# CATC e vs MRTA E

The clearest difference is iOS requirement: CATC e at 12.0 against MRTA E's 14.0. 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.

CATC e ships an update fortnightly, MRTA E monthly. The most recent releases landed on September 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | CATC e | MRTA E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 19 MB | 27 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 9+ |
| Developer | [BOOKDOSE COMPANY LIMITED](https://appshunter.io/developer/459445000) | [Mass Rapid Transit Authority of Thailand](https://appshunter.io/developer/1494832322) |

## What reviewers say

### CATC e

[App page](https://appshunter.io/ios/app/catc-e-library/id1603568372)

**Features:** macOS Compatibility

**In-app purchases:** none


### MRTA E

[App page](https://appshunter.io/ios/app/mrta-e-library/id6745213881)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CATC e free?

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

### Is MRTA E free?

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

### Do CATC e or MRTA E have ads?

Neither CATC e nor MRTA E shows ads.

### Which is updated more often, CATC e or MRTA E?

CATC e ships an update fortnightly, and MRTA E monthly. Most recently, CATC e was updated on September 14, 2026 and MRTA E on September 18, 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.*