# Worry Cat vs Peptrend

Worry Cat and Peptrend are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. Worry Cat sells 3 in-app purchases, starting at $3.99 per month and Peptrend sells 3 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Worry Cat | Peptrend |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/peptrend/id6795789955/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 39 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Golinski Ventures Sp. z o.o.](https://appshunter.io/developer/1886168946) | [Fluctus Limited](https://appshunter.io/developer/6795789959) |

## What reviewers say

### Worry Cat

[App page](https://appshunter.io/ios/app/worry-cat-calm-journal/id6780908633)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $14.99 | per year |
| Pro Lifetime | $44.99 | one-time |


### Peptrend

[App page](https://appshunter.io/ios/app/peptrend/id6795789955)

Track your weight trends with advanced smoothing algorithms and log GLP-1 doses with estimated circulating levels. Monitor progress towards goals and analyze athletic performance data, all while prioritizing user privacy with no account or network calls.

**Highlights:** Advanced weight trend smoothing algorithms, GLP-1 dose logging with circulating level estimates, Goal progress tracking with waterfall charts, Athlete Mode for VO2 max and heart rate analysis, Privacy-focused with no account or network calls, Import data from Apple Health

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptrend Pro Monthly | $12.99 | per month |
| Peptrend Pro Yearly | $69.99 | per year |
| Peptrend Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Worry Cat free?

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

### Is Peptrend free?

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

### Do Worry Cat or Peptrend have ads?

Neither Worry Cat nor Peptrend 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.*