# OneNS vs DataNote Leave App

The clearest difference is iOS requirement: DataNote Leave App at 10.0 against OneNS's 17.6. 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 weeks. The most recent releases landed on October 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | OneNS | DataNote Leave App |
| --- | --- | --- |
| 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 | Every 2 weeks |
| Monetization | Free | — |
| Size | 106 MB | 62 MB |
| Requires iOS | 17.6 | **10.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MINDEF/SAF](https://appshunter.io/developer/523577540) | [Keyur Trivedi](https://appshunter.io/developer/1732647155) |

## 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


### DataNote Leave App

[App page](https://appshunter.io/ios/app/datanote-leave-app/id6746480325)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OneNS free?

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

### Is DataNote Leave App free?

DataNote Leave App is free to download, with no in-app purchases.

### Do OneNS or DataNote Leave App have ads?

Neither OneNS nor DataNote Leave App shows ads.

### Which is updated more often, OneNS or DataNote Leave App?

OneNS ships an update every 2 weeks, and DataNote Leave App every 2 weeks. Most recently, OneNS was updated on October 25, 2026 and DataNote Leave App on September 30, 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.*