Comparison

testo Thermography vs Contia Authenticator

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

Head to head
About

testo Thermography

This free application enhances the functionality of specific testo thermal imagers. It allows users to view live images, remotely control the device, and transfer stored images for analysis and report creation. Reports and images can be easily shared via email or cloud services.

Highlights
  • Live thermal imager view
  • Remote device control
  • Image and data transmission
  • Thermal image analysis
  • Report creation
  • Email and cloud sharing
Features
Read full description

App for the thermal imagers testo 868, testo 871, testo 872 and testo 883: mobile, flexible, efficient. Install our free App on your smartphone/tablet and use the practical functions for Testo thermal imagers. Functions: • See a live image from the thermal imager in the App • Remote control of the thermal imager via the App • Transmission of stored images from the thermal imager to the App • Analyze thermal imagers and add comments • Create reports quickly and easily • Send images or reports by e-mail or share via Cloud services The App can only be used in combination with the instruments testo 868(s), testo 871(s), testo 872(s) and testo 883.

About

Contia Authenticator

Features
Read full description

Contia Authenticator keeps your accounts safe with time-based one-time passwords (TOTP). Add any account in seconds by scanning a QR code, then generate secure codes that refresh automatically. YOUR ACCOUNTS - YOUR DEVICE All codes are generated entirely on your device. No cloud sync, no account required — your data never leaves your phone. FEATURES - Scan QR codes to add accounts instantly - Time-based one-time passwords (TOTP / RFC 6238) - Live countdown timer so you always know when to use your code - 4-digit passcode to lock the app - Face ID and Touch ID support - Edit or delete entries at any time - Clean, minimal design with dark mode support WORKS WITH THOUSANDS OF SERVICES Compatible with any service that supports standard TOTP two-factor authentication — including Google, Apple, GitHub, Dropbox, and many more.

Screenshots

testo Thermography4 screens
Contia Authenticator3 screens

Verdict

The call

The clearest difference is update cadence: Contia Authenticator at fortnightly against testo Thermography's every 6 months. testo Thermography's advantage is iOS requirement (13 vs 15.1). On price, ads, in-app purchases and device support 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

testo Thermography ships an update every 6 months, Contia Authenticator fortnightly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
testo Thermography versus Contia Authenticator: the parameters behind the verdict, then further details
Parametertesto ThermographyContia Authenticator
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews31.3% of reviews—
Number of ratings2 — better—
Update frequencyEvery 6 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13 — better15.1
Further details — not scored
Size63 MB33 MB
Age rating4+4+
DeveloperTesto SE & Co. KGaAContia Development

In-app purchases

None

testo Thermography

No in-app purchases

None

Contia Authenticator

No in-app purchases

Questions

Is testo Thermography free?
testo Thermography is free to download, with no in-app purchases.
Is Contia Authenticator free?
Contia Authenticator is free to download, with no in-app purchases.
Do testo Thermography or Contia Authenticator have ads?
Neither testo Thermography nor Contia Authenticator shows ads.
Which is updated more often, testo Thermography or Contia Authenticator?
testo Thermography ships an update every 6 months, and Contia Authenticator fortnightly. Most recently, testo Thermography was updated on October 29, 2026 and Contia Authenticator on October 25, 2026.

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