testo Thermography vs Contia Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Live thermal imager view
- Remote device control
- Image and data transmission
- Thermal image analysis
- Report creation
- Email and cloud sharing
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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.
Contia Authenticator
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | testo Thermography | Contia Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 31.3% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 6 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13 — better | 15.1 |
| Further details — not scored | ||
| Size | 63 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Testo SE & Co. KGaA | Contia Development |
In-app purchases
testo Thermography
No in-app purchases
Contia Authenticator
No in-app purchases
Questions
Is testo Thermography free?
Is Contia Authenticator free?
Do testo Thermography or Contia Authenticator have ads?
Which is updated more often, testo Thermography or Contia Authenticator?
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