# NS Boxing vs Kettlebell Lab

The clearest difference is review sentiment: Kettlebell Lab at 100% against NS Boxing's 50%. Kettlebell Lab also leads on price (Free vs $0.99) and rating (5.0 vs 3.2). NS Boxing's advantage is in-app purchases (none vs 3) and ratings volume (5 vs 1). On ads and device support there is nothing between them.

Kettlebell Lab is free to download; NS Boxing costs $0.99 up front. Kettlebell Lab sells 3 in-app purchases, starting at $4.99 per month. NS Boxing asks for nothing beyond the download.

Kettlebell Lab holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: NS Boxing has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of NS Boxing's written reviews are positive against 100% of Kettlebell Lab's.

NS Boxing ships an update every 9 months, Kettlebell Lab every 5 days. The most recent releases landed on October 23, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | NS Boxing | Kettlebell Lab |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/ns-boxing/id620741451/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kettlebell-lab/id6760519461/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 days** |
| Monetization | Paid | **Freemium** |
| Size | 32 MB | 20 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Polemics Applications LLC](https://appshunter.io/developer/482504032) | [Anatomical Consulting LLC](https://appshunter.io/developer/1868127660) |

## What reviewers say

### NS Boxing

[App page](https://appshunter.io/ios/app/ns-boxing/id620741451)

This app provides guided boxing workout sessions with customizable round times and voice-guided punch combinations. It offers professional-quality callouts to maximize training effectiveness for all skill levels. The interface is designed for ease of use, even while wearing gloves.

**Highlights:** Customizable workout sessions, Voice-guided punch combinations, Adjustable round times and rest periods, Standard boxing number system or full punch names, Journal tool for progress tracking, Preset combinations designed by professionals

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Kettlebell Lab

[App page](https://appshunter.io/ios/app/kettlebell-lab/id6760519461)

This app offers personalized kettlebell training with expert-designed programs and customizable workout builders. Track your progress, heart rate with Apple Watch, and utilize various interval training modes. Access a comprehensive exercise library for effective strength building.

**Highlights:** 36 expert-designed programs, Custom multi-week plan builder, Quick workout options, Tabata and HIIT modes, Apple Watch heart rate tracking, Exercise library with videos, Live Activity for Lock Screen tracking

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kettlebell Lab Premium | $4.99 | per month |
| Kettlebell Lab Premium | $39.99 | per year |
| Lifetime Access | $79.99 | one-time |


## Frequently asked questions

### Is NS Boxing free?

NS Boxing costs $0.99, with no in-app purchases.

### Is Kettlebell Lab free?

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

### Which has better reviews, NS Boxing or Kettlebell Lab?

Kettlebell Lab is rated higher. NS Boxing averages 3.2 out of 5 from 5 ratings, while Kettlebell Lab averages 5.0 from 1 ratings.

### Do NS Boxing or Kettlebell Lab have ads?

Neither NS Boxing nor Kettlebell Lab shows ads.

### Which is updated more often, NS Boxing or Kettlebell Lab?

NS Boxing ships an update every 9 months, and Kettlebell Lab every 5 days. Most recently, NS Boxing was updated on October 23, 2026 and Kettlebell Lab on October 17, 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.*