# NumJam vs Swim Ring Jam

The clearest difference is ads: Swim Ring Jam at none against NumJam's shown. Swim Ring Jam also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NumJam ships an update every 6 days, Swim Ring Jam every 4 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | NumJam | Swim Ring Jam |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Every 4 days** |
| Size | 98 MB | 110 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Oneiric Gaming](https://appshunter.io/developer/1537581074) | [COMMANDOO JOINT STOCK COMPANY](https://appshunter.io/developer/1561328863) |

## What reviewers say

### NumJam

[App page](https://appshunter.io/ios/app/numjam/id1589439853)

**Features:** macOS Compatibility

**In-app purchases:** none


### Swim Ring Jam

[App page](https://appshunter.io/ios/app/swim-ring-jam-slide-master/id6751523388)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NumJam free?

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

### Is Swim Ring Jam free?

Swim Ring Jam is free to download, with no in-app purchases.

### Do NumJam or Swim Ring Jam have ads?

NumJam shows ads; Swim Ring Jam does not.

### Which is updated more often, NumJam or Swim Ring Jam?

NumJam ships an update every 6 days, and Swim Ring Jam every 4 days. Most recently, NumJam was updated on October 27, 2026 and Swim Ring Jam on October 25, 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.*