# Custom PTF vs Zivel

The clearest difference is update cadence: Zivel at every 2 weeks against Custom PTF's every 7 months. Zivel also leads on ratings volume (191 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Custom PTF against 4.9 for Zivel. That said, the two scores are not equally well evidenced: Zivel has 191 ratings behind it against 1, so its average is the more settled of the two.

Custom PTF ships an update every 7 months, Zivel every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Custom PTF | Zivel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/custom-ptf/id6477194695/reviews)** | [4.9 (191 ratings)](https://appshunter.io/ios/app/zivel/id6743426132/reviews) |
| Number of ratings | 1 | **191** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 43 MB | 103 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Custom Physical Therapy and Fitness LLC](https://appshunter.io/developer/1728693024) | [Legacy Rising, LLC](https://appshunter.io/developer/1530160253) |

## What reviewers say

### Custom PTF

[App page](https://appshunter.io/ios/app/custom-ptf/id6477194695)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zivel

[App page](https://appshunter.io/ios/app/zivel/id6743426132)

This app helps you maximize your membership and sessions within its community. Easily book services, manage your account, and view your schedule. Participate in a loyalty program to earn points for rewards like swag and discounts.

**Highlights:** Book services and join waitlists, Manage your account, View upcoming services, Join loyalty program, Accumulate points for rewards, Share activity and workout data with HealthKit

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Custom PTF free?

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

### Is Zivel free?

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

### Which has better reviews, Custom PTF or Zivel?

Custom PTF is rated higher. Custom PTF averages 5.0 out of 5 from 1 ratings, while Zivel averages 4.9 from 191 ratings.

### Do Custom PTF or Zivel have ads?

Neither Custom PTF nor Zivel shows ads.

### Which is updated more often, Custom PTF or Zivel?

Custom PTF ships an update every 7 months, and Zivel every 2 weeks. Most recently, Custom PTF was updated on October 24, 2026 and Zivel on October 24, 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.*