# GymNext Flex Timer vs Kinetic Coaching

The clearest difference is in-app purchases: Kinetic Coaching at none against GymNext Flex Timer's 2. Kinetic Coaching also leads on rating (5.0 vs 4.8). GymNext Flex Timer's advantage is update cadence (every 3 weeks vs every 8 months) and ratings volume (2.1K vs 2). On price, ads, monetization model and iOS requirement there is nothing between them.

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

Kinetic Coaching 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 2.1K ratings behind it against 2, so its average is the more settled of the two.

GymNext Flex Timer ships an update every 3 weeks, Kinetic Coaching every 8 months. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | GymNext Flex Timer | Kinetic Coaching |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (2.1K ratings)](https://appshunter.io/ios/app/gymnext-flex-timer/id977329344/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/kinetic-coaching/id6757519457/reviews)** |
| Number of ratings | **2.1K** | 2 |
| Positive reviews | 71.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | Free | Free |
| Size | 185 MB | 122 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Homick Enterprises](https://appshunter.io/developer/346326303) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## 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


### Kinetic Coaching

[App page](https://appshunter.io/ios/app/kinetic-coaching/id6757519457)

This app provides expert coaching, structured fitness programs, and modern wellness services for improved strength, movement, and recovery. It allows users to book group classes, schedule personal training, and manage recovery sessions like sauna and cold plunge.

**Highlights:** Book and manage group fitness classes, Schedule personal training sessions, Access professional coaching, Reserve wellness and recovery services, Structured programming for consistency, Support strength and mobility

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

**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 Kinetic Coaching free?

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

### Which has better reviews, GymNext Flex Timer or Kinetic Coaching?

Kinetic Coaching is rated higher. GymNext Flex Timer averages 4.8 out of 5 from 2.1K ratings, while Kinetic Coaching averages 5.0 from 2 ratings.

### Do GymNext Flex Timer or Kinetic Coaching have ads?

Neither GymNext Flex Timer nor Kinetic Coaching shows ads.

### Which is updated more often, GymNext Flex Timer or Kinetic Coaching?

GymNext Flex Timer ships an update every 3 weeks, and Kinetic Coaching every 8 months. Most recently, GymNext Flex Timer was updated on October 15, 2026 and Kinetic Coaching on October 5, 2026.

---

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