# Fitness Planner Gym・Workout AI vs WorkoutStack

The clearest difference is update cadence: WorkoutStack at weekly against Fitness Planner Gym・Workout AI's every 6 weeks. Fitness Planner Gym・Workout AI's advantage is iOS requirement (16.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Fitness Planner Gym・Workout AI sells 7 in-app purchases, starting at $5.99 per 7 days and WorkoutStack sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Fitness Planner Gym・Workout AI ships an update every 6 weeks, WorkoutStack weekly. The most recent releases landed on September 26, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Fitness Planner Gym・Workout AI | WorkoutStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.9K ratings)](https://appshunter.io/ios/app/fitness-planner-gymworkout-ai/id1665617526/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 178 MB | 29 MB |
| Requires iOS | **16.0** | 26.2 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FUTURE SOFT YAZILIM BILISIM DANISMANLIK HIZMETLERI TICARET ANONIM SIRKETI](https://appshunter.io/developer/1546447225) | [Neurondigital Ltd](https://appshunter.io/developer/1501534441) |

## What reviewers say

### Fitness Planner Gym・Workout AI

[App page](https://appshunter.io/ios/app/fitness-planner-gymworkout-ai/id1665617526)

This app provides AI-powered personalized workout plans for muscle building and weight loss. It offers a vast library of exercises for both home and gym, acting as a virtual fitness coach to track progress and answer fitness-related questions.

**Highlights:** AI-powered personalized workout plans, Muscle building and weight loss focus, Home and gym workout options, Extensive exercise library (3700+), AI fitness coach and chatbot, Workout tracking and progress reports

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Workout Pro Weekly | $5.99 | per 7 days |
| Workout Pro Monthly | $12.99 | per month |
| Workout Pro 6-Monthly | $59.99 | per 6 months |
| Workout Pro Yearly | $99.99 | per year |
| Workout Pro Yearly | $99.99 | per year |
| Workout Pro Yearly | $99.99 | per year |
| Lifetime Pro | $159.00 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient workout planning
- 💪 Effective workouts
- 🏆 Motivating
- 🏠 Suitable for home workouts

**What reviewers complain about**

- 💰 Requires paid subscription
- 🔒 Limited free features
- 🕰️ Inconsistent timer functionality
- 🔄 Difficulty modifying routines

**Reported bugs**

- Inconsistent weight tracking
- Occasional app crashes
- Compatibility issues with older devices

**Requested features**

- Sync with Apple Watch
- Integration with health apps
- More customization options
- Post-workout stretching exercises
- Monthly workout scheduling


### WorkoutStack

[App page](https://appshunter.io/ios/app/workoutstack-workout-tracker/id6772119478)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WorkoutStack Monthly Plan | $4.99 | per month |
| WorkoutStack Yearly Plan | $24.99 | per year |
| WorkoutStack Tracker Lifetime Plan | $59.99 | one-time |


## Frequently asked questions

### Is Fitness Planner Gym・Workout AI free?

Fitness Planner Gym・Workout AI is free to download, with in-app purchases available.

### Is WorkoutStack free?

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

### Do Fitness Planner Gym・Workout AI or WorkoutStack have ads?

Neither Fitness Planner Gym・Workout AI nor WorkoutStack shows ads.

### Which is updated more often, Fitness Planner Gym・Workout AI or WorkoutStack?

Fitness Planner Gym・Workout AI ships an update every 6 weeks, and WorkoutStack weekly. Most recently, Fitness Planner Gym・Workout AI was updated on September 26, 2026 and WorkoutStack on September 8, 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.*