Challo vs NDC Greenprint
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Challo
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Challo helps you to set and achieve your personal goals by completing tasks in a given timeframe.
NDC Greenprint
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NDC's manifesto and digital hub.
Screenshots
Verdict
The clearest difference is device support: NDC Greenprint at 3 against Challo's 1. NDC Greenprint also leads on iOS requirement (14.0.0 vs 16.1). 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.
Both ship on a similar rhythm, roughly weekly. Both last shipped on October 27, 2026.
| Parameter | Challo | NDC Greenprint |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.1 | 14.0.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 75 MB |
| Age rating | 4+ | 17+ |
| Developer | Mathieu Lamvohee | Nana Poku Boakye |
In-app purchases
Challo
No in-app purchases
NDC Greenprint
No in-app purchases
