# bigstone vs IR Sync

The clearest difference is device support: IR Sync at 2 against bigstone's —. bigstone's advantage is iOS requirement (9.0 vs 15.1). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | bigstone | IR Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ir-sync/id6771472994/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Fortnightly |
| Monetization | — | Free |
| Size | 17 MB | 54 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Nanjing Bigstone Electronic & Technology Co.,Ltd](https://appshunter.io/developer/1440586915) | [SoCal Dab Tools, LLC](https://appshunter.io/developer/1891379874) |

## What reviewers say

### bigstone

[App page](https://appshunter.io/ios/app/bigstone/id6444907763)

**In-app purchases:** none


### IR Sync

[App page](https://appshunter.io/ios/app/ir-sync/id6771472994)

This app connects to precision temperature monitors via Bluetooth to display real-time readings and control device settings. Save custom presets, set smart alerts, and review session history. It also features a QR scanner for loading manufacturer profiles.

**Highlights:** Real-time temperature monitoring, Customizable presets, Smart alerts and notifications, Session history logging, QR scanner for profiles, Device settings synchronization

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

**In-app purchases:** none


## Frequently asked questions

### Is bigstone free?

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

### Is IR Sync free?

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

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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.*