# Rattlesnakes vs Swimmetry

The clearest difference is in-app purchases: Rattlesnakes at none against Swimmetry's 2. Swimmetry's advantage is update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Swimmetry sells 2 in-app purchases, starting at $1.99 per month. Rattlesnakes asks for nothing beyond the download.

Rattlesnakes ships an update every 4 months, Swimmetry fortnightly. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Rattlesnakes | Swimmetry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.9 (234 ratings)](https://appshunter.io/ios/app/swimmetry/id1209290967/reviews)** |
| Number of ratings | — | **234** |
| Positive reviews | — | 25.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 47 MB | 60 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Inventor Corp](https://appshunter.io/developer/495582696) | [10KLakes, LLC](https://appshunter.io/developer/1209290966) |

## What reviewers say

### Rattlesnakes

[App page](https://appshunter.io/ios/app/rattlesnakes/id976347589)

**Features:** macOS Compatibility

**In-app purchases:** none


### Swimmetry

[App page](https://appshunter.io/ios/app/swimmetry/id1209290967)

Analyze swimmer performances with advanced visualizations and analytics. Track personal bests against various standards, compare swimmers head-to-head, and monitor team progress. Stay updated on athlete achievements and trends.

**Highlights:** Performance visualizations and analytics, Goal and time standard tracking, Head-to-head swimmer comparisons, Athlete progress monitoring, Team analytics, USA Swimming time standards

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Swimmetry Monthly Subscription | $1.99 | per month |
| Swimmetry Yearly Subscription | $12.99 | per year |

**What reviewers like**

- 🚀 Great app for tracking stats
- 👍 Clear standards comparison view
- 👍 Easy to track progress
- 💡 Excellent for general purpose
- 👍 Sleek design and user-friendly interface

**What reviewers complain about**

- 🐛 Buggy and crashes frequently
- 🐛 Slow updates for meet results
- 🐛 Inconsistent data and rankings
- 🐛 Unreliable login and account management
- 🐛 Glitches when trying to add swimmers

**Reported bugs**

- Crashes when loading upcoming meets
- Crashes when selecting fastest time
- Issues with consolidating duplicate athlete entries
- Reported times not showing on athlete profiles
- Swimmer data not loading or disappearing

**Requested features**

- Faster updates for meet results
- Improved stability and reliability
- Better account management and login experience
- Accurate and up-to-date time standards
- Real-time meet result integration


## Frequently asked questions

### Is Rattlesnakes free?

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

### Is Swimmetry free?

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

### Do Rattlesnakes or Swimmetry have ads?

Neither Rattlesnakes nor Swimmetry shows ads.

### Which is updated more often, Rattlesnakes or Swimmetry?

Rattlesnakes ships an update every 4 months, and Swimmetry fortnightly. Most recently, Rattlesnakes was updated on October 6, 2026 and Swimmetry on October 16, 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.*