# Flex AI Workout Trainer & Log vs Avatone

The clearest difference is ads: Flex AI Workout Trainer & Log at none against Avatone's shown. Flex AI Workout Trainer & Log also leads on ratings volume (2.4K vs 524). Avatone's advantage is monetization model (free vs freemium) and review sentiment (94% vs 69%). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Flex AI Workout Trainer & Log sells 8 in-app purchases, starting at $1.99 per month and Avatone sells 10 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Avatone holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 2.4K and 524 respectively. Written reviews point the same way: 69% of Flex AI Workout Trainer & Log's written reviews are positive against 94% of Avatone's.

Flex AI Workout Trainer & Log ships an update every 9 days, Avatone fortnightly. The most recent releases landed on September 29, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Flex AI Workout Trainer & Log | Avatone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (2.4K ratings)](https://appshunter.io/ios/app/flex-ai-workout-trainer-and-log/id1446354547/reviews) | **[4.9 (524 ratings)](https://appshunter.io/ios/app/avatone-fun-workout-tracker/id6743415879/reviews)** |
| Number of ratings | **2.4K** | 524 |
| Positive reviews | 69.3% of reviews | **94.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Freemium | **Free** |
| Size | 574 MB | 192 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Flex Artificial Intelligence Inc.](https://appshunter.io/developer/1446354546) | [Avatone Technology](https://appshunter.io/developer/1802718324) |

## What reviewers say

### Flex AI Workout Trainer & Log

[App page](https://appshunter.io/ios/app/flex-ai-workout-trainer-and-log/id1446354547)

This app uses AI to provide personalized workout plans and real-time form feedback for weightlifters. It tracks progress, offers adaptive progression, and includes motivational features like leaderboards and streaks. It's designed for all experience levels, from beginners to pros.

**Highlights:** AI personal trainer, Real-time form feedback, Personalized workout plans, Adaptive progression, Strength tracking, Community leaderboards, Apple Watch integration

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription Monthly | $1.99 | per month |
| Premium Plus Monthly | $2.99 | per month |
| Premium Yearly Subscription | $9.99 | per year |
| Premium Plus Family Monthly | $9.99 | per month |
| Premium Plus Yearly | $19.99 | per year |
| Premium Plus Family Yearly | $49.99 | per year |
| 1 Month Free Premium | Free | one-time |
| Lifetime Free Premium | Free | one-time |

**What reviewers like**

- 🚀 Detailed workout tracking
- 👍 Customizable workouts
- 🔒 Comprehensive exercise library
- 💡 Helpful progress tracking
- 👍 Clean and intuitive interface

**What reviewers complain about**

- 🐛 Glitches and bugs
- 💰 Expensive premium subscription
- 🔒 Limited functionality without premium
- 🐛 Inconsistent rest timer
- 🐛 Workout data loss

**Reported bugs**

- App crashes on iOS 16 update
- Inability to log workouts on previous days
- Inconsistent syncing between app and Apple Watch

**Requested features**

- Offline workout mode
- Ability to save and reuse custom workout plans
- Muscle group targeting and analytics
- Social features and community integration


### Avatone

[App page](https://appshunter.io/ios/app/avatone-fun-workout-tracker/id6743415879)

This app transforms your fitness progress into a visual avatar that grows stronger with every workout. Log various exercises, set personalized goals, and stay motivated with an engaging leveling system and real-time performance insights. It's designed to make your fitness journey rewarding and fun.

**Highlights:** Workout logging (reps, sets, cardio), Avatar fitness system, Strength and cardio tracking, Real-time performance insights, Customizable fitness goals, Workout history log

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Avatone Max Monthly | $9.99 | per month |
| Avatone Max Annual | $59.99 | per year |
| Fistful of Aether | $0.99 | one-time |
| Founders Bundle (Male) | $4.99 | one-time |
| Founders Bundle (Female) | $4.99 | one-time |
| Shaker of Aether | $4.99 | one-time |
| Cache of Aether | $9.99 | one-time |
| Vault of Aether | $19.99 | one-time |
| Dragon Hoard of Aether | $49.99 | one-time |
| Cataclysm of Aether | $99.99 | one-time |

**What reviewers like**

- 👍 Motivating and productive workouts
- 🚀 Effective tier system and ranking
- 💡 Engaging and fun approach to fitness
- 👍 Beginner-friendly and easy to use

**What reviewers complain about**

- 🤔 Suggestion to use reps instead of time-based exercises

**Reported bugs**

- Age restriction issue during sign-up

**Requested features**

- Upcoming games and new features
- More customization options


## Frequently asked questions

### Is Flex AI Workout Trainer & Log free?

Flex AI Workout Trainer & Log is free to download, with in-app purchases available.

### Is Avatone free?

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

### Which has better reviews, Flex AI Workout Trainer & Log or Avatone?

Avatone is rated higher. Flex AI Workout Trainer & Log averages 4.6 out of 5 from 2.4K ratings, while Avatone averages 4.9 from 524 ratings.

### Do Flex AI Workout Trainer & Log or Avatone have ads?

Avatone shows ads; Flex AI Workout Trainer & Log does not.

### Which is updated more often, Flex AI Workout Trainer & Log or Avatone?

Flex AI Workout Trainer & Log ships an update every 9 days, and Avatone fortnightly. Most recently, Flex AI Workout Trainer & Log was updated on September 29, 2026 and Avatone on September 27, 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.*