Comparison

KeyIdentity Authenticator vs Atemschutz

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

KeyIdentity Authenticator

About

KeyIdentity Authenticator

Features

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The KeyIdentity Authenticator provides an out-of-band authentication in conjunction with LinOTP by KeyIdentity as a backend. Based on the KeyIdentity QRToken, desktop authentications gain the additional level of security provided by two factor authentication. * Offline Authentication for mobile users * Password protected

About

Atemschutz

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Mit dieser App kannst Du einfach und schnell Daten zu Einsätzen, Übungen, Belastungsübungen und Untersuchungen dokumentieren und sogar als Protokolle ausdrucken. Du kannst Bilder zu den Einträgen hinzufügen und Seriennummern der Geräte als Barcode scannen. Du wirst an die nächsten Termine für die Belastungsübung und Vorsorgeuntersuchung erinnert und kannst eigene Termine anlegen.

Screenshots

KeyIdentity Authenticator4 screens

Atemschutz4 screens

Verdict

The call

The clearest difference is update cadence: KeyIdentity Authenticator at every 8 months against Atemschutz's every 21 months. KeyIdentity Authenticator also leads on device support and iOS requirement (9.0 vs 15.6). On price and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

KeyIdentity Authenticator ships an update every 8 months, Atemschutz every 21 months. The most recent releases landed on October 29, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 3 level

KeyIdentity Authenticator versus Atemschutz: the parameters behind the verdict, then further details
Parameter	KeyIdentity Authenticator	Atemschutz
Price	Free	Free
Update frequency	Every 8 months — better	Every 21 months
Ads	No	—
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	—
Requires iOS	9.0 — better	15.6
Further details — not scored
Size	37 MB	77 MB
Age rating	4+	17+
Developer	KeyIdentity GmbH	Boris Klabazna

In-app purchases

None

KeyIdentity Authenticator

No in-app purchases

None

Atemschutz

No in-app purchases

Questions

Is KeyIdentity Authenticator free?

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

Is Atemschutz free?

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

Which is updated more often, KeyIdentity Authenticator or Atemschutz?

KeyIdentity Authenticator ships an update every 8 months, and Atemschutz every 21 months. Most recently, KeyIdentity Authenticator was updated on October 29, 2026 and Atemschutz on October 14, 2026.