# Loop vs SubZero

The clearest difference is in-app purchases: Loop at none against SubZero's 2. Loop also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. SubZero sells 2 in-app purchases, starting at $4.99 per month. Loop asks for nothing beyond the download.

Loop ships an update every 5 weeks, SubZero monthly. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Loop | SubZero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 31 MB | 13 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Vidal Aedo](https://appshunter.io/developer/1877951711) | [emirhan cifci](https://appshunter.io/developer/1837498715) |

## What reviewers say

### Loop

[App page](https://appshunter.io/ios/app/loop-suscripciones-y-gastos/id6759299750)

**Features:** macOS Compatibility

**In-app purchases:** none


### SubZero

[App page](https://appshunter.io/ios/app/subzero-subscription-tracker/id6760584552)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SubZero Pro Monthly | $4.99 | per month |
| SubZero Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Loop free?

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

### Is SubZero free?

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

### Do Loop or SubZero have ads?

SubZero shows ads; Loop does not.

### Which is updated more often, Loop or SubZero?

Loop ships an update every 5 weeks, and SubZero monthly. Most recently, Loop was updated on October 2, 2026 and SubZero on October 18, 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.*