# Time vs Manual Sync

The clearest difference is rating: Manual Sync at 5.0 against Time's 3.0. Manual Sync also leads on update cadence (every 2 days vs every 6 days). Time's advantage is in-app purchases (none vs 2). On price, ratings volume, 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. Time asks for nothing beyond the download.

Manual Sync holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Time ships an update every 6 days, Manual Sync every 2 days. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Time | Manual Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/time-calc/id699524076/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/manual-sync/id6763876582/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 2 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kazuyuki Saito](https://appshunter.io/developer/699524079) | [AeroSync Studio](https://appshunter.io/developer/1888070954) |

## What reviewers say

### Time

[App page](https://appshunter.io/ios/app/time-calc/id699524076)

This app simplifies time calculations for personal flight logs. It exclusively handles addition and subtraction of hours and minutes, automatically interpreting the last two digits of any input as minutes.

**Highlights:** Time addition, Time subtraction, Automatic minute interpretation, Personal flight log focus

**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 Time free?

Time 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, Time or Manual Sync?

Manual Sync is rated higher. Time averages 3.0 out of 5 from 2 ratings, while Manual Sync averages 5.0 from 1 ratings.

### Do Time or Manual Sync have ads?

Neither Time nor Manual Sync shows ads.

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

Time ships an update every 6 days, and Manual Sync every 2 days. Most recently, Time was updated on October 6, 2026 and Manual Sync on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*