# GymNext Flex Timer vs Ultra Strength & Conditioning

The clearest difference is in-app purchases: Ultra Strength & Conditioning at none against GymNext Flex Timer's 2. Ultra Strength & Conditioning also leads on iOS requirement (13.0 vs 15.0). GymNext Flex Timer's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | GymNext Flex Timer | Ultra Strength & Conditioning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.2K ratings)](https://appshunter.io/ios/app/gymnext-flex-timer/id977329344/reviews)** | — |
| Number of ratings | **2.2K** | — |
| Positive reviews | 71.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 185 MB | 83 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Homick Enterprises](https://appshunter.io/developer/346326303) | [PushPress, Inc.](https://appshunter.io/developer/688595778) |

## 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


### Ultra Strength & Conditioning

[App page](https://appshunter.io/ios/app/ultra-strength-and-conditioning/id6745899689)

**Features:** macOS Compatibility, Apple Wallet

**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 Ultra Strength & Conditioning free?

Ultra Strength & Conditioning is free to download, with no in-app purchases.

### Do GymNext Flex Timer or Ultra Strength & Conditioning have ads?

Ultra Strength & Conditioning shows ads; GymNext Flex Timer does not.

### Which is updated more often, GymNext Flex Timer or Ultra Strength & Conditioning?

GymNext Flex Timer ships an update every 3 weeks, and Ultra Strength & Conditioning every 3 weeks. Most recently, GymNext Flex Timer was updated on October 20, 2026 and Ultra Strength & Conditioning on October 16, 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.*