# Thrive by Katie vs Fittest Core

The clearest difference is update cadence: Thrive by Katie at weekly against Fittest Core's monthly. Thrive by Katie also leads on ratings volume (432 vs 104). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Thrive by Katie sells 6 in-app purchases, starting at $12.99 per month and Fittest Core sells 4 in-app purchases, starting at $34.99 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 — 4.9 for Thrive by Katie against 4.9 for Fittest Core. Both are backed by a comparable volume of ratings — 432 and 104 respectively. Written reviews are what separate them: 100% of Thrive by Katie's written reviews are positive against 96% of Fittest Core's.

Thrive by Katie ships an update weekly, Fittest Core monthly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Thrive by Katie | Fittest Core |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (432 ratings)](https://appshunter.io/ios/app/thrive-by-katie/id1528408024/reviews)** | [4.9 (104 ratings)](https://appshunter.io/ios/app/fittest-core/id1567356990/reviews) |
| Number of ratings | **432** | 104 |
| Positive reviews | **100.0% of reviews** | 95.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Subscription | Subscription |
| Size | 417 MB | 67 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Katharine Yovin](https://appshunter.io/developer/1528408506) | [Macy Conger](https://appshunter.io/developer/1567356992) |

## What reviewers say

### 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 |


### Fittest Core

[App page](https://appshunter.io/ios/app/fittest-core/id1567356990)

This app offers tailored pre and postnatal workouts designed by a certified trainer to guide women through pregnancy, labor, and postpartum recovery. It includes programs for pelvic floor strength, birth preparation, diastasis recti healing, and progressive muscle building, with weekly content updates and community support.

**Highlights:** Tailored workouts for pregnancy and postpartum, Pelvic floor strength and relaxation exercises, Diastasis recti healing programs, Progressive overload for muscle building, Weekly new workout content, Supportive community forum, Monthly fitness challenges

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fittest Core Monthly | $34.99 | per month |
| Monthly | $34.99 | per month |
| Fittest Core Yearly | $299.99 | per year |
| Annual | $299.99 | per year |

**What reviewers like**

- 👍 Easy to use app
- 💪 Effective workouts
- 🤰 Great for pregnancy
- 🤱 Amazing postpartum support
- 👩‍🏫 Relatable instructor

**What reviewers complain about**

- 🗣️ Too much talking/explanation
- 🔊 Poor sound quality
- ⏩ Videos too fast/slow
- 🤔 Unclear if information is original
- 📱 Lack of timers/titles in videos

**Reported bugs**

- Sound quality issues in some videos
- Videos are too slow and too fast simultaneously

**Requested features**

- App checks off completed workouts
- Ability to mark completed workouts
- Timers and titles within workout videos


## Frequently asked questions

### Is Thrive by Katie free?

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

### Is Fittest Core free?

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

### Which has better reviews, Thrive by Katie or Fittest Core?

Thrive by Katie is rated higher. Thrive by Katie averages 4.9 out of 5 from 432 ratings, while Fittest Core averages 4.9 from 104 ratings.

### Do Thrive by Katie or Fittest Core have ads?

Neither Thrive by Katie nor Fittest Core shows ads.

### Which is updated more often, Thrive by Katie or Fittest Core?

Thrive by Katie ships an update weekly, and Fittest Core monthly. Most recently, Thrive by Katie was updated on October 25, 2026 and Fittest Core on October 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.*