# SubZero Gym vs Octane

The clearest difference is ads: SubZero Gym at none against Octane's shown. SubZero Gym also leads on update cadence (every 3 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. SubZero Gym sells 10 in-app purchases, starting at $3.99 per month and Octane sells 8 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

SubZero Gym ships an update every 3 days, Octane weekly. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SubZero Gym | Octane |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Size | 92 MB | 82 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ShadowPing LLC](https://appshunter.io/developer/1826310023) | [Aryaman Dubey](https://appshunter.io/developer/1696138179) |

## What reviewers say

### SubZero Gym

[App page](https://appshunter.io/ios/app/subzero-gym/id6755252688)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $3.99 | per month |
| Pro Monthly | $7.99 | per month |
| Elite Monthly | $14.99 | per month |
| Pro+ Monthly | $15.99 | per month |
| Elite+ Monthly | $29.99 | per month |
| Basic Annual | $39.99 | per year |
| Pro Annual | $79.99 | per year |
| Elite Annual | $149.99 | per year |
| Pro+ Annual | $159.99 | per year |
| Elite+ Annual | $299.99 | per year |


### Octane

[App page](https://appshunter.io/ios/app/octane-ai-workout-tracker/id6761013953)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Core Plan | $2.99 | per month |
| Athlete Plan | $6.99 | per month |
| Olympian Plan | $12.99 | per month |
| Core Plan | $24.90 | per year |
| Athlete Plan | $69.90 | per year |
| Olympian Plan | $129.99 | per year |
| 5 Streak Freezes | $1.99 | one-time |
| 15 Streak Freezes | $4.99 | one-time |


## Frequently asked questions

### Is SubZero Gym free?

SubZero Gym is free to download, with in-app purchases available.

### Is Octane free?

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

### Do SubZero Gym or Octane have ads?

Octane shows ads; SubZero Gym does not.

### Which is updated more often, SubZero Gym or Octane?

SubZero Gym ships an update every 3 days, and Octane weekly. Most recently, SubZero Gym was updated on October 5, 2026 and Octane on October 10, 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.*