# ThermoWorks vs RT620

The clearest difference is iOS requirement: RT620 at 13.0 against ThermoWorks's 15.6. On price, update cadence, ads 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.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 20, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ThermoWorks | RT620 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (17K ratings)](https://appshunter.io/ios/app/thermoworks/id1503955408/reviews)** | — |
| Number of ratings | **17K** | — |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 54 MB | 28 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ThermoWorks, Inc](https://appshunter.io/developer/569889016) | [Radiance Instruments Ltd](https://appshunter.io/developer/1239283044) |

## What reviewers say

### ThermoWorks

[App page](https://appshunter.io/ios/app/thermoworks/id1503955408)

Monitor cooking, BBQ, and ambient temperatures with compatible Bluetooth and Wi-Fi devices. Features enhanced graphing, alarms with push notifications, and cloud storage for session data. Ideal for professionals and enthusiasts needing precise temperature control.

**Highlights:** Real-time temperature monitoring, Customizable temperature alarms, Push notifications for alerts, Enhanced graphing capabilities, Cloud storage for session data, Checklist function for safety protocols

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate temperature monitoring
- 🔒 Reliable WiFi connectivity
- 👍 Intuitive app interface
- 🚀 Convenient remote monitoring
- 👍 Helpful customer support

**What reviewers complain about**

- 🐛 Occasional app crashes
- 🔋 Battery drain issues
- 👎 Lacking advanced features
- 🔒 Limited password support
- 👎 Inconsistent notification alerts

**Reported bugs**

- Setup process can be confusing
- Bluetooth connectivity problems
- Delayed cloud data updates
- Probe temperature discrepancies

**Requested features**

- Apple Watch app support
- Ability to zoom in on graphs
- More customization options
- Improved data syncing between devices
- Predictive cooking time estimates


### RT620

[App page](https://appshunter.io/ios/app/rt620/id6758743234)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ThermoWorks free?

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

### Is RT620 free?

RT620 is free to download, with no in-app purchases.

### Do ThermoWorks or RT620 have ads?

Neither ThermoWorks nor RT620 shows ads.

### Which is updated more often, ThermoWorks or RT620?

ThermoWorks ships an update monthly, and RT620 monthly. Most recently, ThermoWorks was updated on October 20, 2026 and RT620 on September 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.*