Sinister Kettlebell

Sinister Kettlebell

formerly Simple and Sinister

30 ratings
20 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • May 14, 2020
  • February 13, 2026

Features

Sinister Kettlebell screenshot #1 for iPhone
Sinister Kettlebell screenshot #2 for iPhone
Sinister Kettlebell screenshot #3 for iPhone
Sinister Kettlebell screenshot #4 for iPhone
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ipad
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About

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.

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
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What's New in Sinister Kettlebell

3.0

February 13, 2026

* A Watch app * UI improvements * Improved history and analytics

More
1

In-App Purchases

$12.99

Premium Version

Unlocks premium features

User reviews

Simple and Efficient App

Straightforward and simple to use. As it should be. The missing ingredient is syncing with Health app for activity tracking.

Not able to access getups

After purchasing premium, I can’t get to “getups” tracker. I finish my swings and the UI just resets to swings again.

Okay, not perfect

It has two timers and some counters, and keeps a bit of history. But it’s got a lot of holes:

- landscape mode completely messes with the layout on my SE iphone
- no haptics or dings or anything to let you know when 60s or 30s has passed
- no way to distinguish 1 hand vs 2 hand swings
- no integration with apple health or watch
- no data export
- no timer for the rest period between getups and swings

It’s all so barebones that I can’t justify paying for the premium edition, which is the only way to even track weights you use.
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Too many small annoyances

The app is okay. I want to like it, but there are too many annoyances.

1. Dark mode issues. There is no in-app way to change from light to dark mode, you have to go all the way to system settings. Additionally, you can’t see the weights in your history while in dark mode.

2. Timer annoyances. I can understand the appeal to a simple timer, but sometimes I forget to click the button at the start. Would love the ability to tack on time manually to estimate stuff that I forgot to properly tracker.

3. Weight tracking annoyances. Wish I could change the weight of lifts either during the lifting session or in the history. This is especially true when I want to try a heavier weight, but might miss it and don’t want to improperly track things.

4. Lacking reports. Would like the reports to show my progress from S to S+ in some way. Even just an average/total weight lifted for swings/TGUs would be nice.

Even with all these critiques, I’m gonna keep using the app because it provides some value. It just leaves quite a bit to be desired.
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Nearly great

Simple, as it should be. Unfortunately weights reset ever time to 8kg you need to correct that manually for every set. Also the stop-button has no functionality.

Response from developer

Appreciate the feedback. A new version is coming that does address the weights. I'll look into the stop button functionality and hopefully bundle that up in the new release as well.

FAQ

What is the Sinister Kettlebell app?

Sinister Kettlebell is a fitness app designed to help users master the Simple & Sinister kettlebell training program. It allows you to track your kettlebell swings and Turkish get-ups, log your workout details, and monitor your progress over time. The app also provides an introduction to the program and links to instructional videos.

What are the key features of Sinister Kettlebell?

Key features include the ability to track and log kettlebell swings, get-ups, and the time taken for each workout. It offers a comprehensive workout history to monitor progress, an introduction to the Simple & Sinister program, and links to instructional YouTube videos for proper form. Premium users gain access to a complete workout history and in-app timers.

How much does Sinister Kettlebell cost?

The app is free to download and use with basic features. An optional Premium mode is available for purchase, which unlocks advanced features like a complete workout history and in-app timers for swings and get-ups. This is a one-time in-app purchase.

Who is the target audience for this app?

This app is intended for anyone interested in the Simple & Sinister kettlebell program, whether they are beginners looking to learn the fundamentals or experienced kettlebell enthusiasts aiming to refine their technique and track their progress efficiently.

What is the Simple & Sinister program?

The Simple & Sinister program is a kettlebell training methodology that focuses on two fundamental exercises: the kettlebell swing and the Turkish get-up. It is known for its efficiency in building strength and conditioning with minimal equipment. The app provides a concise introduction to its principles.