# SuppLog vs Purr Machine

The clearest difference is in-app purchases: Purr Machine at none against SuppLog's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SuppLog sells 2 in-app purchases, starting at $3.99 per month. Purr Machine asks for nothing beyond the download.

## The numbers

| Metric | SuppLog | Purr Machine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Size | 2 MB | 8 MB |
| Requires iOS | **18.0** | 18.2 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Filippos Kagkiouzls](https://appshunter.io/developer/1871602175) | [Mark Friedlander](https://appshunter.io/developer/1812095304) |

## What reviewers say

### SuppLog

[App page](https://appshunter.io/ios/app/supplog-supplement-tracker/id6770135382)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $29.99 | per year |


### Purr Machine

[App page](https://appshunter.io/ios/app/purr-machine/id6772356141)

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

**In-app purchases:** none


## Frequently asked questions

### Is SuppLog free?

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

### Is Purr Machine free?

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

### Do SuppLog or Purr Machine have ads?

Neither SuppLog nor Purr Machine shows ads.

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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.*