# Define. vs Cyerbi

The clearest difference is rating: Cyerbi at 5.0 against Define.'s 4.3. Cyerbi also leads on review sentiment (100% vs 63%) and update cadence (fortnightly vs every 5 weeks). Define.'s advantage is in-app purchases (none vs 5). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Cyerbi sells 5 one-off in-app purchases. Define. asks for nothing beyond the download.

Cyerbi holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 12 and 7 respectively. Written reviews point the same way: 63% of Define.'s written reviews are positive against 100% of Cyerbi's.

Define. ships an update every 5 weeks, Cyerbi fortnightly. The most recent releases landed on September 12, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | Define. | Cyerbi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (12 ratings)](https://appshunter.io/ios/app/define/id6471139129/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/cyerbi/id6736953375/reviews)** |
| Number of ratings | **12** | 7 |
| Positive reviews | 62.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 121 MB | 130 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) | [Mitchell Nesevich](https://appshunter.io/developer/1700475904) |

## What reviewers say

### Define.

[App page](https://appshunter.io/ios/app/define/id6471139129)

This app offers a variety of workouts designed by fitness experts to create a balanced approach to exercise and overall health. It provides live and on-demand classes, with new content added weekly, suitable for all fitness levels.

**Highlights:** Variety of workouts, Live and on-demand classes, New classes added weekly, Workouts 30 minutes or less, Suitable for all fitness levels, Balanced approach to health

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

**In-app purchases:** none


### Cyerbi

[App page](https://appshunter.io/ios/app/cyerbi/id6736953375)

Connect with gym enthusiasts and trainers on this social platform. Discover and share workouts tailored to your fitness journey. Find your community and elevate your training experience.

**Highlights:** Social networking for gym-goers, Workout sharing by trainers, Connect with like-minded individuals, Discover new training routines, Community-driven fitness

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Poseidon | $19.99 | one-time |
| Zeus | $39.99 | one-time |
| Ares | $59.99 | one-time |
| Hades | $79.99 | one-time |
| Apollo | $99.99 | one-time |


## Frequently asked questions

### Is Define. free?

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

### Is Cyerbi free?

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

### Which has better reviews, Define. or Cyerbi?

Cyerbi is rated higher. Define. averages 4.3 out of 5 from 12 ratings, while Cyerbi averages 5.0 from 7 ratings.

### Do Define. or Cyerbi have ads?

Neither Define. nor Cyerbi shows ads.

### Which is updated more often, Define. or Cyerbi?

Define. ships an update every 5 weeks, and Cyerbi fortnightly. Most recently, Define. was updated on September 12, 2026 and Cyerbi on June 2, 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.*