# whenUbuy vs SFD

The clearest difference is ads: SFD at none against whenUbuy's shown. whenUbuy's advantage is update cadence (weekly vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

whenUbuy ships an update weekly, SFD every 2 weeks. The most recent releases landed on September 23, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | whenUbuy | SFD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 38 MB | 98 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [whenUbuy](https://appshunter.io/developer/1677730974) | [SFD S.A.](https://appshunter.io/developer/820994756) |

## What reviewers say

### whenUbuy

[App page](https://appshunter.io/ios/app/whenubuy/id6446396923)

**Features:** macOS Compatibility

**In-app purchases:** none


### SFD

[App page](https://appshunter.io/ios/app/sfd/id6737574513)

**In-app purchases:** none


## Frequently asked questions

### Is whenUbuy free?

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

### Is SFD free?

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

### Do whenUbuy or SFD have ads?

whenUbuy shows ads; SFD does not.

### Which is updated more often, whenUbuy or SFD?

whenUbuy ships an update weekly, and SFD every 2 weeks. Most recently, whenUbuy was updated on September 23, 2026 and SFD on September 3, 2026.

---

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