# Numeric Odyssey vs Catch Duck

The clearest difference is in-app purchases: Numeric Odyssey at none against Catch Duck's 12. Catch Duck's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Catch Duck sells 12 one-off in-app purchases. Numeric Odyssey asks for nothing beyond the download.

Numeric Odyssey ships an update every 2 weeks, Catch Duck weekly. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Numeric Odyssey | Catch Duck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 27 MB | 293 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Truong Van Truong](https://appshunter.io/developer/1601624508) | [Nox Interactive Technology Limited](https://appshunter.io/developer/1516145422) |

## What reviewers say

### Numeric Odyssey

[App page](https://appshunter.io/ios/app/numeric-odyssey/id6472152796)

**Features:** macOS Compatibility

**In-app purchases:** none


### Catch Duck

[App page](https://appshunter.io/ios/app/catch-duck-match/id6737759113)

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Limited Gift Pack 1 | $4.99 | one-time |
| 500 Coin | $8.99 | one-time |
| Gift pack 1 | $9.99 | one-time |
| Monthly Card | $9.99 | one-time |
| Gift pack 2 | $19.99 | one-time |
| 2500 Coin | $27.99 | one-time |
| Permanent Card | $29.99 | one-time |
| Gift pack 3 | $39.99 | one-time |
| 5000 Coin | $54.99 | one-time |
| Gift pack 4 | $79.99 | one-time |
| 10000 Coin | $99.99 | one-time |
| Gift pack 5 | $99.99 | one-time |


## Frequently asked questions

### Is Numeric Odyssey free?

Numeric Odyssey is free to download, with no in-app purchases.

### Is Catch Duck free?

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

### Do Numeric Odyssey or Catch Duck have ads?

Both Numeric Odyssey and Catch Duck show ads.

### Which is updated more often, Numeric Odyssey or Catch Duck?

Numeric Odyssey ships an update every 2 weeks, and Catch Duck weekly. Most recently, Numeric Odyssey was updated on September 17, 2026 and Catch Duck on September 23, 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.*