# ReadSync vs PDF Expert Lite

The clearest difference is device support: ReadSync at 3 against PDF Expert Lite's 1. ReadSync also leads on iOS requirement (18.0 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ReadSync sells 1 one-off in-app purchase and PDF Expert Lite sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReadSync ships an update every 2 months, PDF Expert Lite every 3 months. The most recent releases landed on October 8, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | ReadSync | PDF Expert Lite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 4 MB | 6 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Alper Albayrak](https://appshunter.io/developer/993200227) | [APP TEAM](https://appshunter.io/developer/1892958531) |

## What reviewers say

### 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 | $19.99 | one-time |


### PDF Expert Lite

[App page](https://appshunter.io/ios/app/pdf-expert-lite-scan-and-edit/id6767450797)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LifetTime Premium | $1.99 | one-time |


## Frequently asked questions

### Is ReadSync free?

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

### Is PDF Expert Lite free?

PDF Expert Lite is free to download, with in-app purchases available.

### Do ReadSync or PDF Expert Lite have ads?

Neither ReadSync nor PDF Expert Lite shows ads.

### Which is updated more often, ReadSync or PDF Expert Lite?

ReadSync ships an update every 2 months, and PDF Expert Lite every 3 months. Most recently, ReadSync was updated on October 8, 2026 and PDF Expert Lite on September 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.*