# OneNS vs Changi Identity

OneNS and Changi Identity are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

OneNS ships an update every 2 weeks, Changi Identity monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OneNS | Changi Identity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (6 ratings)](https://appshunter.io/ios/app/onens/id1619937291/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 106 MB | 87 MB |
| Requires iOS | 17.6 | **16** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [MINDEF/SAF](https://appshunter.io/developer/523577540) | [Changi Airport Group (Singapore)](https://appshunter.io/developer/391730851) |

## What reviewers say

### OneNS

[App page](https://appshunter.io/ios/app/onens/id1619937291)

This app provides a centralized digital platform for National Service (NS) related services. Users can manage their NS details, apply for deferments, book IPPT, and track their progress. It aims to make the NS experience more convenient and engaging.

**Highlights:** Digital NS services portal, QR Code/Geolocation check-in, View ICT and Mobilisation details, Apply for deferment, Book IPPT, Track NS milestones and awards

**In-app purchases:** none


### Changi Identity

[App page](https://appshunter.io/ios/app/changi-identity/id6799029597)

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

**In-app purchases:** none


## Frequently asked questions

### Is OneNS free?

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

### Is Changi Identity free?

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

### Do OneNS or Changi Identity have ads?

Neither OneNS nor Changi Identity shows ads.

### Which is updated more often, OneNS or Changi Identity?

OneNS ships an update every 2 weeks, and Changi Identity monthly. Most recently, OneNS was updated on November 3, 2026 and Changi Identity on October 31, 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.*