# Ruggengraat.com vs Swim Performance

Ruggengraat.com and Swim Performance are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Ruggengraat.com ships an update every 2 weeks, Swim Performance every 3 weeks. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Ruggengraat.com | Swim Performance |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 70 MB | 100 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ruggengraat.com](https://appshunter.io/developer/1147084007) | [FITsociety BV (Apps)](https://appshunter.io/developer/1756257213) |

## What reviewers say

### Ruggengraat.com

[App page](https://appshunter.io/ios/app/ruggengraatcom/id1147084008)

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

**In-app purchases:** none


### Swim Performance

[App page](https://appshunter.io/ios/app/swim-performance/id6753800321)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ruggengraat.com free?

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

### Is Swim Performance free?

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

### Do Ruggengraat.com or Swim Performance have ads?

Neither Ruggengraat.com nor Swim Performance shows ads.

### Which is updated more often, Ruggengraat.com or Swim Performance?

Ruggengraat.com ships an update every 2 weeks, and Swim Performance every 3 weeks. Most recently, Ruggengraat.com was updated on October 6, 2026 and Swim Performance on October 12, 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.*