# GymNext Flex Timer vs Infinity PT Coaching App

The clearest difference is in-app purchases: Infinity PT Coaching App at none against GymNext Flex Timer's 2. Infinity PT Coaching App also leads on rating (5.0 vs 4.8). GymNext Flex Timer's advantage is ratings volume (2.1K vs 3). On price, update cadence, 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. Infinity PT Coaching App asks for nothing beyond the download.

Infinity PT Coaching App 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 3, so its average is the more settled of the two.

GymNext Flex Timer ships an update every 3 weeks, Infinity PT Coaching App every 5 weeks. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | GymNext Flex Timer | Infinity PT Coaching App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (2.1K ratings)](https://appshunter.io/ios/app/gymnext-flex-timer/id977329344/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/infinity-pt-coaching-app/id6784790419/reviews)** |
| Number of ratings | **2.1K** | 3 |
| Positive reviews | 71.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 185 MB | 160 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Homick Enterprises](https://appshunter.io/developer/346326303) | [Infinity Personal Training](https://appshunter.io/developer/1498583425) |

## 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


### Infinity PT Coaching App

[App page](https://appshunter.io/ios/app/infinity-pt-coaching-app/id6784790419)

This app provides personalized workout programs and tracks your fitness journey. Monitor workouts, nutrition, habits, and measurements with real-time coach messaging and progress photos. Connects with wearables and health apps for comprehensive tracking.

**Highlights:** Personalized workout programs, Workout and exercise video tracking, Meal and nutrition tracking, Habit tracking, Goal setting and progress monitoring, Real-time coach messaging, Body measurement tracking, Wearable device integration

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

**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 Infinity PT Coaching App free?

Infinity PT Coaching App is free to download, with no in-app purchases.

### Which has better reviews, GymNext Flex Timer or Infinity PT Coaching App?

Infinity PT Coaching App is rated higher. GymNext Flex Timer averages 4.8 out of 5 from 2.1K ratings, while Infinity PT Coaching App averages 5.0 from 3 ratings.

### Do GymNext Flex Timer or Infinity PT Coaching App have ads?

Neither GymNext Flex Timer nor Infinity PT Coaching App shows ads.

### Which is updated more often, GymNext Flex Timer or Infinity PT Coaching App?

GymNext Flex Timer ships an update every 3 weeks, and Infinity PT Coaching App every 5 weeks. Most recently, GymNext Flex Timer was updated on October 13, 2026 and Infinity PT Coaching App on October 6, 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.*