# FireStoneSystem vs NotiSync

The clearest difference is update cadence: NotiSync at fortnightly against FireStoneSystem's every 7 months. FireStoneSystem's advantage is iOS requirement (13.0 vs 18.6). 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.

FireStoneSystem ships an update every 7 months, NotiSync fortnightly. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | FireStoneSystem | NotiSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Size | 56 MB | 20 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Dalian Xiangzi Technology Co., Ltd.](https://appshunter.io/developer/1867658153) | [Dingwen Wang](https://appshunter.io/developer/6784461697) |

## What reviewers say

### FireStoneSystem

[App page](https://appshunter.io/ios/app/firestonesystem/id6757572066)

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

**In-app purchases:** none


### NotiSync

[App page](https://appshunter.io/ios/app/notisync/id6784461695)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FireStoneSystem free?

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

### Is NotiSync free?

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

### Do FireStoneSystem or NotiSync have ads?

Neither FireStoneSystem nor NotiSync shows ads.

### Which is updated more often, FireStoneSystem or NotiSync?

FireStoneSystem ships an update every 7 months, and NotiSync fortnightly. Most recently, FireStoneSystem was updated on September 30, 2026 and NotiSync on October 6, 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.*