# Abacus Mental Math Training vs Curious Quest

The clearest difference is rating: Curious Quest at 5.0 against Abacus Mental Math Training's 4.1. Curious Quest also leads on in-app purchases (none vs 1) and ads (none vs shown). Abacus Mental Math Training's advantage is ratings volume (31 vs 1) and iOS requirement (10.0 vs 16.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Abacus Mental Math Training sells 1 one-off in-app purchase. Curious Quest asks for nothing beyond the download.

Curious Quest holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Abacus Mental Math Training has 31 ratings behind it against 1, so its average is the more settled of the two.

Abacus Mental Math Training ships an update monthly, Curious Quest every 2 weeks. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Abacus Mental Math Training | Curious Quest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (31 ratings)](https://appshunter.io/ios/app/abacus-mental-math-training/id6449295111/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/curious-quest/id6761313926/reviews)** |
| Number of ratings | **31** | 1 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 34 MB | 314 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Peikun Duan](https://appshunter.io/developer/1240254007) | [Sweet Hut Kitchen INC](https://appshunter.io/developer/1854837798) |

## What reviewers say

### Abacus Mental Math Training

[App page](https://appshunter.io/ios/app/abacus-mental-math-training/id6449295111)

This app offers professional training and assessment for abacus mental calculation and flash calculation, adhering to international grading standards. It features challenge and custom modes to help users improve their math and speed calculation skills.

**Highlights:** Adheres to World Abacus Mental Calculation Federation standards, Challenge Mode with 10 levels and 200 stages, Custom Mode for Flash Calculation and Abacus practice, Adjustable calculation parameters (number range, digits, time), Gradual difficulty progression, Simulates exam conditions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.59 | one-time |


### Curious Quest

[App page](https://appshunter.io/ios/app/curious-quest/id6761313926)

This app offers an engaging learning adventure for children aged 7-13, covering 16 interactive subjects like math, science, and language. It focuses on building confidence through daily practice, progress tracking, and rewarding achievements, making education fun and motivating.

**Highlights:** 16 interactive learning subjects, Daily math and word challenges, Progress tracking and rewards, Virtual pets that grow with learning, 50+ badges and achievements, Multi-child profiles

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Abacus Mental Math Training free?

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

### Is Curious Quest free?

Curious Quest is free to download, with no in-app purchases.

### Which has better reviews, Abacus Mental Math Training or Curious Quest?

Curious Quest is rated higher. Abacus Mental Math Training averages 4.1 out of 5 from 31 ratings, while Curious Quest averages 5.0 from 1 ratings.

### Do Abacus Mental Math Training or Curious Quest have ads?

Abacus Mental Math Training shows ads; Curious Quest does not.

### Which is updated more often, Abacus Mental Math Training or Curious Quest?

Abacus Mental Math Training ships an update monthly, and Curious Quest every 2 weeks. Most recently, Abacus Mental Math Training was updated on October 11, 2026 and Curious Quest on October 7, 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.*