# Kettlebell Functional Training vs Strength Side App

The clearest difference is review sentiment: Kettlebell Functional Training at 71% against Strength Side App's 20%. Kettlebell Functional Training also leads on rating (4.8 vs 3.1) and ratings volume (280 vs 11). Strength Side App's advantage is in-app purchases (none vs 8) and update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kettlebell Functional Training sells 8 in-app purchases, starting at $19.99 per month. Strength Side App asks for nothing beyond the download.

Kettlebell Functional Training holds the better App Store score, 4.8 against 3.1. That said, the two scores are not equally well evidenced: Kettlebell Functional Training has 280 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 71% of Kettlebell Functional Training's written reviews are positive against 20% of Strength Side App's.

Kettlebell Functional Training ships an update every 2 months, Strength Side App every 2 weeks. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Kettlebell Functional Training | Strength Side App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (280 ratings)](https://appshunter.io/ios/app/kettlebell-functional-training/id1603885876/reviews)** | [3.1 (11 ratings)](https://appshunter.io/ios/app/strength-side-app/id6480134501/reviews) |
| Number of ratings | **280** | 11 |
| Positive reviews | **70.6% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 96 MB | 115 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Adriell Mayes](https://appshunter.io/developer/1603885878) | [Strength Side](https://appshunter.io/developer/1738289462) |

## 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, Vision Pro support

**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


### Strength Side App

[App page](https://appshunter.io/ios/app/strength-side-app/id6480134501)

This app offers specialized training programs focused on strength, movement, and mobility. It provides users with tools and guidance to enhance their physical capabilities.

**Highlights:** Strength training programs, Movement training, Mobility exercises, Personalized guidance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kettlebell Functional Training free?

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

### Is Strength Side App free?

Strength Side App is free to download, with no in-app purchases.

### Which has better reviews, Kettlebell Functional Training or Strength Side App?

Kettlebell Functional Training is rated higher. Kettlebell Functional Training averages 4.8 out of 5 from 280 ratings, while Strength Side App averages 3.1 from 11 ratings.

### Do Kettlebell Functional Training or Strength Side App have ads?

Neither Kettlebell Functional Training nor Strength Side App shows ads.

### Which is updated more often, Kettlebell Functional Training or Strength Side App?

Kettlebell Functional Training ships an update every 2 months, and Strength Side App every 2 weeks. Most recently, Kettlebell Functional Training was updated on November 3, 2026 and Strength Side App on October 24, 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.*