# T vs Shyion

The clearest difference is review sentiment: Shyion at 25% against T's 0%. Shyion also leads on iOS requirement (12.0 vs 15.6). T's advantage is rating (1.6 vs 1.3) and ratings volume (9 vs 3). 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.

T holds the better App Store score, 1.6 against 1.3. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews complicate that: 0% of T's written reviews are positive against 25% of Shyion's, so the app with the better star average is not the one people write more warmly about.

T ships an update monthly, Shyion every 3 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | T | Shyion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (9 ratings)](https://appshunter.io/ios/app/t-meter/id1566693372/reviews)** | [1.3 (3 ratings)](https://appshunter.io/ios/app/shyion/id1580015933/reviews) |
| Number of ratings | **9** | 3 |
| Positive reviews | 0.0% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 24 MB | 117 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Dashi Wisdom Technology Co., Ltd.](https://appshunter.io/developer/1822219570) | [Shanghai Huangzhu E - Commerce Co., Ltd.](https://appshunter.io/developer/1580015935) |

## What reviewers say

### T

[App page](https://appshunter.io/ios/app/t-meter/id1566693372)

Monitor your oil tank's level remotely from your smartphone. Track heating oil usage with hourly charts and receive custom low-level alerts via email and text.

**Highlights:** Remote tank level monitoring, Hourly usage charts, Customizable low-level alarms, Email and text notifications, Usage history by day, week, month, year

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

**In-app purchases:** none


### Shyion

[App page](https://appshunter.io/ios/app/shyion/id1580015933)

Control your garden sprinkler remotely and set custom watering schedules. Monitor indoor temperature and humidity with detailed charts for environmental insights.

**Highlights:** Remote sprinkler control, Automated watering schedules, Temperature monitoring, Humidity monitoring, Environmental data charts

**In-app purchases:** none


## Frequently asked questions

### Is T free?

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

### Is Shyion free?

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

### Which has better reviews, T or Shyion?

T is rated higher. T averages 1.6 out of 5 from 9 ratings, while Shyion averages 1.3 from 3 ratings.

### Do T or Shyion have ads?

Neither T nor Shyion shows ads.

### Which is updated more often, T or Shyion?

T ships an update monthly, and Shyion every 3 weeks. Most recently, T was updated on October 27, 2026 and Shyion on October 24, 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.*