4 vs Hoppkollen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
4
Visualize and plan skydiving jumps with animated guides for 3-way and 4-way relative work. Prepare briefings, practice moves, and judge jumps for training or competition.
- Animated 4-way relative work guides
- 3-way relative work visualization
- Jump briefing preparation
- Practice jump moves
- Jump judging assistance
- Pocket-sized competition tool
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At last ! Anything you need to know about 4 Way Relative Work, shown with animations !!! And now, 3-way is also possible. Manu Sarrazin - 3 times world champion : "Brilliant and essential !" Prepare your jumps, try the various possible briefings, see the moves that you'll have to perform during the jump, judge the jumps... During competitions or trainings, a must to hold in your suit's pocket. Note : 3-Way is an in-app purchase
Hoppkollen
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Hoppkollen is the member portal for SFK and SYD - two Swedish skydiving clubs. Use Hoppkollen to plan jump days, RSVP, coordinate with other approved club members through direct messages and channels, keep your digital logbook, sign jumps, follow student progression, manage gear and stay up to date with club announcements. For jumpers, the app makes the everyday club workflow faster: upcoming jump days, calendar sync, logbook entries, signatures, gear reminders, achievements and member profiles are all in one place. For instructors and admins, Hoppkollen supports student reviews, jump-day staffing, member management, moderation and operational announcements. Messaging is built for respectful club coordination. Members accept messaging guidelines before first use, can report messages or profiles, and can block other members. Reports are reviewed by club administrators. Hoppkollen is free to use. There are no in-app purchases, advertising or third-party tracking.
Screenshots
Verdict
The clearest difference is price: Hoppkollen at Free against 4's $3.99. Hoppkollen also leads on in-app purchases (none vs 1). 4's advantage is iOS requirement (12.0 vs 15.0). On ads 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
Hoppkollen is free to download; 4 costs $3.99 up front. 4 sells 1 one-off in-app purchase. Hoppkollen asks for nothing beyond the download.
| Parameter | 4 | Hoppkollen |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 3.3 (3 ratings) — better | — |
| Positive reviews | 84.6% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 10 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 16 MB |
| Age rating | 4+ | 12+ |
| Developer | AirXygene Parachutisme | Devmera AB |
In-app purchases
4
- 3-Way Formations$1.99
Hoppkollen
No in-app purchases








