# Piggy Knowledge vs Storalink

The clearest difference is in-app purchases: Storalink at none against Piggy Knowledge's 1. Piggy Knowledge's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Piggy Knowledge sells 1 one-off in-app purchase. Storalink asks for nothing beyond the download.

## The numbers

| Metric | Piggy Knowledge | Storalink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 50 MB | 9 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Rolling Pig Studio](https://appshunter.io/developer/1039625108) | [Yunze Zhao](https://appshunter.io/developer/1726287487) |

## What reviewers say

### Piggy Knowledge

[App page](https://appshunter.io/ios/app/piggy-knowledge/id6466038846)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |


### Storalink

[App page](https://appshunter.io/ios/app/storalink/id6476246923)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Piggy Knowledge free?

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

### Is Storalink free?

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

### Do Piggy Knowledge or Storalink have ads?

Neither Piggy Knowledge nor Storalink shows ads.

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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.*