# SANDNEK vs Zen Optimizer

The clearest difference is in-app purchases: Zen Optimizer at none against SANDNEK's 7. SANDNEK's advantage is update cadence (weekly vs fortnightly) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. SANDNEK sells 7 one-off in-app purchases. Zen Optimizer asks for nothing beyond the download.

SANDNEK ships an update weekly, Zen Optimizer fortnightly. Both last shipped on October 25, 2026.

## The numbers

| Metric | SANDNEK | Zen Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 78 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [MAZAWID AIN ESTABLISHMENT FOR TRADING](https://appshunter.io/developer/1814844006) | [Davide Zanon](https://appshunter.io/developer/1835284463) |

## What reviewers say

### SANDNEK

[App page](https://appshunter.io/ios/app/sandnek/id6758921058)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 coins | $1.99 | one-time |
| 30 Coins | $9.99 | one-time |
| 60 Coins | $19.99 | one-time |
| 120 Coins | $39.99 | one-time |
| 240 Coins | $79.99 | one-time |
| 480 Coins | $159.99 | one-time |
| 960 Coins | $319.99 | one-time |


### Zen Optimizer

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

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

**In-app purchases:** none


## Frequently asked questions

### Is SANDNEK free?

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

### Is Zen Optimizer free?

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

### Do SANDNEK or Zen Optimizer have ads?

Neither SANDNEK nor Zen Optimizer shows ads.

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

SANDNEK ships an update weekly, and Zen Optimizer fortnightly. Most recently, SANDNEK was updated on October 25, 2026 and Zen Optimizer on October 25, 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.*