# CTGauge vs Metrelink

The clearest difference is iOS requirement: CTGauge at 12.0 against Metrelink's 15.0. 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 every 2 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CTGauge | Metrelink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ctgauge/id6450739989/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 25 MB | 37 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Linshang Technology Co., Ltd.](https://appshunter.io/developer/1546040319) | [Hangzhou Metrelink Technology Co., Ltd](https://appshunter.io/developer/1850866948) |

## What reviewers say

### CTGauge

[App page](https://appshunter.io/ios/app/ctgauge/id6450739989)

**Features:** macOS Compatibility

**In-app purchases:** none


### Metrelink

[App page](https://appshunter.io/ios/app/metrelink/id6764518044)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CTGauge free?

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

### Is Metrelink free?

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

### Do CTGauge or Metrelink have ads?

Neither CTGauge nor Metrelink shows ads.

### Which is updated more often, CTGauge or Metrelink?

CTGauge ships an update every 2 months, and Metrelink every 2 months. Most recently, CTGauge was updated on October 24, 2026 and Metrelink on October 14, 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.*