Ara Authentic vs Thermal Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ara Authentic
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With the ARA-Authentic -LT® technology developed by us, we offer you labeling and coating solutions that are... are tailored exclusively to your products, can be applied additively to your products on site using a standard marking laser - without damaging the product surface, provides you with a wide range of individual design options - be it extraordinary optical effects or features that are only visible under certain conditions, are cost-effective, ecologically harmless and extremely resource-friendly and whose authenticity can be quickly and reliably verified both visually and by simple means, e.g. with a smartphone.
Thermal Viewer
Analyze radiometric thermal images directly on your iPhone, iPad, or Mac. This app supports various thermal image formats and offers detailed temperature analysis, including spot, box, and ellipse measurements. It allows for live re-analysis and export of data and settings, all while keeping your images private and offline.
- Analyze radiometric thermal images
- Supports multiple thermal file formats
- Tap to read exact temperature
- Add spot, box, ellipse, and line measurements
- Live re-analysis with adjustable parameters
- Visible-light blend and MSX-style overlay
- Export temperature matrix to CSV
- Batch export of images and settings
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Thermal Viewer opens and analyzes radiometric thermal images right on your iPhone, iPad, and Mac. No Windows PC, no camera accessory, and no account. Searching for "FLIR Tools for Mac" or a SmartView alternative? This is the native app you have been missing. FLIR discontinued its Mac software and Fluke's mobile viewer is no longer maintained. Thermal Viewer fills that gap, fully offline. WORKS WITH • FLIR radiometric JPEG: E-series, T-series, Cx, FLIR ONE, CAT phones • Fluke IS2 files • Radiometric TIFF (ResearchIR, Vue / Duo Pro R) • InfiRay / P2 Pro thermal JPEG • DJI thermal JPEG (image and capture parameters) • Plain thermal JPEGs EVERY PIXEL IS A TEMPERATURE Tap anywhere to read the exact temperature. Add spot, box, ellipse and line measurements with min / avg / max, and Delta-T between any two of them. PROFESSIONAL ANALYSIS • 8 color palettes plus your camera's own palette • Level/span with histogram, isotherms, automatic hot and cold markers • Live re-analysis: change emissivity, reflected temperature and distance, and temperatures recompute instantly • Visible-light blend, picture-in-picture, and MSX-style edge overlay • °C / °F / K • Full camera, lens, GPS and parameter inspector EXPORT & BATCH • Export the full temperature matrix to CSV • Export rendered images (PNG) and reproducible analysis settings (JSON) • Hotspot Triage: scan a whole folder and flag every image above your threshold • Batch export PRIVATE BY DESIGN Everything runs on your device. Your images never leave your phone: no cloud, no account, no tracking. Thermal Viewer is an independent app and is not affiliated with, endorsed by, or sponsored by FLIR, Teledyne, Fluke, DJI, or InfiRay. Brand names are used only to indicate supported file formats. Privacy Policy: https://rush.tools/privacy Terms of Use: https://rush.tools/terms
Screenshots
Verdict
The clearest difference is in-app purchases: Ara Authentic at none against Thermal Viewer's 3. Thermal Viewer's advantage is update cadence (every 6 days vs every 3 weeks). On price, ads, device support and iOS requirement 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. Thermal Viewer sells 3 in-app purchases, starting at $4.99 per 7 days. Ara Authentic asks for nothing beyond the download.
Ara Authentic ships an update every 3 weeks, Thermal Viewer every 6 days. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.
| Parameter | Ara Authentic | Thermal Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 85 MB | 35 MB |
| Age rating | 4+ | +4 |
| Developer | Maik Arink | Rush Tools LLC |
In-app purchases
Ara Authentic
No in-app purchases
Thermal Viewer
- Pro Weekly3 Days trial$4.997 Days
- Pro Yearly$29.991 Year
- Lifetime Access$49.99
Questions
Is Ara Authentic free?
Is Thermal Viewer free?
Do Ara Authentic or Thermal Viewer have ads?
Which is updated more often, Ara Authentic or Thermal Viewer?
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