Comparison

OneNS vs DataNote Leave App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OneNS

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
Read full description

This application is a service of the Government of Singapore, proudly brought to you by MINDEF/SAF. OneNS serves as a one-stop touchpoint for NS-related digital services to make the NS experience a more engaging and convenient one. You can use OneNS to: - In-Pro speedily via instant QR Code/Geolocation for ICT and Mobilisation - Stay updated on relevant matters like your ICT, Manning and Mobilisation details and excuse/deferment status - Apply for deferment, book IPPT conveniently from your mobile phone - Track your progress easily by viewing key NS milestones like awards and monetary disbursements - And many more features to come With OneNS, you can access your NS services easily and get things done on the go. Having trouble? Please contact us at contact@ns.gov.sg. This app is optimised for iOS 11.0 and above.

About

DataNote Leave App

Features
Read full description

DataNote Leave App is designed to seamlessly integrate with the DataNote ERP's HR and Payroll Management system, enhancing employee self-service capabilities, especially around leave management. Below are the key features and functionalities 1. ERP Integration - The app directly connects to the DataNote ERP, ensuring real-time data synchronization and streamlined communication between mobile users and the main ERP system. 2. Pending Leaves View - Employees can view all their pending or unused leaves. 3. Leave Planning - The app allows employees to plan their future leaves efficiently based on their available balance. 3. Leave Application Submission - Employees can submit leave requests directly from their mobile devices and option to choose from different types of leaves (e.g., casual, sick, paid). Users can also add a reason or note while submitting the leave request. 4. Real-Time Notifications - Approval/Rejection Alerts: Employees receive instant notifications when their manager approves or rejects a leave request. 5. Manager Interaction - The system notifies the manager when a leave request is raised, ensuring timely review and action. 6. User-Friendly Interface - Simple and intuitive user interface designed for employees to perform tasks with minimal steps.

Screenshots

OneNS4 screens
DataNote Leave App4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 25, 2026 and September 30, 2026 respectively.

Scorecard1 real difference · 8 level
OneNS versus DataNote Leave App: the parameters behind the verdict, then further details
ParameterOneNSDataNote Leave App
PriceFreeFree
Rating1.8 (6 ratings) — better—
Number of ratings6 — better—
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.610.0 — better
Further details — not scored
Size106 MB62 MB
Age rating4+4+
DeveloperMINDEF/SAFKeyur Trivedi

In-app purchases

None

OneNS

No in-app purchases

None

DataNote Leave App

No in-app purchases

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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