4 vs Wingload calculator
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
Wingload calculator
Calculate wing loading for skydivers with ease. Supports both kilograms and pounds for your convenience. A simple tool for a critical calculation.
- Wing load calculation
- Supports kilograms
- Supports pounds
- Easy to use interface
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Easy to use wing load calculator. Kilos and pounds are supported.
Screenshots
Verdict
The clearest difference is review sentiment: 4 at 85% against Wingload calculator's 0%. 4 also leads on ratings volume (3 vs 1). Wingload calculator's advantage is price (Free vs $3.99) and rating (5.0 vs 3.3). 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
Wingload calculator is free to download; 4 costs $3.99 up front. 4 sells 1 one-off in-app purchase. Wingload calculator asks for nothing beyond the download.
Wingload calculator holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews complicate that: 85% of 4's written reviews are positive against 0% of Wingload calculator's, so the app with the better star average is not the one people write more warmly about.
4 ships an update every 10 months, Wingload calculator every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | 4 | Wingload calculator |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 3.3 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 84.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 10 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | AirXygene Parachutisme | Igor Kamenev |
Customer experience
4
Wingload calculator
In-app purchases
4
- 3-Way Formations$1.99
Wingload calculator
No in-app purchases








