# GymNext Flex Timer vs Rogue Wave Martial Arts

The clearest difference is in-app purchases: Rogue Wave Martial Arts at none against GymNext Flex Timer's 2. Rogue Wave Martial Arts also leads on iOS requirement (10.0 vs 15.0). GymNext Flex Timer's advantage is update cadence (every 3 weeks vs every 11 months) and ratings volume (2.2K vs 10). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. GymNext Flex Timer sells 2 in-app purchases, starting at $8.99 per month. Rogue Wave Martial Arts asks for nothing beyond the download.

Rogue Wave Martial Arts holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: GymNext Flex Timer has 2.2K ratings behind it against 10, so its average is the more settled of the two.

GymNext Flex Timer ships an update every 3 weeks, Rogue Wave Martial Arts every 11 months. The most recent releases landed on November 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | GymNext Flex Timer | Rogue Wave Martial Arts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (2.2K ratings)](https://appshunter.io/ios/app/gymnext-flex-timer/id977329344/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/rogue-wave-martial-arts/id1537541953/reviews)** |
| Number of ratings | **2.2K** | 10 |
| Positive reviews | 71.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 11 months |
| Monetization | Free | Free |
| Size | 185 MB | 20 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Homick Enterprises](https://appshunter.io/developer/346326303) | [Rogue Wave Martial Arts, LLC](https://appshunter.io/developer/1537541956) |

## What reviewers say

### GymNext Flex Timer

[App page](https://appshunter.io/ios/app/gymnext-flex-timer/id977329344)

This app offers advanced interval training timing with customizable modes and the ability to control an external LED display. It integrates with wearables and heart rate monitors for a comprehensive workout experience.

**Highlights:** Control external LED displays, Multiple customizable timer modes (Tabata, EMOM, etc.), Save and recall favorite workouts, Apple Watch control, Audio sync with music, Heart rate monitor integration, Control multiple LED displays

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flex Timer Pro Monthly | $8.99 | per month |
| Flex Timer Pro Yearly | $79.99 | per year |

**What reviewers like**

- 🚀 Versatile and customizable
- 👍 User-friendly interface
- 🔔 Reliable and consistent
- 💪 Excellent for interval training
- 🔊 Clear audio cues

**What reviewers complain about**

- 🐛 Audio cues sometimes stop working
- 🔊 Lack of volume control
- 🔍 Detailed instructions needed for beginners
- ⏱️ Delayed countdown between phone and timer

**Reported bugs**

- Saved timers not consistently loading
- Segmented timers not saving properly

**Requested features**

- Watch app integration for remote control
- Background audio playback when app is closed
- Customizable voice options
- Lap timer functionality


### Rogue Wave Martial Arts

[App page](https://appshunter.io/ios/app/rogue-wave-martial-arts/id1537541953)

Easily book classes and manage your martial arts journey from your device. Check your profile, membership status, and stay updated on the latest offerings. Access all your martial arts needs conveniently.

**Highlights:** Book classes easily, Manage membership status, Check user profile, Stay updated on products/services, Convenient mobile access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GymNext Flex Timer free?

GymNext Flex Timer is free to download, with in-app purchases available.

### Is Rogue Wave Martial Arts free?

Rogue Wave Martial Arts is free to download, with no in-app purchases.

### Which has better reviews, GymNext Flex Timer or Rogue Wave Martial Arts?

Rogue Wave Martial Arts is rated higher. GymNext Flex Timer averages 4.8 out of 5 from 2.2K ratings, while Rogue Wave Martial Arts averages 5.0 from 10 ratings.

### Do GymNext Flex Timer or Rogue Wave Martial Arts have ads?

Neither GymNext Flex Timer nor Rogue Wave Martial Arts shows ads.

### Which is updated more often, GymNext Flex Timer or Rogue Wave Martial Arts?

GymNext Flex Timer ships an update every 3 weeks, and Rogue Wave Martial Arts every 11 months. Most recently, GymNext Flex Timer was updated on November 1, 2026 and Rogue Wave Martial Arts on October 9, 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.*