# Kettlebell Functional Training vs ShredFast

The clearest difference is ads: Kettlebell Functional Training at none against ShredFast's shown. ShredFast's advantage is update cadence (weekly vs every 2 months) and review sentiment (87% vs 71%). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Kettlebell Functional Training sells 8 in-app purchases, starting at $19.99 per month and ShredFast sells 3 in-app purchases, starting at $29.99 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 Kettlebell Functional Training against 4.7 for ShredFast. Both are backed by a comparable volume of ratings — 248 and 89 respectively. Written reviews are what separate them: 71% of Kettlebell Functional Training's written reviews are positive against 87% of ShredFast's.

Kettlebell Functional Training ships an update every 2 months, ShredFast weekly. The most recent releases landed on October 16, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Kettlebell Functional Training | ShredFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (248 ratings)](https://appshunter.io/ios/app/kettlebell-functional-training/id1603885876/reviews)** | [4.7 (89 ratings)](https://appshunter.io/ios/app/shredfast/id6755752514/reviews) |
| Number of ratings | **248** | 89 |
| Positive reviews | 70.6% of reviews | **87.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 93 MB | 199 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Adriell Mayes](https://appshunter.io/developer/1603885878) | [Shred Fast Global](https://appshunter.io/developer/1856102248) |

## What reviewers say

### Kettlebell Functional Training

[App page](https://appshunter.io/ios/app/kettlebell-functional-training/id1603885876)

Achieve your fitness goals with custom workout programs designed for an integrated, balanced approach. This app focuses on varied exercises to prevent injuries and plateaus, maximizing your results and motivating you to move, look, and feel your best.

**Highlights:** Custom workout programs, Integrated, balanced approach, Exercise variety, Injury risk minimization, Plateau prevention, Motivation tools

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memberships | $19.99 | per month |
| Single Kettlebell Program | $79.99 | one-time |
| Single-kettlebell Circuit | $79.99 | one-time |
| Mobility & Kettlebell Flows | $84.99 | one-time |
| Single Kettlebell Functional | $89.99 | one-time |
| Functional Muscle Building | $99.99 | one-time |
| Kettlebells & Bodyweight | $99.99 | one-time |
| Posterior Chain Strength | $99.99 | one-time |

**What reviewers like**

- 👍 Excellent kettlebell programs
- 👍 Inspiring and motivating workouts
- 👍 Great for building strength and muscle
- 👍 High-quality content
- 👍 Easy to follow lessons

**What reviewers complain about**

- 💰 Price is ridiculous
- 👎 No explanation of exercises
- 👎 No option to adjust repetitions
- 👎 Beginner course not beginner-friendly
- 👎 Some videos don't pop up

**Reported bugs**

- 🐛 Program week missing days
- 🐛 Some videos don't pop up
- 🐛 Videos not edited to show exact flow
- 🐛 In-app videos don't work for some plans

**Requested features**

- 💡 Ability to favorite exercises
- 💡 Input kettlebell weight and track progression
- 💡 Recommended beginner weights/tiers
- 💡 Recommended RPE per set
- 💡 Coaching cues for exercises


### ShredFast

[App page](https://appshunter.io/ios/app/shredfast/id6755752514)

Access a growing library of kettlebell and bodyweight HIIT workouts for all levels. Track progress, join a supportive global community, and utilize comprehensive nutrition and mindset plans for lasting wellbeing.

**Highlights:** Kettlebell and bodyweight HIIT workouts, Progress tracking with 'ShredFast hours', Global supportive community, Weekly workouts, Flexible session lengths, Nutrition and mindset plans

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $29.99 | per month |
| 12 Months plan | $179.99 | per year |
| 6 Months plan | $289.99 | per 6 months |


## Frequently asked questions

### Is Kettlebell Functional Training free?

Kettlebell Functional Training is free to download, with in-app purchases available.

### Is ShredFast free?

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

### Which has better reviews, Kettlebell Functional Training or ShredFast?

Kettlebell Functional Training is rated higher. Kettlebell Functional Training averages 4.8 out of 5 from 248 ratings, while ShredFast averages 4.7 from 89 ratings.

### Do Kettlebell Functional Training or ShredFast have ads?

ShredFast shows ads; Kettlebell Functional Training does not.

### Which is updated more often, Kettlebell Functional Training or ShredFast?

Kettlebell Functional Training ships an update every 2 months, and ShredFast weekly. Most recently, Kettlebell Functional Training was updated on October 16, 2026 and ShredFast on October 20, 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.*