# FLEX Stronger vs Exxentric 2.0

The clearest difference is review sentiment: FLEX Stronger at 71% against Exxentric 2.0's 22%. FLEX Stronger also leads on rating (4.4 vs 2.0) and in-app purchases (none vs 4). Exxentric 2.0's advantage is update cadence (fortnightly vs monthly). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Exxentric 2.0 sells 4 in-app purchases, starting at $9.99 per month. FLEX Stronger asks for nothing beyond the download.

FLEX Stronger holds the better App Store score, 4.4 against 2.0. Both are backed by a comparable volume of ratings — 8 and 4 respectively. Written reviews point the same way: 71% of FLEX Stronger's written reviews are positive against 22% of Exxentric 2.0's.

FLEX Stronger ships an update monthly, Exxentric 2.0 fortnightly. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | FLEX Stronger | Exxentric 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (8 ratings)](https://appshunter.io/ios/app/flex-stronger/id1452436164/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/exxentric-20/id6499263331/reviews) |
| Number of ratings | **8** | 4 |
| Positive reviews | **71.4% of reviews** | 22.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 83 MB | 112 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Kinetic Performance](https://appshunter.io/developer/343232407) | [Exxentric AB](https://appshunter.io/developer/979885522) |

## What reviewers say

### FLEX Stronger

[App page](https://appshunter.io/ios/app/flex-stronger/id1452436164)

This app revolutionizes weight training by syncing with a sensor to provide real-time performance feedback. Track, manage, and review your training like elite athletes, with automated workouts and group training options. It offers detailed metrics, video recording with data overlay, and a community feature for sharing and downloading workouts.

**Highlights:** Real-time performance feedback, Velocity-based training (VBT), Automated workouts, Group training for up to three people, Video recording with synced data, 1RM prediction, Workout creation and sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### Exxentric 2.0

[App page](https://appshunter.io/ios/app/exxentric-20/id6499263331)

Enhance your flywheel training with real-time performance data, including force, power, and speed. Track reps, view workout history, and manage client training sessions seamlessly. Connect easily via Bluetooth to compatible devices for comprehensive insights.

**Highlights:** Real-time force, power, and speed data, Rep detection and logging, Workout history and summaries, Client training tracking, Bluetooth connectivity to kMeter devices, Shared workout data viewing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Professional Monthly | $24.99 | per month |
| Premium Yearly | $99.99 | per year |
| Exxentric Professional | $249.99 | per year |


## Frequently asked questions

### Is FLEX Stronger free?

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

### Is Exxentric 2.0 free?

Exxentric 2.0 is free to download, with in-app purchases available.

### Which has better reviews, FLEX Stronger or Exxentric 2.0?

FLEX Stronger is rated higher. FLEX Stronger averages 4.4 out of 5 from 8 ratings, while Exxentric 2.0 averages 2.0 from 4 ratings.

### Do FLEX Stronger or Exxentric 2.0 have ads?

Neither FLEX Stronger nor Exxentric 2.0 shows ads.

### Which is updated more often, FLEX Stronger or Exxentric 2.0?

FLEX Stronger ships an update monthly, and Exxentric 2.0 fortnightly. Most recently, FLEX Stronger was updated on October 4, 2026 and Exxentric 2.0 on October 10, 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.*