performify vs SD360 W&B
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
performify
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performify! - Calculations derived from the manufacturer's AFMs. Reverse engineered mathematical equations so that you don't have to draw, interpolate or calculate yourself! - Efficient workflow in mind. Designed for the pilot to make quick decisions or play with the numbers! - Widgets! - Automatically derived parameters, based on location and local weather - Dark Mode! - Add a preferred margin to every calculation! - Add a favourite aircraft variant for every aircraft make, to get started quicker. - Currently supports landing and take-off performance calculations. More to come! - Currently supports a number of aircraft such as: - Antonov AN2 - Cessna 152, 172, 172 R&S - Piper PA28-181 - Robin DR400/140B, DR400/180 - Tecnam P2008JC - More to come! IMPORTANT: !! DO NOT USE FOR PLANNING PURPOSES !! Reason: performify is not a certified or approved application by any organization or authority. Please do not use this app for planning purposes. Always cross verify the results with your AFM! By downloading this app you confirm that you use all calculations AT YOUR OWN RISK. Always check with the AFM. The developer nor the publisher are responsible for any damage caused by the use of the calculations." Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SD360 W&B
This utility app calculates an aircraft's center of gravity (CG) and ensures weight distribution is within safe limits. It displays critical weight information, including total aircraft weight, payload weight, and payload bulk percentage.
- CG calculation
- Weight limit checks
- Total weight display
- Payload weight display
- Payload bulk percentage
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Calculates the CG of the airplane Ensures the weight in each compartment is within limits Displays the CG limits for the total weight of the airplane Displays airplanes total weight Displays payload total weight Displays payload bulk percentage
Screenshots
Verdict
The clearest difference is in-app purchases: SD360 W&B at none against performify's 1. SD360 W&B also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (13.0 vs 17.0). On price 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. performify sells 1 in-app purchase, starting at $2.99 per month. SD360 W&B asks for nothing beyond the download.
performify ships an update every 2 months, SD360 W&B fortnightly. The most recent releases landed on September 17, 2026 and June 8, 2026 respectively.
| Parameter | performify | SD360 W&B |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | — |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 95 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Pascal Burlet | Semere Tadesse |
In-app purchases
performify
- AviatorPro1 Month trial$2.991 Month
SD360 W&B
No in-app purchases
