# Sinister Kettlebell vs BELLS, Kettlebell Workouts

The clearest difference is rating: BELLS, Kettlebell Workouts at 4.8 against Sinister Kettlebell's 4.0. BELLS, Kettlebell Workouts also leads on review sentiment (100% vs 67%) and iOS requirement (15.6 vs 26.0). Sinister Kettlebell's advantage is update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Sinister Kettlebell sells 1 one-off in-app purchase and BELLS, Kettlebell Workouts sells 12 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

BELLS, Kettlebell Workouts holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 30 and 27 respectively. Written reviews point the same way: 67% of Sinister Kettlebell's written reviews are positive against 100% of BELLS, Kettlebell Workouts's.

Sinister Kettlebell ships an update every 3 weeks, BELLS, Kettlebell Workouts every 2 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sinister Kettlebell | BELLS, Kettlebell Workouts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (30 ratings)](https://appshunter.io/ios/app/sinister-kettlebell/id1513275382/reviews) | **[4.8 (27 ratings)](https://appshunter.io/ios/app/bells-kettlebell-workouts/id1554919084/reviews)** |
| Number of ratings | **30** | 27 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 9 MB | 85 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Lyons](https://appshunter.io/developer/1352747539) | [Janus movement solutions LLC](https://appshunter.io/developer/1554919266) |

## What reviewers say

### Sinister Kettlebell

[App page](https://appshunter.io/ios/app/sinister-kettlebell/id1513275382)

Master the Simple & Sinister kettlebell program with this fitness app. Track swings and get-ups, view progress, and access instructional videos. Upgrade for advanced tracking and timers.

**Highlights:** Track kettlebell swings and get-ups, Log workout time and details, Comprehensive workout history, Introduction to Simple & Sinister program, Instructional YouTube video links, In-app timers for workouts

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sinister Premium | $12.99 | one-time |


### BELLS, Kettlebell Workouts

[App page](https://appshunter.io/ios/app/bells-kettlebell-workouts/id1554919084)

This app guides and tracks kettlebell workouts, allowing users to program and share custom routines. It offers QuickStart features for immediate training and the ability to add custom skills with video links. Premium content includes monthly new workouts and professionally designed programs.

**Highlights:** Custom workout programming, Workout sharing, QuickStart features (Ladder, EMOM, Straight Sets, Custom), Add custom skills and video links, Workout history tracking, Monthly premium workouts, Professionally designed workout programs

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Monthly | $9.99 | per month |
| Annually | $89.99 | per year |
| Program A1 | $0.29 | one-time |
| Program B1 | $1.99 | one-time |
| Program B3 | $4.99 | one-time |
| Program C2 | $19.99 | one-time |
| Program C4 | $29.99 | one-time |
| Program C5 | $39.99 | one-time |
| Program D1 | $59.99 | one-time |
| Program D4 | $89.99 | one-time |
| Program E2 | $149.99 | one-time |


## Frequently asked questions

### Is Sinister Kettlebell free?

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

### Is BELLS, Kettlebell Workouts free?

BELLS, Kettlebell Workouts is free to download, with in-app purchases available.

### Which has better reviews, Sinister Kettlebell or BELLS, Kettlebell Workouts?

BELLS, Kettlebell Workouts is rated higher. Sinister Kettlebell averages 4.0 out of 5 from 30 ratings, while BELLS, Kettlebell Workouts averages 4.8 from 27 ratings.

### Do Sinister Kettlebell or BELLS, Kettlebell Workouts have ads?

Neither Sinister Kettlebell nor BELLS, Kettlebell Workouts shows ads.

### Which is updated more often, Sinister Kettlebell or BELLS, Kettlebell Workouts?

Sinister Kettlebell ships an update every 3 weeks, and BELLS, Kettlebell Workouts every 2 months. Most recently, Sinister Kettlebell was updated on October 20, 2026 and BELLS, Kettlebell Workouts 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.*