# ADSW vs SAREF 4.0

The clearest difference is update cadence: ADSW at every 3 days against SAREF 4.0's weekly. ADSW also leads on iOS requirement (13.0 vs 15.0). 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.

ADSW ships an update every 3 days, SAREF 4.0 weekly. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ADSW | SAREF 4.0 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 92 MB | 35 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Abu Dhabi Future Energy Company - Masdar](https://appshunter.io/developer/1112423595) | [Sarawak Energy](https://appshunter.io/developer/1069828075) |

## What reviewers say

### ADSW

[App page](https://appshunter.io/ios/app/adsw/id1601076599)

**Features:** macOS Compatibility

**In-app purchases:** none


### SAREF 4.0

[App page](https://appshunter.io/ios/app/saref-40/id6749672343)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ADSW free?

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

### Is SAREF 4.0 free?

SAREF 4.0 is free to download, with no in-app purchases.

### Do ADSW or SAREF 4.0 have ads?

Neither ADSW nor SAREF 4.0 shows ads.

### Which is updated more often, ADSW or SAREF 4.0?

ADSW ships an update every 3 days, and SAREF 4.0 weekly. Most recently, ADSW was updated on October 2, 2026 and SAREF 4.0 on October 6, 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.*