# Cove vs Manual Sync

The clearest difference is in-app purchases: Cove at none against Manual Sync's 2. Cove also leads on iOS requirement (13.4 vs 17.6). Manual Sync's advantage is update cadence (every 2 days vs every 9 days). On price, ads and device support there is nothing between them.

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

Cove ships an update every 9 days, Manual Sync every 2 days. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Cove | Manual Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/manual-sync/id6763876582/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 46 MB | 2 MB |
| Requires iOS | **13.4** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sookhyun Kwon](https://appshunter.io/developer/1785083599) | [AeroSync Studio](https://appshunter.io/developer/1888070954) |

## What reviewers say

### Cove

[App page](https://appshunter.io/ios/app/cove/id6739386205)

**Features:** macOS Compatibility

**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 Cove free?

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

### Is Manual Sync free?

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

### Do Cove or Manual Sync have ads?

Neither Cove nor Manual Sync shows ads.

### Which is updated more often, Cove or Manual Sync?

Cove ships an update every 9 days, and Manual Sync every 2 days. Most recently, Cove was updated on October 5, 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.*