# Fasoo View vs Manual Sync

The clearest difference is in-app purchases: Fasoo View at none against Manual Sync's 2. Fasoo View also leads on device support (3 vs 1) and ratings volume (3 vs 1). Manual Sync's advantage is update cadence (every 2 days vs every 3 weeks). On price, rating and ads there is nothing between them.

Both are free to download. Manual Sync sells 2 in-app purchases, starting at $9.99 per year. Fasoo View asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Fasoo View against 5.0 for Manual Sync. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Fasoo View ships an update every 3 weeks, Manual Sync every 2 days. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Fasoo View | Manual Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/fasoo-view/id444651561/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/manual-sync/id6763876582/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 18.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 110 MB | 2 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fasoo AI Co., Ltd.](https://appshunter.io/developer/429136974) | [AeroSync Studio](https://appshunter.io/developer/1888070954) |

## What reviewers say

### Fasoo View

[App page](https://appshunter.io/ios/app/fasoo-view/id444651561)

Securely access and view documents, both plain and encrypted, on your mobile devices. This app enables secure communication and information sharing within a protected work environment, requiring prior certificate installation.

**Highlights:** Secure document access and checkout, View plain and encrypted documents, Secure communication and information sharing, Attachment viewer for emails and browsers, Watermark enforcement, Zoom in/out functionality, Page search and navigation

**Features:** Vision Pro support

**In-app purchases:** none


### Manual Sync

[App page](https://appshunter.io/ios/app/manual-sync/id6763876582)

Easily transfer annotations and bookmarks between PDF documents. This tool uses precise matching for professionals who update manuals frequently, ensuring notes stay in place. All processing is done locally for enhanced privacy.

**Highlights:** Smart word-based annotation matching, Bookmark hierarchy migration, Split-view manual review, Local device processing, Annual and lifetime subscription options

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ManualSync Annual Premium | $9.99 | per year |
| ManualSync Annual Premium | $24.99 | one-time |


## Frequently asked questions

### Is Fasoo View free?

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

### Is Manual Sync free?

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

### Which has better reviews, Fasoo View or Manual Sync?

Fasoo View and Manual Sync are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Fasoo View or Manual Sync have ads?

Neither Fasoo View nor Manual Sync shows ads.

### Which is updated more often, Fasoo View or Manual Sync?

Fasoo View ships an update every 3 weeks, and Manual Sync every 2 days. Most recently, Fasoo View was updated on October 10, 2026 and Manual Sync on October 3, 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.*