# Gravity Laboratory vs North Side BJJ

The clearest difference is ads: Gravity Laboratory at none against North Side BJJ's shown. North Side BJJ's advantage is update cadence (every 3 months vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Gravity Laboratory ships an update every 7 months, North Side BJJ every 3 months. The most recent releases landed on October 20, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Gravity Laboratory | North Side BJJ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gravity-laboratory/id1457846980/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 214 MB | 77 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Gravity Laboratory](https://appshunter.io/developer/1457846979) | [Coding Solved LLC](https://appshunter.io/developer/1434648184) |

## What reviewers say

### Gravity Laboratory

[App page](https://appshunter.io/ios/app/gravity-laboratory/id1457846980)

This comprehensive fitness platform offers evidence-based exercise programs and classes. Track your daily activities, body metrics, and access over 2000 exercises with 3D demonstrations. It caters to both lifestyle and performance athletes.

**Highlights:** Class schedules and opening hours, Daily fitness activity tracking, Body metrics tracking, 2000+ exercises with 3D demos, Preset and custom workouts, Badge earning system, Apple Health sync

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

**In-app purchases:** none


### North Side BJJ

[App page](https://appshunter.io/ios/app/north-side-bjj/id6476119325)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gravity Laboratory free?

Gravity Laboratory is free to download, with no in-app purchases.

### Is North Side BJJ free?

North Side BJJ is free to download, with no in-app purchases.

### Do Gravity Laboratory or North Side BJJ have ads?

North Side BJJ shows ads; Gravity Laboratory does not.

### Which is updated more often, Gravity Laboratory or North Side BJJ?

Gravity Laboratory ships an update every 7 months, and North Side BJJ every 3 months. Most recently, Gravity Laboratory was updated on October 20, 2026 and North Side BJJ on October 4, 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.*