# Quick Math vs 101 Simple Okey

The clearest difference is in-app purchases: Quick Math at none against 101 Simple Okey's 6. 101 Simple Okey's advantage is update cadence (weekly vs monthly) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 101 Simple Okey sells 6 one-off in-app purchases. Quick Math asks for nothing beyond the download.

Quick Math ships an update monthly, 101 Simple Okey weekly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Quick Math | 101 Simple Okey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/quick-math-brain-challenge/id1434746026/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 268 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Mehmet rasit Arisu](https://appshunter.io/developer/1346135076) | [OVERTHINK ENTERPRISE YAZILIM TASARIM ANONIM SIRKETI](https://appshunter.io/developer/1768978407) |

## What reviewers say

### Quick Math

[App page](https://appshunter.io/ios/app/quick-math-brain-challenge/id1434746026)

Test your mental math skills against the clock. Solve as many problems as you can without errors to prove your speed and accuracy. Features quality design and music for an engaging experience.

**Highlights:** Improve mathematical processing speed, Timed problem solving, Accuracy challenge, Quality design, Engaging music

**Features:** Vision Pro support

**In-app purchases:** none


### 101 Simple Okey

[App page](https://appshunter.io/ios/app/101-simple-okey-play-vertical/id6705120998)

Experience the classic 101 Okey game with a modern, vertical design optimized for one-handed play. Enjoy fair gameplay with random tile distribution and original visuals, all for free.

**Highlights:** Vertical gameplay for one-handed use, Unique and stylish interface, Fair play with random tile distribution, Original visuals and custom content, Free to download and play

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 60.000 | $0.99 | one-time |
| 250.000 | $1.49 | one-time |
| 700.000 | $2.29 | one-time |
| 1.600.000 | $4.49 | one-time |
| 5.250.000 | $8.99 | one-time |
| 25.500.000 | $18.49 | one-time |


## Frequently asked questions

### Is Quick Math free?

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

### Is 101 Simple Okey free?

101 Simple Okey is free to download, with in-app purchases available.

### Do Quick Math or 101 Simple Okey have ads?

Both Quick Math and 101 Simple Okey show ads.

### Which is updated more often, Quick Math or 101 Simple Okey?

Quick Math ships an update monthly, and 101 Simple Okey weekly. Most recently, Quick Math was updated on November 2, 2026 and 101 Simple Okey on October 30, 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.*