# SCANNERSAFE vs ReadSync

The clearest difference is update cadence: SCANNERSAFE at every 8 days against ReadSync's every 3 weeks. SCANNERSAFE also leads on iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SCANNERSAFE sells 4 in-app purchases, starting at $1.99 per 7 days and ReadSync sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SCANNERSAFE ships an update every 8 days, ReadSync every 3 weeks. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | SCANNERSAFE | ReadSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Size | 13 MB | 4 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 17+ | +4 |
| Developer | [Lupu George](https://appshunter.io/developer/1817815686) | [Alper Albayrak](https://appshunter.io/developer/993200227) |

## What reviewers say

### SCANNERSAFE

[App page](https://appshunter.io/ios/app/scannersafe/id6749207455)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $3.99 | per month |
| 6-Months | $17.99 | per 6 months |
| Annual | $24.99 | per year |


### ReadSync

[App page](https://appshunter.io/ios/app/readsync-pdf-reader/id6761561640)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $7.99 | one-time |


## Frequently asked questions

### Is SCANNERSAFE free?

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

### Is ReadSync free?

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

### Do SCANNERSAFE or ReadSync have ads?

Neither SCANNERSAFE nor ReadSync shows ads.

### Which is updated more often, SCANNERSAFE or ReadSync?

SCANNERSAFE ships an update every 8 days, and ReadSync every 3 weeks. Most recently, SCANNERSAFE was updated on November 12, 2026 and ReadSync on November 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.*