Alert Diver vs DecoPlanner mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Alert Diver
Explore dive industry insights, research, and safety information. Discover underwater photography, travel destinations, and marine environmental topics. This app provides valuable content for divers and enthusiasts.
- Dive industry research
- Medical information
- Dive safety guidelines
- Underwater photography
- Dive travel guides
- Marine environmental topics
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Alert Diver magazine, the dive industry’s leading publication, features DAN’s core content of research, education, medical information and dive safety. In addition, Alert Diver showcases underwater photography, dive travel and marine environmental topics. Divers Alert Network (DAN) is a nonprofit, 501(c)(3) dive safety organization. DAN's mission is to help divers in need of emergency medical assistance and to promote dive safety through research, education, products and services. Published quarterly, Alert Diver is a benefit to members of DAN; its companion website, AlertDiver.com, is available to all. If you are a current DAN member (DAN America region), everything offered in this app is included in your membership and free to you!
DecoPlanner mobile
Plan complex dive profiles using advanced decompression models. Track multiple gases, manage dive buddies, and visualize dive data with detailed graphs. Choose the version that suits your diving certification level.
- Open/Closed/Passive Semi-Closed Circuit planning
- ZH-L16 / VPM-B decompression models
- Gas tracking for multiple gases and dive buddies
- Gas mixing (partial pressure & continuous blending)
- Dive profile and tissue compartment graphs
- Diving level selection (Rec 1 to Unlimited CCR)
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Features: Open Circuit / Closed Circuit / Passive Semi-Closed Circuit planning ZH-L16 / VPM-B decompression models Convenient grouping of decompression stops Gas tracking of multiple gases and dive buddies Gas mixing through partial pressure and continuous blending Multiple graphs outlining dive profiles and tissue compartment pressures Select the version fitting your current level of diving, from Rec 1 to Unlimited CCR. More information at www.gue.com/store/software/decoplanner-4
Screenshots
Verdict
The clearest difference is monetization model: DecoPlanner mobile at free against Alert Diver's free with in-app purchases. DecoPlanner mobile also leads on update cadence (every 2 months vs every 6 months) and review sentiment (40% vs 25%). Alert Diver's advantage is iOS requirement (11.0 vs 13.0). 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.
Alert Diver ships an update every 6 months, DecoPlanner mobile every 2 months. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.
| Parameter | Alert Diver | DecoPlanner mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | 25.0% of reviews | 40.0% of reviews — better |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 92 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Divers Alert Network | Global Underwater Explorers Inc. |
Customer experience
Alert Diver
DecoPlanner mobile
In-app purchases
Alert Diver
No in-app purchases
DecoPlanner mobile
No in-app purchases
Questions
Is Alert Diver free?
Is DecoPlanner mobile free?
Do Alert Diver or DecoPlanner mobile have ads?
Which is updated more often, Alert Diver or DecoPlanner mobile?
Other comparisons
