# ThermoMaven vs China Ruby

ThermoMaven and China Ruby are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

ThermoMaven ships an update every 3 weeks, China Ruby fortnightly. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ThermoMaven | China Ruby |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (9.6K ratings)](https://appshunter.io/ios/app/thermomaven/id6478386341/reviews)** | — |
| Number of ratings | **9.6K** | — |
| Positive reviews | 60.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 78 MB | 87 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AUROS INNOVATION](https://appshunter.io/developer/1732663008) | [CHINA RUBY RESTAURANT LLC](https://appshunter.io/developer/6792067827) |

## What reviewers say

### ThermoMaven

[App page](https://appshunter.io/ios/app/thermomaven/id6478386341)

This app connects to smart cooking devices, allowing users to monitor cooking progress remotely. It offers real-time temperature graphs, predictive cooking times, and customizable alerts for perfect results.

**Highlights:** Remote device monitoring, Real-time temperature graphs, Predictive cooking time estimation, Manual and Smart cooking modes, Customizable notifications and alerts

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate and easy to use
- 👍 Solid and reliable performance
- 🔒 Great connectivity and remote monitoring
- 💡 Helpful recipes and instructions

**What reviewers complain about**

- 🔋 Battery life issues
- 🐛 Connectivity and charging problems
- 👎 Difficult to use interface

**Reported bugs**

- Inaccurate temperature readings
- Unexpected network errors

**Requested features**

- Apple Watch support
- Exportable cook history
- Advanced charting and analytics


### China Ruby

[App page](https://appshunter.io/ios/app/china-ruby/id6792067825)

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

**In-app purchases:** none


## Frequently asked questions

### Is ThermoMaven free?

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

### Is China Ruby free?

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

### Do ThermoMaven or China Ruby have ads?

Neither ThermoMaven nor China Ruby shows ads.

### Which is updated more often, ThermoMaven or China Ruby?

ThermoMaven ships an update every 3 weeks, and China Ruby fortnightly. Most recently, ThermoMaven was updated on October 31, 2026 and China Ruby on October 29, 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.*