# Our Worlds vs Mental Math

The clearest difference is rating: Our Worlds at 4.8 against Mental Math's 3.7. Our Worlds also leads on review sentiment (100% vs 63%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Our Worlds sells 10 in-app purchases, starting at $9.99 per month and Mental Math sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Our Worlds holds the better App Store score, 4.8 against 3.7. Both are backed by a comparable volume of ratings — 17 and 19 respectively. Written reviews point the same way: 100% of Our Worlds's written reviews are positive against 63% of Mental Math's.

Our Worlds ships an update every 2 months, Mental Math every 5 weeks. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Our Worlds | Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (17 ratings)](https://appshunter.io/ios/app/our-worlds/id1542769365/reviews)** | [3.7 (19 ratings)](https://appshunter.io/ios/app/mental-math-arithmetic-games/id1628058449/reviews) |
| Number of ratings | 17 | **19** |
| Positive reviews | **100.0% of reviews** | 62.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 92 MB | 91 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OurWorlds Inc.](https://appshunter.io/developer/1542769367) | [Mehul Mistri](https://appshunter.io/developer/1628058451) |

## What reviewers say

### Our Worlds

[App page](https://appshunter.io/ios/app/our-worlds/id1542769365)

Explore the stories embedded in your surroundings with augmented and virtual reality experiences. Discover cultural narratives, indigenous territories, and historical content tied to specific locations. Immerse yourself in 360º and VR content to learn about places and communities.

**Highlights:** Geolocated AR experiences, XR360º immersive content, VR headset compatibility, Discover indigenous territories, Site-specific content, User-generated content sharing

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Our Worlds Subscription 9.99 | $9.99 | per month |
| Our Worlds Subscription 29.99 | $29.99 | per month |
| Our Worlds Subscription 39.99 | $39.99 | per month |
| Our Worlds Subscription 49.99 | $49.99 | per month |
| Our Worlds Subscription 59.99 | $59.99 | per month |
| Our Worlds Subscription 69.99 | $69.99 | per month |
| Our Worlds Subscription 79.99 | $79.99 | per month |
| Our Worlds Subscription 89.99 | $89.99 | per month |
| Our Worlds Subscription 99.99 | $99.99 | per month |
| Awesome! Count me in: 9.99 | $9.99 | one-time |


### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-arithmetic-games/id1628058449)

This app teaches children arithmetic and calculation skills using an abacus and mental math techniques. It offers fun quizzes and practice problems to improve cognitive performance and mathematical ability.

**Highlights:** Abacus learning, Mental calculation techniques, Vedic math tricks, Addition, subtraction, multiplication, division, Quiz-based learning, Progress monitoring

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mental Math Premium | $0.99 | per month |
| Mental Math Premium | $1.99 | per 3 months |
| Mental Math Premium | $6.99 | per year |


## Frequently asked questions

### Is Our Worlds free?

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

### Is Mental Math free?

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

### Which has better reviews, Our Worlds or Mental Math?

Our Worlds is rated higher. Our Worlds averages 4.8 out of 5 from 17 ratings, while Mental Math averages 3.7 from 19 ratings.

### Do Our Worlds or Mental Math have ads?

Neither Our Worlds nor Mental Math shows ads.

### Which is updated more often, Our Worlds or Mental Math?

Our Worlds ships an update every 2 months, and Mental Math every 5 weeks. Most recently, Our Worlds was updated on October 7, 2026 and Mental Math on October 5, 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.*