# Sa vs WWA

The clearest difference is update cadence: WWA at every 3 weeks against Sa's every 15 months. Sa's advantage is iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sa ships an update every 15 months, WWA every 3 weeks. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Sa | WWA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Size | 33 MB | 72 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kernel Safety and Protection Company Limited](https://appshunter.io/developer/1453268143) | [Rapidsoft Consulting Co., Ltd.](https://appshunter.io/developer/1501471402) |

## What reviewers say

### Sa

[App page](https://appshunter.io/ios/app/sa-les-plus/id1480997822)

**In-app purchases:** none


### WWA

[App page](https://appshunter.io/ios/app/wwa-sdma/id1501471403)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sa free?

Sa is free to download, with no in-app purchases.

### Is WWA free?

WWA is free to download, with no in-app purchases.

### Do Sa or WWA have ads?

Neither Sa nor WWA shows ads.

### Which is updated more often, Sa or WWA?

Sa ships an update every 15 months, and WWA every 3 weeks. Most recently, Sa was updated on October 25, 2026 and WWA on October 21, 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.*