# KidBucks vs Math Duel

The clearest difference is in-app purchases: Math Duel at none against KidBucks's 1. Math Duel also leads on iOS requirement (15.0 vs 18.0). KidBucks's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. KidBucks sells 1 in-app purchase, starting at $2.99 per month. Math Duel asks for nothing beyond the download.

KidBucks ships an update every 3 weeks, Math Duel fortnightly. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | KidBucks | Math Duel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 36 MB | 21 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [翔 顾](https://appshunter.io/developer/1886590100) | [Phuc Huynh](https://appshunter.io/developer/6779869359) |

## What reviewers say

### KidBucks

[App page](https://appshunter.io/ios/app/kidbucks/id6760886216)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |


### Math Duel

[App page](https://appshunter.io/ios/app/math-duel-2-player-math/id6779869357)

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

**In-app purchases:** none


## Frequently asked questions

### Is KidBucks free?

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

### Is Math Duel free?

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

### Do KidBucks or Math Duel have ads?

Math Duel shows ads; KidBucks does not.

### Which is updated more often, KidBucks or Math Duel?

KidBucks ships an update every 3 weeks, and Math Duel fortnightly. Most recently, KidBucks was updated on October 13, 2026 and Math Duel on September 29, 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.*