# ThermoPlus vs Sun AR

The clearest difference is rating: Sun AR at 4.6 against ThermoPlus's 2.1. Sun AR also leads on update cadence (weekly vs every 6 weeks). ThermoPlus's advantage is in-app purchases (none vs 2) and review sentiment (33% vs 0%). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Sun AR sells 2 in-app purchases, starting at $19.99 per year. ThermoPlus asks for nothing beyond the download.

Sun AR holds the better App Store score, 4.6 against 2.1. Both are backed by a comparable volume of ratings — 8 and 10 respectively. Written reviews complicate that: 33% of ThermoPlus's written reviews are positive against 0% of Sun AR's, so the app with the better star average is not the one people write more warmly about.

ThermoPlus ships an update every 6 weeks, Sun AR weekly. Both last shipped on October 9, 2026.

## The numbers

| Metric | ThermoPlus | Sun AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (8 ratings)](https://appshunter.io/ios/app/thermoplus/id1453344522/reviews) | **[4.6 (10 ratings)](https://appshunter.io/ios/app/sun-ar-solar-path-tracker/id6698899345/reviews)** |
| Number of ratings | 8 | **10** |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 27 MB | 15 MB |
| Requires iOS | **10.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [林青 刘](https://appshunter.io/developer/680596060) | [Pixby Media AB](https://appshunter.io/developer/440673186) |

## What reviewers say

### ThermoPlus

[App page](https://appshunter.io/ios/app/thermoplus/id1453344522)

Monitor temperatures wirelessly 24/7 with this device. It logs up to 100 days of data and allows export to CSV for analysis. Supports a wide temperature range and offers a long wireless range via Bluetooth.

**Highlights:** 24/7 temperature monitoring, 100-day data logging, Wide temperature range (-45~125℃), 100-meter wireless range, Bluetooth 4.2 connectivity, CSV data export

**Features:** macOS Compatibility

**In-app purchases:** none


### Sun AR

[App page](https://appshunter.io/ios/app/sun-ar-solar-path-tracker/id6698899345)

Easily visualize the sun's path and position for any date and time using augmented reality. Plan photoshoots, outdoor events, or understand sunlight exposure without complex astronomical data.

**Highlights:** AR Sun Path visualization, Simplified sunlight data (golden hour, sunset), Map view for sun positioning, Supports any date and time, Ideal for photographers and event planners

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Annual | $19.99 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is ThermoPlus free?

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

### Is Sun AR free?

Sun AR is free to download, with in-app purchases available.

### Which has better reviews, ThermoPlus or Sun AR?

Sun AR is rated higher. ThermoPlus averages 2.1 out of 5 from 8 ratings, while Sun AR averages 4.6 from 10 ratings.

### Do ThermoPlus or Sun AR have ads?

Neither ThermoPlus nor Sun AR shows ads.

### Which is updated more often, ThermoPlus or Sun AR?

ThermoPlus ships an update every 6 weeks, and Sun AR weekly. Most recently, ThermoPlus was updated on October 9, 2026 and Sun AR on October 9, 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.*