# DIYables Bluetooth STEM vs Super Sifir

The clearest difference is in-app purchases: DIYables Bluetooth STEM at none against Super Sifir's 1. Super Sifir's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Super Sifir sells 1 one-off in-app purchase. DIYables Bluetooth STEM asks for nothing beyond the download.

## The numbers

| Metric | DIYables Bluetooth STEM | Super Sifir |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 6 days |
| Size | 32 MB | 22 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SY KHANH HO](https://appshunter.io/developer/1851698856) | [Muhammad Zulfadhli Abd Rahman](https://appshunter.io/developer/1887248495) |

## What reviewers say

### DIYables Bluetooth STEM

[App page](https://appshunter.io/ios/app/diyables-bluetooth-stem/id6760932195)

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

**In-app purchases:** none


### Super Sifir

[App page](https://appshunter.io/ios/app/super-sifir/id6761006842)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Super Sifir Plus | $0.99 | one-time |


## Frequently asked questions

### Is DIYables Bluetooth STEM free?

DIYables Bluetooth STEM is free to download, with no in-app purchases.

### Is Super Sifir free?

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

### Do DIYables Bluetooth STEM or Super Sifir have ads?

DIYables Bluetooth STEM shows ads; Super Sifir does not.

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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.*