# OneMap SG vs ERP 2.0

The clearest difference is rating: OneMap SG at 5.0 against ERP 2.0's 1.0. OneMap SG also leads on review sentiment (26% vs 0%) and update cadence (every 3 weeks vs every 3 months). On price, ratings volume, 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 holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 26% of OneMap SG's written reviews are positive against 0% of ERP 2.0's.

OneMap SG ships an update every 3 weeks, ERP 2.0 every 3 months. The most recent releases landed on October 22, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | OneMap SG | ERP 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/onemap-sg/id1244720012/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/erp-20/id6449014348/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | **26.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 61 MB | 27 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Singapore Land Authority](https://appshunter.io/developer/1068341642) | [Land Transport Authority (Singapore)](https://appshunter.io/developer/480951213) |

## 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


### ERP 2.0

[App page](https://appshunter.io/ios/app/erp-20/id6449014348)

Access and display information from your On-Board Unit (OBU), including charging details and traffic alerts. Connects via Bluetooth for background notifications and supports CarPlay for in-car system integration.

**Highlights:** Access OBU charging details, Receive traffic alerts, View payment options, Bluetooth connectivity, Background notifications, CarPlay compatibility

**Features:** macOS Compatibility, 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 ERP 2.0 free?

ERP 2.0 is free to download, with no in-app purchases.

### Which has better reviews, OneMap SG or ERP 2.0?

OneMap SG is rated higher. OneMap SG averages 5.0 out of 5 from 2 ratings, while ERP 2.0 averages 1.0 from 2 ratings.

### Do OneMap SG or ERP 2.0 have ads?

Neither OneMap SG nor ERP 2.0 shows ads.

### Which is updated more often, OneMap SG or ERP 2.0?

OneMap SG ships an update every 3 weeks, and ERP 2.0 every 3 months. Most recently, OneMap SG was updated on October 22, 2026 and ERP 2.0 on October 27, 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.*