, with in-app purchases available.

### Do Know Your World or Fourth Grade Learning Games have ads?

Neither Know Your World nor Fourth Grade Learning Games shows ads.

### Which is updated more often, Know Your World or Fourth Grade Learning Games?

Know Your World ships an update every 44 months, and Fourth Grade Learning Games every 4 months. Most recently, Know Your World was updated on October 14, 2026 and Fourth Grade Learning Games on October 19, 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.*