# BISS.ID vs SLOC SDM

The clearest difference is update cadence: BISS.ID at monthly against SLOC SDM's every 8 months. BISS.ID also leads on iOS requirement (13.0 vs 15.5). 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.

BISS.ID ships an update monthly, SLOC SDM every 8 months. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | BISS.ID | SLOC SDM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Size | 30 MB | 52 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Syfit GmbH](https://appshunter.io/developer/1260929417) | [SLOC GmbH](https://appshunter.io/developer/1792188972) |

## What reviewers say

### BISS.ID

[App page](https://appshunter.io/ios/app/bissid/id1625860189)

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

**In-app purchases:** none


### SLOC SDM

[App page](https://appshunter.io/ios/app/sloc-sdm/id6740913367)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BISS.ID free?

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

### Is SLOC SDM free?

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

### Do BISS.ID or SLOC SDM have ads?

Neither BISS.ID nor SLOC SDM shows ads.

### Which is updated more often, BISS.ID or SLOC SDM?

BISS.ID ships an update monthly, and SLOC SDM every 8 months. Most recently, BISS.ID was updated on September 17, 2026 and SLOC SDM on September 9, 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.*