# Quick Math vs Vonder X

The clearest difference is in-app purchases: Vonder X at none against Quick Math's 5. Quick Math's advantage is iOS requirement (8.0 vs 11.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Quick Math sells 5 one-off in-app purchases. Vonder X asks for nothing beyond the download.

Quick Math ships an update every 2 months, Vonder X every 3 months. The most recent releases landed on September 26, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | Quick Math | Vonder X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (885 ratings)](https://appshunter.io/ios/app/quick-math-mental-arithmetic/id1105735200/reviews)** | — |
| Number of ratings | **885** | — |
| Positive reviews | **73.5% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 97 MB | 19 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shiny Things](https://appshunter.io/developer/456805308) | [VONDER (THAILAND) COMPANY LIMITED](https://appshunter.io/developer/1246628604) |

## What reviewers say

### Quick Math

[App page](https://appshunter.io/ios/app/quick-math-mental-arithmetic/id1105735200)

Practice mental math skills with this innovative app featuring handwriting recognition. It offers exercises in addition, subtraction, multiplication, division, and pre-algebra for students and adults. Track progress and improve arithmetic fluency with adjustable difficulty levels.

**Highlights:** Mental addition, subtraction, multiplication, division, Handwriting recognition for answers, Pre-algebra practice, Adjustable difficulty levels, Individual user profiles, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subtraction | $0.99 | one-time |
| Multiplication | $0.99 | one-time |
| Division | $0.99 | one-time |
| Mixed | $0.99 | one-time |
| Unlock All | $2.99 | one-time |

**What reviewers like**

- 👍 Quick and easy to use
- 🚀 Helps improve math skills
- 💡 Handwriting recognition
- 🤩 Fun and engaging

**What reviewers complain about**

- 💰 Paid features required for full functionality
- 🐛 Issues with number recognition (9s, 7s, 5s)
- 🕰️ Slow response time when writing answers

**Reported bugs**

- Incorrect answers registered
- Handwriting not recognized properly
- Issues with family sharing

**Requested features**

- Option to disable timer
- More customization options
- Progress tracking and reporting
- Ability to focus on specific math operations


### Vonder X

[App page](https://appshunter.io/ios/app/vonder-x/id1563389476)

This app offers a gamified learning experience with bite-sized content across various subjects. Engage in challenges, practice with micro-learning games, and improve your knowledge in a fun and interactive way.

**Highlights:** Gamified learning challenges, Bite-sized content, Interactive micro-learning games, Progress tracking, Regularly updated lessons, Guest access option

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Quick Math free?

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

### Is Vonder X free?

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

### Do Quick Math or Vonder X have ads?

Neither Quick Math nor Vonder X shows ads.

### Which is updated more often, Quick Math or Vonder X?

Quick Math ships an update every 2 months, and Vonder X every 3 months. Most recently, Quick Math was updated on September 26, 2026 and Vonder X on June 6, 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.*