CPNN vs Interstaff
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CPNN
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The Certificate Program in Nursing and Nutrition (CPNN) is an educational initiative brought to you by Nestlé Nutrition Institute and MedInscribe, in collaboration with the Institute for Johns Hopkins Nursing (IJHN). This exclusive program is designed to function as the perfect platform for sharing views and knowledge on pediatric care through digital learning.
Interstaff
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Continue your journey with Interstaff at your convenience with easy access to your courses and communities, while on the go. With the Interstaff mobile app, enjoy the freedom of learning and connecting anytime, from anywhere. Access your courses and communities, from one convenient place. Learn when it works best for you at work, at home or on your commute with video, audio, text and other popular lesson types formatted for mobile. With progress tracking and start and stop lessons, it’s easy to pick up from where you left off. Have questions while learning? Join the conversation and get real-time answers by posting and replying to comments and accessing your community feeds on the go. And with push notifications, you can make sure you're always in the loop on all community activities. Download the Interstaff mobile app today!
Screenshots
Verdict
The clearest difference is iOS requirement: CPNN at 11.4 against Interstaff's 15.1. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CPNN ships an update every 2 weeks, Interstaff every 3 weeks. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.
| Parameter | CPNN | Interstaff |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.4 — better | 15.1 |
| Further details — not scored | ||
| Size | 9 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | BioQuest Global | Interstaff, Inc |
In-app purchases
CPNN
No in-app purchases
Interstaff
No in-app purchases
