OCAD Sketch vs O
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OCAD Sketch
This app allows for field mapping and revisions, complementing a desktop version. It features drawing tools, GPS tracking, and compass functionality for easy map adjustments. Projects can be seamlessly transferred between the desktop and mobile applications.
- Field mapping and revisions
- Drawing pen and eraser
- GPS route tracking
- Compass for map orientation
- Project transfer to/from desktop
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OCAD Sketch complements the desktop version of OCAD. It is designed for mapping in the field - both for new maps as well as revisions, feedback from course planners or map reviewers. Drawing pen and eraser enable fast and ergonomic sketching. GPS routes can be tracked and the compass can be used to adjust the map orientation. Map projects are transferred from desktop version of OCAD to the OCAD Sketch App and can be sent back after mapping.
O
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O-Time is a simple and reliable start clock designed for orienteering events. The app provides accurate countdown timing, a clear time display and support for start lists, making it perfect for both small training sessions and larger competitions. Key features: – precise start countdown – start list support (XML import) – display of current and upcoming runners – sound signals before start – full-screen mode readable from a distance – customizable clock appearance – works offline O-Time is built for organizers and orienteering clubs, but it can be used anywhere a precise start timing system is needed. No ads. No unnecessary features. Just works.
Screenshots
Verdict
The clearest difference is price: OCAD Sketch at Free against O's $2.99. OCAD Sketch also leads on iOS requirement (12.5 vs 17.6). On update cadence, 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
OCAD Sketch is free to download; O costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 28, 2026 and October 11, 2026 respectively.
| Parameter | OCAD Sketch | O |
|---|---|---|
| Price | Free — better | $2.99 |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.5 — better | 17.6 |
| Further details — not scored | ||
| Size | 76 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | OCAD AG | Anna Adamska |
In-app purchases
OCAD Sketch
No in-app purchases
O
No in-app purchases
