# Purify U vs True40 Studio

The clearest difference is ads: True40 Studio at none against Purify U's shown. True40 Studio also leads on ratings volume (184 vs 4) and update cadence (monthly vs every 3 months). Purify U's advantage is monetization model (ad-supported vs free with in-app purchases) and device support (3 vs 1). On price, rating, review sentiment 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 Purify U against 5.0 for True40 Studio. That said, the two scores are not equally well evidenced: True40 Studio has 184 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Purify U ships an update every 3 months, True40 Studio monthly. The most recent releases landed on September 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Purify U | True40 Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/purify-u/id1415082541/reviews) | [5.0 (184 ratings)](https://appshunter.io/ios/app/true40-studio/id6739640375/reviews) |
| Number of ratings | 4 | **184** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 151 MB | 38 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Everything Natural Under The Sun, Inc.](https://appshunter.io/developer/1415082540) | [True40 Franchise Company, LLC](https://appshunter.io/developer/1786421557) |

## What reviewers say

### Purify U

[App page](https://appshunter.io/ios/app/purify-u/id1415082541)

Easily plan and schedule your fitness classes directly from your mobile device. View class schedules, sign up for sessions, and find studio location information. Optimize your time and enjoy the convenience of managing your fitness activities on the go.

**Highlights:** View class schedules, Sign up for classes, Studio location information, Optimize time, Convenient mobile access

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### True40 Studio

[App page](https://appshunter.io/ios/app/true40-studio/id6739640375)

Browse and purchase class packs or memberships. View the schedule, filter by class type, and manage your reservations to stay organized and committed to your fitness goals.

**Highlights:** Purchase class packs and memberships, View class schedule, Filter classes by type, Manage reservations, Track upcoming classes

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Purify U free?

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

### Is True40 Studio free?

True40 Studio is free to download, with no in-app purchases.

### Which has better reviews, Purify U or True40 Studio?

Purify U and True40 Studio are both rated 5.0 out of 5 on the App Store, from 4 and 184 ratings respectively.

### Do Purify U or True40 Studio have ads?

Purify U shows ads; True40 Studio does not.

### Which is updated more often, Purify U or True40 Studio?

Purify U ships an update every 3 months, and True40 Studio monthly. Most recently, Purify U was updated on September 27, 2026 and True40 Studio on October 10, 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.*