# Math Connect vs Dot Duo

The clearest difference is in-app purchases: Dot Duo at none against Math Connect's 5. Dot Duo also leads on update cadence (every 2 days vs every 42 months). Math Connect's advantage is iOS requirement (9.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Math Connect sells 5 one-off in-app purchases. Dot Duo asks for nothing beyond the download.

Math Connect ships an update every 42 months, Dot Duo every 2 days. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Math Connect | Dot Duo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 42 months | **Every 2 days** |
| Size | 83 MB | 350 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dong Tran](https://appshunter.io/developer/961632428) | [Cortex (Apps)](https://appshunter.io/developer/1685753630) |

## What reviewers say

### Math Connect

[App page](https://appshunter.io/ios/app/math-connect-math-workout/id1291679615)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 rubies | $0.99 | one-time |
| 50 rubies | $1.99 | one-time |
| 120 rubies | $3.99 | one-time |
| 200 rubies | $5.99 | one-time |
| 500 rubies | $11.99 | one-time |


### Dot Duo

[App page](https://appshunter.io/ios/app/dot-duo-binairo-puzzle/id6798216763)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Connect free?

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

### Is Dot Duo free?

Dot Duo is free to download, with no in-app purchases.

### Do Math Connect or Dot Duo have ads?

Both Math Connect and Dot Duo show ads.

### Which is updated more often, Math Connect or Dot Duo?

Math Connect ships an update every 42 months, and Dot Duo every 2 days. Most recently, Math Connect was updated on October 26, 2026 and Dot Duo on October 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.*