# SinceMeter vs KooSync

The clearest difference is update cadence: KooSync at every 3 weeks against SinceMeter's every 3 months. SinceMeter's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SinceMeter ships an update every 3 months, KooSync every 3 weeks. The most recent releases landed on September 25, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | SinceMeter | KooSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 24 MB | 150 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Loki Landau](https://appshunter.io/developer/1796335480) | [宇森 吴](https://appshunter.io/developer/1837612323) |

## What reviewers say

### SinceMeter

[App page](https://appshunter.io/ios/app/sincemeter/id6749103841)

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

**In-app purchases:** none


### KooSync

[App page](https://appshunter.io/ios/app/koosync/id6752115401)

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

**In-app purchases:** none


## Frequently asked questions

### Is SinceMeter free?

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

### Is KooSync free?

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

### Do SinceMeter or KooSync have ads?

Neither SinceMeter nor KooSync shows ads.

### Which is updated more often, SinceMeter or KooSync?

SinceMeter ships an update every 3 months, and KooSync every 3 weeks. Most recently, SinceMeter was updated on September 25, 2026 and KooSync on September 20, 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.*