# Ever Collar vs Sitter Notes

The clearest difference is update cadence: Ever Collar at every 4 days against Sitter Notes's every 2 months. Ever Collar also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Ever Collar sells 4 in-app purchases, starting at $8.99 per month and Sitter Notes sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Ever Collar ships an update every 4 days, Sitter Notes every 2 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | Ever Collar | Sitter Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 145 MB | 5 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Iconiplex](https://appshunter.io/developer/1876239862) | [Andre de Groot](https://appshunter.io/developer/6791359863) |

## What reviewers say

### Ever Collar

[App page](https://appshunter.io/ios/app/ever-collar-bdsm-tracker/id6758998391)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $8.99 | per month |
| Premiere (Monthly) | $15.99 | per month |
| Pro (Yearly) | $64.99 | per year |
| Premiere (Yearly) | $114.99 | per year |


### Sitter Notes

[App page](https://appshunter.io/ios/app/sitter-notes/id6792147312)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oudermodus ontgrendelen | $2.99 | one-time |


## Frequently asked questions

### Is Ever Collar free?

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

### Is Sitter Notes free?

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

### Do Ever Collar or Sitter Notes have ads?

Neither Ever Collar nor Sitter Notes shows ads.

### Which is updated more often, Ever Collar or Sitter Notes?

Ever Collar ships an update every 4 days, and Sitter Notes every 2 months. Most recently, Ever Collar was updated on October 31, 2026 and Sitter Notes on October 31, 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.*