# 10in30 — Are you a human calculator?

> Fast-paced arithmetic puzzle game with minimalist design and increasing difficulty. (iPhone/iPad app by Jose Manuel Sanchez.)

- Source: https://appshunter.io/ios/app/10in30/id1407823489 (this page in markdown: same URL + `.md`)
- Developer: [Jose Manuel Sanchez](https://appshunter.io/developer/1397376409)
- Category: Games, Education
- Price: Free
- Rating: 4.25/5 from 8 App Store ratings
- Age rating: 4+
- Requires: iOS 10.0 · 69 MB
- Languages: English, Spanish
- Released: 2018-07-28
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/10in30/id1407823489/reviews.md

## What is 10in30?

10 operations. 30 seconds. Can you do it?

Show off your math skills with this mesmerising game. Are you a Human Calculator? Prove it completing 200 elegant, minimalist levels. Starts quite easy at a kids level, then it gets harder.

Practice and improve your Arithmetic skills.

Check out our free games collection to relax and enjoy this summer.

## Key features

- Solve 10 operations in 30 seconds
- 200 minimalist levels
- Gradually increasing difficulty
- Practice arithmetic skills
- Minimalist design


## Frequently asked questions about 10in30

### What is 10in30?

10in30 is a mobile game designed to test your mental math skills. It challenges you to complete a set number of arithmetic operations within a strict time limit.

### How many levels are in 10in30?

10in30 features 200 elegant, minimalist levels that start easy and progressively become more challenging.

### Is 10in30 suitable for children?

Yes, 10in30 has an age rating of 4+, making it suitable for children to practice their arithmetic skills in a fun and engaging way.

### Can I play 10in30 offline?

The provided data does not specify if 10in30 supports offline play. However, many casual puzzle games are designed to be playable without an internet connection.

### What devices does 10in30 support?

10in30 is available on iPhone, iPad, and iPod devices.

### How often is 10in30 updated?

The latest version of 10in30 is 1.3, which was last updated on October 4, 2020. This indicates a less frequent update schedule.

### What is the user sentiment for 10in30?

Based on 8 ratings, 10in30 has an average rating of 4.3 stars, suggesting a generally positive user experience.

### Does 10in30 have ads?

The provided data does not explicitly state whether 10in30 contains advertisements. However, as it is listed as 'Free' with no mention of in-app purchases, it may be ad-supported.

## Version history (last 1 release)

### 1.3 — 2020-10-04

Choose your own time! Now you can select up to 300 seconds to make it easier for the younger kids.

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## More apps by Jose Manuel Sanchez

- [Memorious](https://appshunter.io/ios/app/memorious/id1397376410)

All apps by Jose Manuel Sanchez: https://appshunter.io/developer/1397376409

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*