# Undiet vs CT PROGRESS PARTNER

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

Both are free to download. Undiet sells 2 in-app purchases, starting at $5.99 per month. CT PROGRESS PARTNER asks for nothing beyond the download.

Undiet ships an update weekly, CT PROGRESS PARTNER every 2 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Undiet | CT PROGRESS PARTNER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 43 MB | 133 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Krnic](https://appshunter.io/developer/1803578555) | [Chantell Thompson](https://appshunter.io/developer/1725999444) |

## What reviewers say

### Undiet

[App page](https://appshunter.io/ios/app/undiet-weight-journey-tracker/id1490849895)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Undiet Plus Monthly | $5.99 | per month |
| Undiet Plus Yearly | $34.99 | per year |


### CT PROGRESS PARTNER

[App page](https://appshunter.io/ios/app/ct-progress-partner/id6476149699)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Undiet free?

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

### Is CT PROGRESS PARTNER free?

CT PROGRESS PARTNER is free to download, with no in-app purchases.

### Do Undiet or CT PROGRESS PARTNER have ads?

Neither Undiet nor CT PROGRESS PARTNER shows ads.

### Which is updated more often, Undiet or CT PROGRESS PARTNER?

Undiet ships an update weekly, and CT PROGRESS PARTNER every 2 months. Most recently, Undiet was updated on October 26, 2026 and CT PROGRESS PARTNER on October 27, 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.*