# Flex AI Workout Trainer & Log vs Easy Muscle

The clearest difference is rating: Flex AI Workout Trainer & Log at 4.6 against Easy Muscle's 1.8. Flex AI Workout Trainer & Log also leads on monetization model (freemium vs subscription) and ratings volume (2.4K vs 17). Easy Muscle's advantage is device support (4 vs 2) and iOS requirement (12.0 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Flex AI Workout Trainer & Log sells 8 in-app purchases, starting at $12.99 per month and Easy Muscle sells 20 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Flex AI Workout Trainer & Log holds the better App Store score, 4.6 against 1.8. That said, the two scores are not equally well evidenced: Flex AI Workout Trainer & Log has 2.4K ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 69% of Flex AI Workout Trainer & Log's written reviews are positive against 47% of Easy Muscle's.

Flex AI Workout Trainer & Log ships an update every 9 days, Easy Muscle fortnightly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Flex AI Workout Trainer & Log | Easy Muscle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (2.4K ratings)](https://appshunter.io/ios/app/flex-ai-workout-trainer-and-log/id1446354547/reviews)** | [1.8 (17 ratings)](https://appshunter.io/ios/app/easy-muscle/id6472431134/reviews) |
| Number of ratings | **2.4K** | 17 |
| Positive reviews | **69.0% of reviews** | 47.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | **Freemium** | Subscription |
| Size | 574 MB | 408 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Flex Artificial Intelligence Inc.](https://appshunter.io/developer/1446354546) | [Rhythm wave Technology Limited](https://appshunter.io/developer/1545365746) |

## 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 | $12.99 | per month |
| Premium Plus Monthly | $29.99 | per month |
| Premium Plus Family Monthly | $69.99 | per month |
| Premium Yearly Subscription | $79.99 | per year |
| Premium Plus Yearly | $191.99 | per year |
| Premium Plus Family Yearly | $499.99 | 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


### Easy Muscle

[App page](https://appshunter.io/ios/app/easy-muscle/id6472431134)

This AI-powered fitness coach offers personalized workout plans for beginners, requiring no special equipment. Achieve weight loss and muscle gain goals with short, effective routines tailored to your needs and schedule.

**Highlights:** AI-powered personalized workout plans, Beginner-friendly exercises, No special equipment needed, Workouts anytime, anywhere, 28-Day Workout Challenge, 15-minute daily routines

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Easy Muscle Monthly Membership | $9.99 | per month |
| Easy Muscle Monthly | $9.99 | per month |
| 1 month vip | $19.99 | per month |
| Easy Muscle Membership | $29.99 | per month |
| Easy Muscle vip 12 Month 29.99 | $29.99 | per year |
| 12 Month VIP | $29.99 | per year |
| Easy Muscle Yearly Membership | $29.99 | per year |
| EM VIP 12 Monthly 35.99 | $35.99 | per year |
| Easy Muscle Membership | $39.99 | per year |
| EasyMuscle Halfyear Membership | $39.99 | per 6 months |
| Monthly Membership (6 Month) | $39.99 | per 6 months |
| Easy Muscle Membership | $49.99 | per 6 months |
| EM Membership(Free Trial) | $49.99 | per year |
| Easy Muscle Yearly Membership | $49.99 | per year |
| Easy Muscle Membership 12Month | $49.99 | per year |
| 12 month vip | $59.99 | per year |
| Easy Muscle Membership | $39.99 | one-time |
| Member Yearly Cashback 49.99 | $49.99 | one-time |
| Easy Muscle Membership | $59.99 | one-time |
| Easy Muscle Membership | $79.99 | one-time |


## 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 Easy Muscle free?

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

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

Flex AI Workout Trainer & Log is rated higher. Flex AI Workout Trainer & Log averages 4.6 out of 5 from 2.4K ratings, while Easy Muscle averages 1.8 from 17 ratings.

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

Neither Flex AI Workout Trainer & Log nor Easy Muscle shows ads.

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

Flex AI Workout Trainer & Log ships an update every 9 days, and Easy Muscle fortnightly. Most recently, Flex AI Workout Trainer & Log was updated on October 29, 2026 and Easy Muscle on October 24, 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.*