# Haavii vs SensorSync

The clearest difference is update cadence: Haavii at every 9 days against SensorSync's every 6 months. Haavii also leads on iOS requirement (10.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Haavii ships an update every 9 days, SensorSync every 6 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Haavii | SensorSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 months |
| Size | 415 MB | 25 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Stars Pulse Co.,Ltd.](https://appshunter.io/developer/1492225826) | [Xiamen Youlike Technology Co., Ltd.](https://appshunter.io/developer/1825118000) |

## What reviewers say

### Haavii

[App page](https://appshunter.io/ios/app/haavii/id1636430741)

**In-app purchases:** none


### SensorSync

[App page](https://appshunter.io/ios/app/sensorsync/id6748308888)

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

**In-app purchases:** none


## Frequently asked questions

### Is Haavii free?

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

### Is SensorSync free?

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

### Do Haavii or SensorSync have ads?

Neither Haavii nor SensorSync shows ads.

### Which is updated more often, Haavii or SensorSync?

Haavii ships an update every 9 days, and SensorSync every 6 months. Most recently, Haavii was updated on November 3, 2026 and SensorSync on October 30, 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.*