# GymNext Flex Timer vs Exerp Staff

The clearest difference is review sentiment: GymNext Flex Timer at 72% against Exerp Staff's 20%. GymNext Flex Timer also leads on rating (4.8 vs 4.4). Exerp Staff's advantage is in-app purchases (none vs 2). On price, ratings volume, update cadence and ads 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 Staff asks for nothing beyond the download.

GymNext Flex Timer holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 2.1K and 1.2K respectively. Written reviews point the same way: 72% of GymNext Flex Timer's written reviews are positive against 20% of Exerp Staff's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | GymNext Flex Timer | Exerp Staff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.1K ratings)](https://appshunter.io/ios/app/gymnext-flex-timer/id977329344/reviews)** | [4.4 (1.2K ratings)](https://appshunter.io/ios/app/exerp-staff/id1406678071/reviews) |
| Number of ratings | **2.1K** | 1.2K |
| Positive reviews | **72.4% of reviews** | 19.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 185 MB | 54 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| 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 Staff

[App page](https://appshunter.io/ios/app/exerp-staff/id1406678071)

Manage group exercise and personal training schedules, appointments, and member check-ins. Easily trade or pick up classes, and integrate seamlessly with the Exerp back-end for efficient management of schedules, bookings, and member data.

**Highlights:** Class and appointment tracking, Class trading and sign-ups, Member check-in functionality, Direct integration with Exerp back-end, Management of class schedules, Booking and member profile management

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Keeps appointments organized
- 👍 Reliable and effective for entrepreneurs

**What reviewers complain about**

- 🐛 Constantly logging users out
- 🐛 Unreliable connection between app and desktop
- 🐛 Issues with class/appointment visibility
- 👎 Difficult to navigate and use
- 👎 Outdated and unintuitive UI design

**Reported bugs**

- Disappearing bookings
- Inaccurate class/appointment availability
- Crashes and freezes
- Login issues

**Requested features**

- Add notifications for bookings and appointments
- Implement weekly/monthly calendar view
- Allow access to past sessions and bookings
- Improve client search and management functionality
- Sync app with desktop for seamless booking experience


## Frequently asked questions

### Is GymNext Flex Timer free?

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

### Is Exerp Staff free?

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

### Which has better reviews, GymNext Flex Timer or Exerp Staff?

GymNext Flex Timer is rated higher. GymNext Flex Timer averages 4.8 out of 5 from 2.1K ratings, while Exerp Staff averages 4.4 from 1.2K ratings.

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

Neither GymNext Flex Timer nor Exerp Staff shows ads.

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

GymNext Flex Timer ships an update every 3 weeks, and Exerp Staff every 3 weeks. Most recently, GymNext Flex Timer was updated on September 22, 2026 and Exerp Staff on September 23, 2026.

---

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