4 vs DiscoveRig
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
DiscoveRig
This application is designed for users who own the DiscoveRig canopy tracking device. It provides functionality to manage and utilize the tracking device. The app is developed by DiscoveRig SRLS.
- Canopy tracking device management
- Utilize tracking device functionality
- Companion application
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DiscoveRig - Don't lose your canopy Applicazione per utilizzatori in possesso del dispositivo tracking canopy DiscoveRig. Powered By DiscoveRig SRLS
Screenshots
Verdict
The clearest difference is price: DiscoveRig at Free against 4's $3.99. DiscoveRig also leads on in-app purchases (none vs 1) and update cadence (every 2 months vs every 10 months). 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
DiscoveRig is free to download; 4 costs $3.99 up front. 4 sells 1 one-off in-app purchase. DiscoveRig asks for nothing beyond the download.
4 ships an update every 10 months, DiscoveRig every 2 months. The most recent releases landed on October 30, 2026 and October 15, 2026 respectively.
| Parameter | 4 | DiscoveRig |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 3.3 (3 ratings) — better | — |
| Positive reviews | 84.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 — better | — |
| Update frequency | Every 10 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 67 MB |
| Age rating | 4+ | 17+ |
| Developer | AirXygene Parachutisme | andrea burato |
Customer experience
4
DiscoveRig
In-app purchases
4
- 3-Way Formations$1.99
DiscoveRig
No in-app purchases
