# GymBook ・ Strength Training vs Thrive by Katie

The clearest difference is monetization model: GymBook ・ Strength Training at free with in-app purchases against Thrive by Katie's subscription. GymBook ・ Strength Training also leads on ratings volume (2.4K vs 427). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. GymBook ・ Strength Training sells 13 in-app purchases, starting at $1.99 per month and Thrive by Katie sells 6 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for GymBook ・ Strength Training against 4.9 for Thrive by Katie. That said, the two scores are not equally well evidenced: GymBook ・ Strength Training has 2.4K ratings behind it against 427, so its average is the more settled of the two. Written reviews are what separate them: 95% of GymBook ・ Strength Training's written reviews are positive against 100% of Thrive by Katie's.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | GymBook ・ Strength Training | Thrive by Katie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (2.4K ratings)](https://appshunter.io/ios/app/gymbook-strength-training/id650113307/reviews) | **[4.9 (427 ratings)](https://appshunter.io/ios/app/thrive-by-katie/id1528408024/reviews)** |
| Number of ratings | **2.4K** | 427 |
| Positive reviews | 94.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 389 MB | 417 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Appwise GmbH](https://appshunter.io/developer/646751787) | [Katharine Yovin](https://appshunter.io/developer/1528408506) |

## What reviewers say

### GymBook ・ Strength Training

[App page](https://appshunter.io/ios/app/gymbook-strength-training/id650113307)

Create, log, and analyze your gym workouts with this comprehensive fitness app. It offers custom exercise creation, detailed logging, and insightful performance analytics with interactive graphs. Track progress, sync data, and time your rests efficiently.

**Highlights:** Create custom workouts and exercises, Log sets, weight, and reps, Track workout progress with graphs, Adjustable rest timer, Sync data with Health app and Strava, Body measurement tracking

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GymBook Pro · Monthly | $1.99 | per month |
| GymBook Pro · Yearly | $8.99 | per year |
| Timer+ | $3.99 | one-time |
| Themes | $3.99 | one-time |
| Export | $3.99 | one-time |
| Assistant | $3.99 | one-time |
| Cloud | $3.99 | one-time |
| Bronze ・ Package | $5.99 | one-time |
| +Exercises ・ Feature | $5.99 | one-time |
| Silver ・ Package | $6.99 | one-time |
| Gold ・ Package | $12.99 | one-time |
| Platinum ・ Package | $17.99 | one-time |
| GymBook Pro · Lifetime | $22.99 | one-time |

**What reviewers like**

- 💪 Excellent workout tracking
- 🔓 No subscription, one-time purchase
- 👍 Simple and intuitive interface
- 📊 Comprehensive data and progress tracking
- 🤖 Seamless Apple Watch integration

**What reviewers complain about**

- 🕰️ Cumbersome weight/rep selection
- 📚 Limited exercise catalog (some missing)
- 🔀 Difficulty switching between workouts
- 📈 Confusing progress graph visualizations
- 🔍 Lack of search/filter options for exercises

**Reported bugs**

- Occasional syncing issues with Apple Watch
- Workout data sometimes recorded on wrong day

**Requested features**

- Add ability to copy/duplicate workouts
- Implement calendar view for workout history
- Allow manual entry of weights/reps instead of scrolling
- Integrate body measurement tracking and progress graphs
- Add more pre-made workout templates and routines


### Thrive by Katie

[App page](https://appshunter.io/ios/app/thrive-by-katie/id1528408024)

This app offers a comprehensive women's fitness and wellness experience with diverse workout programs, simple nutrition guidance, and an exclusive community for support. It caters to various fitness levels and goals, including prenatal and postnatal care, with effective and efficient routines.

**Highlights:** Pilates, strength, and weight loss programs, Prenatal & postnatal workouts, Home & gym workout options, Video demonstrations, Activity & progress tracking, Healthy recipes with macronutrient breakdowns, Exclusive community support

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $12.99 | per month |
| Monthly Subscription | $24.99 | per month |
| Monthly Subscription | $34.99 | per month |
| Yearly Subscription | $114.99 | per year |
| Yearly Subscription | $189.99 | per year |
| Annual Subscription | $229.99 | per year |


## Frequently asked questions

### Is GymBook ・ Strength Training free?

GymBook ・ Strength Training is free to download, with in-app purchases available.

### Is Thrive by Katie free?

Thrive by Katie is free to download, with in-app purchases available.

### Which has better reviews, GymBook ・ Strength Training or Thrive by Katie?

Thrive by Katie is rated higher. GymBook ・ Strength Training averages 4.8 out of 5 from 2.4K ratings, while Thrive by Katie averages 4.9 from 427 ratings.

### Do GymBook ・ Strength Training or Thrive by Katie have ads?

Neither GymBook ・ Strength Training nor Thrive by Katie shows ads.

### Which is updated more often, GymBook ・ Strength Training or Thrive by Katie?

GymBook ・ Strength Training ships an update weekly, and Thrive by Katie weekly. Most recently, GymBook ・ Strength Training was updated on September 25, 2026 and Thrive by Katie on September 19, 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.*