Diveplan vs Puffin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diveplan
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This app is an aid to your dive planning, enabling you to plan multiple dives using multiple gas mixes - fully supporting air, enriched/nitrox and trimix dives with unlimited cylinders and mixes. This app is only an aid and must not be used in place of proper training and a dive computer. It only provides estimates of gas usage and decompression stops - you should not use this app to make any decisions related to your safety.
Puffin
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Keep your dive history in one logbook you can open anywhere. Import computer logs, add dives manually, and review depth, gas, and site details when you need them. • Your dives, organized — browse your catalog with depth sparklines and quick access to every entry • Import from your computer — bring in Shearwater .db, UDDF, and dctool-supported logs; share from Shearwater on iPhone • Every dive, full detail — date, depth, duration, site, location, notes, and gas profiles • Trips as sessions — group dives, merge or split sessions, and auto-group by geolocation • See where you dived — map dive sites, filter by location, and set geo when logging Sign in with email, Apple, or Google. View logbook and session statistics with category filters. Try guest mode with bundled sample dives before you create an account. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Puffin at Free against Diveplan's $0.99. 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
Puffin is free to download; Diveplan costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Diveplan ships an update monthly, Puffin every 3 weeks. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.
| Parameter | Diveplan | Puffin |
|---|---|---|
| Price | $0.99 | Free — better |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 | 16.4 |
| Further details — not scored | ||
| Size | 52 MB | 74 MB |
| Age rating | 17+ | 4+ |
| Developer | CS Bruford Ltd | Robin Derrida |
In-app purchases
Diveplan
No in-app purchases
Puffin
No in-app purchases









