# RhinoFit vs OPTIfit.

The clearest difference is ads: OPTIfit. at none against RhinoFit's shown. RhinoFit's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

RhinoFit ships an update every 8 months, OPTIfit. every 5 months. The most recent releases landed on September 14, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | RhinoFit | OPTIfit. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (22 ratings)](https://appshunter.io/ios/app/rhinofit/id951331888/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 28.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | Ad-supported | — |
| Size | 18 MB | 174 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Gulf Management Systems, Inc.](https://appshunter.io/developer/951331887) | [OPTIfit Fitnessclub GbR](https://appshunter.io/developer/1582456382) |

## What reviewers say

### RhinoFit

[App page](https://appshunter.io/ios/app/rhinofit/id951331888)

Manage gym operations, book classes, and track fitness progress. This app provides an easy-to-use interface for both staff and students to streamline gym management and personal fitness tracking.

**Highlights:** Administrator account access, Class reservation, Attendance marking, Workout tracking, Easy-to-use interface

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and navigate
- 👍 Great for scheduling classes
- 👍 Mobile access to gym information
- 👍 Convenient QR code check-in
- 👍 Clear calendar view

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 App is slow and clunky
- 🐛 Poor user interface
- 🐛 Not intuitive navigation
- 🐛 Web wrapper, not native app

**Reported bugs**

- App crashes on opening
- App crashes on dashboard
- App crashes when trying to post on wall
- App crashes constantly
- App crashes after login

**Requested features**

- Add QR code to Apple Wallet
- Face ID or remember me for login
- Track workouts and exercises
- Add a spot for measurements
- Allow sharing of progress


### OPTIfit.

[App page](https://appshunter.io/ios/app/optifit/id1582456380)

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RhinoFit free?

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

### Is OPTIfit. free?

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

### Do RhinoFit or OPTIfit. have ads?

RhinoFit shows ads; OPTIfit. does not.

### Which is updated more often, RhinoFit or OPTIfit.?

RhinoFit ships an update every 8 months, and OPTIfit. every 5 months. Most recently, RhinoFit was updated on September 14, 2026 and OPTIfit. on September 15, 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.*