# performify vs SD360 W&B

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.

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.

## The numbers

| Metric | performify | SD360 W&B |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sd360-w-and-b/id6446126287/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 95 MB | 10 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pascal Burlet](https://appshunter.io/developer/1493425854) | [Semere Tadesse](https://appshunter.io/developer/1676147092) |

## What reviewers say

### performify

[App page](https://appshunter.io/ios/app/performify/id1493425855)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AviatorPro | $2.99 | per month |


### SD360 W&B

[App page](https://appshunter.io/ios/app/sd360-w-and-b/id6446126287)

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.

**Highlights:** CG calculation, Weight limit checks, Total weight display, Payload weight display, Payload bulk percentage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is performify free?

performify is free to download, with in-app purchases available.

### Is SD360 W&B free?

SD360 W&B is free to download, with no in-app purchases.

### Which is updated more often, performify or SD360 W&B?

performify ships an update every 2 months, and SD360 W&B fortnightly. Most recently, performify was updated on September 17, 2026 and SD360 W&B on June 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*