# Perdecionline vs Erzstore

The clearest difference is update cadence: Perdecionline at daily against Erzstore's every 10 months. Erzstore's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.5). On price, ads and in-app purchases there is nothing between them.

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

Perdecionline ships an update daily, Erzstore every 10 months. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Perdecionline | Erzstore |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 10 months |
| Size | 9 MB | 28 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [sandokan](https://appshunter.io/developer/547924139) | [AKINSOFT](https://appshunter.io/developer/562518135) |

## What reviewers say

### Perdecionline

[App page](https://appshunter.io/ios/app/perdecionline-measure/id557533763)

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

**In-app purchases:** none


### Erzstore

[App page](https://appshunter.io/ios/app/erzstore/id1607243171)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Perdecionline free?

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

### Is Erzstore free?

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

### Do Perdecionline or Erzstore have ads?

Neither Perdecionline nor Erzstore shows ads.

### Which is updated more often, Perdecionline or Erzstore?

Perdecionline ships an update daily, and Erzstore every 10 months. Most recently, Perdecionline was updated on October 4, 2026 and Erzstore on October 13, 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.*