Comparison

ISRTRI vs 4divers

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ISRTRI

Features
Read full description

This app is used for: registration for triathlon events in Israel upload necessary documents for participating in events see your events history

About

4divers

Features
Read full description

Log the dive, not just the data. Welcome to 4divers, the beautiful, fast, and intuitive digital logbook designed for scuba divers who want a seamless way to record their underwater stories. Whether you are a recreational beginner, a technical deep diver tracking complex gas mixes, a professional Divemaster, or a passionate freediver—4divers replaces clunky paper logs and rigid spreadsheets with a stunning, streamlined experience. Best of all, we are completely agency-agnostic, meaning your history belongs to you, not a single training organization. Key Features Built For Divers: The Ultimate Dive Logbook (Core Experience) - 60-Second Logging: Built for quick, one-handed use while at a dive site or on a liveaboard. Open the app and log a dive instantly. - Deep Data Tracking: Record dive site, date, depth, duration, water temperature, visibility, entry/water type, gear setups, weights, cylinders, gas mixes (Air/Nitrox), and personal notes. - At-a-Glance Dive Cards: Review past dives instantly with clean, intuitive visual chips showcasing key metrics. - Lifetime Stats Dashboard: Track your total dive count, cumulative hours underwater, and maximum depth ever achieved. Smart Certification Manager - Instant Auto-Import: Search and import your verified PADI, SSI, or SDI/TDI certifications by name. - Digital Cert Wallet: Display your cards in a beautiful UI featuring official agency logos and immersive underwater designs. - Manual Backups: Upload photos of physical cards from any agency worldwide (NAUI, CMAS, etc.) so you always have proof of training. - All Levels Welcome: Full support from Open Water up to Instructor, Technical, and Freediver specialties. Buddies & Social Layer - Log Your Crew: Tag exactly who you dived with on every single entry. - Shared History: See a running tally of how many total dives you’ve completed with each buddy over time. - Frictionless Connection: Add friends instantly using personal QR codes or quick invite links via WhatsApp and SMS. Dive Site & Center Discovery - Global Search: Browse thousands of worldwide dive sites by name, city, or country. - Smart Filters: Filter locations by experience level, marine life, and geography, or use the "Been Here" filter for spots you've already logged. - Find Local Shops: Locate nearby PADI 5-Star facilities, SSI centers, or independent operators sourced from global directories. Why Choose 4divers? - Agency Agnostic: We proudly support all divers, regardless of where or how you certified. - Frictionless Onboarding: Sign in instantly with Google—no separate passwords to memorize. - Custom Preferences: Toggle between metric and imperial units, and customize exactly which fields appear on your log forms. - Privacy First: Your location and profile data are protected. No data sold, no cross-app tracking.

Screenshots

ISRTRI4 screens
4divers4 screens

Verdict

The call

ISRTRI and 4divers are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
ISRTRI versus 4divers: the parameters behind the verdict, then further details
ParameterISRTRI4divers
PriceFreeFree
Update frequencyWeekly—
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad — better
Requires iOS18.617.0 — better
Further details — not scored
Size17 MB2 MB
Age rating4+4+
Developerran kellnerYanir Calisar

In-app purchases

None

ISRTRI

No in-app purchases

None

4divers

No in-app purchases

Questions

Is ISRTRI free?
ISRTRI is free to download, with no in-app purchases.
Is 4divers free?
4divers is free to download, with no in-app purchases.
Do ISRTRI or 4divers have ads?
Neither ISRTRI nor 4divers shows ads.

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