# HASfit vs Flex AI Workout Trainer & Log

The clearest difference is ads: Flex AI Workout Trainer & Log at none against HASfit's shown. HASfit's advantage is review sentiment (93% vs 69%) and rating (4.9 vs 4.6). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. HASfit sells 2 in-app purchases, starting at $6.99 per month and Flex AI Workout Trainer & Log sells 8 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

HASfit holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 7.1K and 2.4K respectively. Written reviews point the same way: 93% of HASfit's written reviews are positive against 69% of Flex AI Workout Trainer & Log's.

HASfit ships an update fortnightly, Flex AI Workout Trainer & Log every 9 days. Both last shipped on October 17, 2026.

## The numbers

| Metric | HASfit | Flex AI Workout Trainer & Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7.1K ratings)](https://appshunter.io/ios/app/hasfit-home-workout-programs/id839432729/reviews)** | [4.6 (2.4K ratings)](https://appshunter.io/ios/app/flex-ai-workout-trainer-and-log/id1446354547/reviews) |
| Number of ratings | **7.1K** | 2.4K |
| Positive reviews | **93.0% of reviews** | 69.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 87 MB | 574 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [HASFit](https://appshunter.io/developer/839432732) | [Flex Artificial Intelligence Inc.](https://appshunter.io/developer/1446354546) |

## What reviewers say

### HASfit

[App page](https://appshunter.io/ios/app/hasfit-home-workout-programs/id839432729)

Access over 1,000 on-demand home workout routines and exercise plans for all fitness levels and goals. Follow complete fitness programs for faster results, download videos for offline use, and stream workouts to your TV. Customize routines and discover new workouts added weekly.

**Highlights:** Over 1,000 on-demand home workout routines, Exercise plans for all fitness levels, Download videos for offline viewing, Stream workouts to TV, Customizable workout modifications, New workouts added weekly

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HASfit Subscription One Month | $6.99 | per month |
| HASfit Subscription One Year | $49.99 | per year |

**What reviewers like**

- 🚀 Fantastic home workout app
- 👍 Great Workout Videos
- 👍 Effective and fun workout programs
- 👍 Great for Seniors
- 👍 They are the best

**What reviewers complain about**

- 🐛 Clunky on IPad
- 🐛 Frustrating Pop-Ups
- 🐛 Cannot login

**Reported bugs**

- App crashes on loading
- Email verification not working

**Requested features**

- 10 min diastasis recti recovery suggestion
- Landscape mode
- Personal calendar to track workouts
- Ability to pause, rewind, and fast forward videos


### 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


## Frequently asked questions

### Is HASfit free?

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

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

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

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

HASfit is rated higher. HASfit averages 4.9 out of 5 from 7.1K ratings, while Flex AI Workout Trainer & Log averages 4.6 from 2.4K ratings.

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

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

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

HASfit ships an update fortnightly, and Flex AI Workout Trainer & Log every 9 days. Most recently, HASfit was updated on October 17, 2026 and Flex AI Workout Trainer & Log on October 17, 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.*