# OneMap SG vs MRTW

The clearest difference is iOS requirement: MRTW at 15.1 against OneMap SG's 17.0. 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.

OneMap SG ships an update every 3 weeks, MRTW every 4 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OneMap SG | MRTW |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/onemap-sg/id1244720012/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 26.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free | — |
| Size | 61 MB | 87 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Singapore Land Authority](https://appshunter.io/developer/1068341642) | [Liftango](https://appshunter.io/developer/1130634311) |

## What reviewers say

### OneMap SG

[App page](https://appshunter.io/ios/app/onemap-sg/id1244720012)

This app provides the most detailed and up-to-date national map of Singapore, developed by the Singapore Land Authority. It offers comprehensive search, navigation with barrier-free options, and information on nearby amenities and government services.

**Highlights:** Address and building search, Driving and public transport navigation, Barrier-free accessible routes, Find nearby amenities, Government information lookup, Multiple map styles

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

**In-app purchases:** none


### MRTW

[App page](https://appshunter.io/ios/app/mrtw/id6758509811)

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

**In-app purchases:** none


## Frequently asked questions

### Is OneMap SG free?

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

### Is MRTW free?

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

### Do OneMap SG or MRTW have ads?

Neither OneMap SG nor MRTW shows ads.

### Which is updated more often, OneMap SG or MRTW?

OneMap SG ships an update every 3 weeks, and MRTW every 4 weeks. Most recently, OneMap SG was updated on November 2, 2026 and MRTW on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*