# Heights Retreat vs Project Function

The clearest difference is ads: Project Function at none against Heights Retreat's shown. Project Function also leads on device support (4 vs 2). Heights Retreat's advantage is iOS requirement (13.0 vs 15.5). On price, update cadence 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.

Heights Retreat ships an update monthly, Project Function every 6 weeks. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Heights Retreat | Project Function |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (24 ratings)](https://appshunter.io/ios/app/heights-retreat/id1276926175/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 17.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Ad-supported | — |
| Size | 74 MB | 222 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Massage Heights Corporate LLC](https://appshunter.io/developer/1276926174) | [Project Function LLC](https://appshunter.io/developer/1790112444) |

## What reviewers say

### Heights Retreat

[App page](https://appshunter.io/ios/app/heights-retreat/id1276926175)

Book and manage massage appointments at any Massage Heights location. View past and upcoming bookings conveniently from your device. Enjoy anytime access to your massage therapy schedule.

**Highlights:** Book appointments, View appointment history, View future appointments, Access any Massage Heights center, Anytime access

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 😊 Great massages, awesome therapist
- 👍 Convenient booking (when it works)
- 👍 Clean UI (older versions)
- 👍 Industry standard (older versions)

**What reviewers complain about**

- 😞 App constantly crashes/freezes
- 😞 Booking process is confusing/backwards
- 😞 Cannot book appointments
- 😞 Login issues/account not recognized
- 😞 Membership not recognized

**Reported bugs**

- App crashes or freezes frequently
- Login issues, account not recognized
- Membership not recognized
- Booking process errors, appointments not saving
- Cannot update payment information

**Requested features**

- Allow choosing date/time before therapist
- Allow booking skincare appointments
- Improve payment information management
- Provide payment history and membership credit details
- Integrate with CRM for membership association


### Project Function

[App page](https://appshunter.io/ios/app/project-function/id6740467390)

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Heights Retreat free?

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

### Is Project Function free?

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

### Do Heights Retreat or Project Function have ads?

Heights Retreat shows ads; Project Function does not.

### Which is updated more often, Heights Retreat or Project Function?

Heights Retreat ships an update monthly, and Project Function every 6 weeks. Most recently, Heights Retreat was updated on November 11, 2026 and Project Function on November 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*