# Zen Optimizer vs Shrinkly

The clearest difference is in-app purchases: Zen Optimizer at none against Shrinkly's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Shrinkly sells 1 one-off in-app purchase. Zen Optimizer asks for nothing beyond the download.

Zen Optimizer ships an update fortnightly, Shrinkly every 2 weeks. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Zen Optimizer | Shrinkly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 3 MB | 1 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Davide Zanon](https://appshunter.io/developer/1835284463) | [Jhomar Maravillas](https://appshunter.io/developer/6783703541) |

## What reviewers say

### Zen Optimizer

[App page](https://appshunter.io/ios/app/zen-optimizer-free-space/id6766319080)

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

**In-app purchases:** none


### Shrinkly

[App page](https://appshunter.io/ios/app/shrinkly-compress-video/id6790665233)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is Zen Optimizer free?

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

### Is Shrinkly free?

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

### Do Zen Optimizer or Shrinkly have ads?

Neither Zen Optimizer nor Shrinkly shows ads.

### Which is updated more often, Zen Optimizer or Shrinkly?

Zen Optimizer ships an update fortnightly, and Shrinkly every 2 weeks. Most recently, Zen Optimizer was updated on November 9, 2026 and Shrinkly on October 31, 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.*