OIDDS vs OneNS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OIDDS
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The Online Instructor Development & Deployment System (OIDDS) is an online portal for instructors to track their development and deployment, created by CAMP CHALLENGE Pte Ltd for our entire organization including FOCUS Adventure, CAMP CHALLENGE, Outdoor Adventure, and SeaOPS. Our organization specializes in character development, including team-building, leadership, resilience, and so on. Each company specializes in a different target audience: • FOCUS Adventure specializes in corporate team development, experiential learning through outdoor-based activities, and process facilitation for corporate groups of all levels from new hires to top management. • CAMP CHALLENGE specializes in youth character development, experiential learning through outdoor camps and expeditions, as well as motivational workshops for youths & students from preschool to tertiary levels. • Outdoor Adventure specializes in providing recreational outdoor activities for families, sports enthusiasts & any groups looking to have fun under the sun • SeaOPS specializes in sea-based activities, offering various recreational water sports as well as sea-based certification courses. Our team of instructors is central to our youth development movement and the OIDDS will be our main method of getting in touch with our instructors for their personal development, as well as deployment to programmes across the entire organization. •The OIDDS app will allow instructors to: •Browse through the various programmes available across the entire organization and indicate their availability for each programme •View their deployment for programmes •Update their credentials and certifications on their instructor profile •Track their Outdoor Learning progress in the Instructor Development Programme (IDP) •Browse and register for upcoming instructor accreditation courses and modules •Receive payment for completed programmes through FAST payment transactions such as PayNow
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.
- Digital NS services portal
- QR Code/Geolocation check-in
- View ICT and Mobilisation details
- Apply for deferment
- Book IPPT
- Track NS milestones and awards
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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.
Screenshots
Verdict
The clearest difference is update cadence: OneNS at every 2 weeks against OIDDS's every 3 months. On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OIDDS ships an update every 3 months, OneNS every 2 weeks. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.
| Parameter | OIDDS | OneNS |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.0 (5 ratings) — better |
| Number of ratings | — | 5 — better |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 45 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | CAMP CHALLENGE PTE. LTD. | MINDEF/SAF |
In-app purchases
OIDDS
No in-app purchases
OneNS
No in-app purchases









