# Signify Service tag vs DigSig Authenticator

The clearest difference is device support: Signify Service tag at 3 against DigSig Authenticator's —. On price, in-app purchases 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.

## The numbers

| Metric | Signify Service tag | DigSig Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 197 MB | 56 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [Signify Netherlands B.V.](https://appshunter.io/developer/979064009) | [Sieveo GmbH](https://appshunter.io/developer/1709852825) |

## What reviewers say

### Signify Service tag

[App page](https://appshunter.io/ios/app/signify-service-tag/id1289722114)

This app provides a unique QR-based identification system for luminaires. Scan QR codes to access maintenance, installation, and spare part information for individual lighting fixtures, saving time and preventing errors.

**Highlights:** QR-based identification, Luminaire information access, Maintenance details, Installation guidance, Spare part information, Product configuration

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

**In-app purchases:** none


### DigSig Authenticator

[App page](https://appshunter.io/ios/app/digsig-authenticator/id6468394792)

**In-app purchases:** none


## Frequently asked questions

### Is Signify Service tag free?

Signify Service tag is free to download, with no in-app purchases.

### Is DigSig Authenticator free?

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

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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.*