# 時間電價 vs T

The clearest difference is ads: T at none against 時間電價's shown. T also leads on update cadence (weekly vs every 5 months). 時間電價's advantage is iOS requirement (12.0 vs 15.5). On price, in-app purchases and device support there is nothing between them.

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

時間電價 ships an update every 5 months, T weekly. The most recent releases landed on October 27, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 時間電價 | T |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Weekly** |
| Size | 59 MB | 43 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [IAI LAb](https://appshunter.io/developer/1581719258) | [迪銳能源有限公司](https://appshunter.io/developer/1775109672) |

## What reviewers say

### 時間電價

[App page](https://appshunter.io/ios/app/id1609014981)

**Features:** macOS Compatibility

**In-app purchases:** none


### T

[App page](https://appshunter.io/ios/app/t-ray/id6737179254)

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

**In-app purchases:** none


## Frequently asked questions

### Is 時間電價 free?

時間電價 is free to download, with no in-app purchases.

### Is T free?

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

### Do 時間電價 or T have ads?

時間電價 shows ads; T does not.

### Which is updated more often, 時間電價 or T?

時間電價 ships an update every 5 months, and T weekly. Most recently, 時間電價 was updated on October 27, 2026 and T on November 8, 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.*