# GymNext Flex Timer vs Exerp

The clearest difference is in-app purchases: Exerp at none against GymNext Flex Timer's 2. GymNext Flex Timer's advantage is update cadence (every 3 weeks vs every 7 months) and device support (4 vs 2). On price, ads 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. Exerp asks for nothing beyond the download.

GymNext Flex Timer ships an update every 3 weeks, Exerp every 7 months. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | GymNext Flex Timer | Exerp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.1K ratings)](https://appshunter.io/ios/app/gymnext-flex-timer/id977329344/reviews)** | — |
| Number of ratings | **2.1K** | — |
| Positive reviews | 71.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 185 MB | 78 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Homick Enterprises](https://appshunter.io/developer/346326303) | [Exerp ApS](https://appshunter.io/developer/876394301) |

## 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


### Exerp

[App page](https://appshunter.io/ios/app/exerp/id980308079)

**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 Exerp free?

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

### Do GymNext Flex Timer or Exerp have ads?

Neither GymNext Flex Timer nor Exerp shows ads.

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

GymNext Flex Timer ships an update every 3 weeks, and Exerp every 7 months. Most recently, GymNext Flex Timer was updated on October 15, 2026 and Exerp on October 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.*