# FLEX Shift Scheduler vs OneNS

The clearest difference is iOS requirement: FLEX Shift Scheduler at 11.0 against OneNS's 13.0. 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.

FLEX Shift Scheduler ships an update every 3 weeks, OneNS fortnightly. The most recent releases landed on June 9, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | FLEX Shift Scheduler | OneNS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (5 ratings)](https://appshunter.io/ios/app/onens/id1619937291/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 10 MB | 70 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flex-Solver Pte. Ltd.](https://appshunter.io/developer/1240076893) | [MINDEF/SAF](https://appshunter.io/developer/523577540) |

## What reviewers say

### FLEX Shift Scheduler

[App page](https://appshunter.io/ios/app/flex-shift-scheduler/id1346480042)

Manage work schedules, track shifts, duties, and leaves. Broadcast company-wide events and announcements to all staff. Features a simple interface for easy navigation by users of any age.

**Highlights:** Shift tracking, Duty management, Leave management, Event broadcasting, Announcement system, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is FLEX Shift Scheduler free?

FLEX Shift Scheduler is free to download, with no in-app purchases.

### Is OneNS free?

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

### Do FLEX Shift Scheduler or OneNS have ads?

Neither FLEX Shift Scheduler nor OneNS shows ads.

### Which is updated more often, FLEX Shift Scheduler or OneNS?

FLEX Shift Scheduler ships an update every 3 weeks, and OneNS fortnightly. Most recently, FLEX Shift Scheduler was updated on June 9, 2026 and OneNS on September 9, 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.*