Comparison

Seek Thermal vs Voltcraft Thermal Imaging

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

Head to head
About

Seek Thermal

Transform your smartphone into a professional thermal imaging camera. Detect, inspect, measure, and visualize thermal energy in various environments, day or night. Capture and share thermal photos and videos with ease.

Highlights
  • Turn phone into thermal camera
  • Capture and share thermal photos/videos
  • Take spot temperatures
  • Inspect and diagnose thermal sources
  • Examine objects in any light
  • Multiple viewing modes and palettes
Features
Read full description

**Featured as Best Product of the Year by Popular Science and This Old House **Featured Best of the Best New Products by Field & Stream **Featured in more than 500 Global press articles this year Seek Thermal is the best way to experience and visualize thermal energy while on the go, at work, indoors, or in the outdoors. With this free app and a Seek thermal imaging camera, you can quickly and accurately detect, inspect, measure, and visualize thermal energy from your smartphone or tablet. With the official Seek App, you can easily: • Turn your phone into a professional thermal imaging camera • Capture and easily share, store or document thermal photos & videos • Take spot temperatures and thermal images detailing the entire scene • Accurately inspect, diagnose, and assess the source quickly • Safely examine any object in daylight or total darkness, including through obscurants like fog, smoke and light brush • Easily navigate between multiple viewing modes and color palettes – ensuring multiple options to gain the best thermal image Some advanced features are not available to entry-level Compact and CompactXR models like Span & Level and Emissivity.

About

Voltcraft Thermal Imaging

Control your thermal imager remotely, preview live feeds, capture images and videos, and transfer stored data. Analyze thermal images, add annotations, and generate reports for easy sharing via email or social media.

Highlights
  • Remote thermal imager control
  • Real-time preview
  • Image and video capture
  • Data transfer from imager
  • Thermal image analysis
  • Report generation
  • Email and social sharing
Features
Read full description

The app is for Voltcraft thermal imagers. The app allows remote control of the thermal imager via the app, making real-time preview and taking pictures, recording videos in the app. It can also transfer stored images from the thermal imager to the app, analyze thermal images, make annotations, and create reports quickly and easily via the app. And you can send images or reports by email or share on Social media network.

Screenshots

Seek Thermal4 screens
Voltcraft Thermal Imaging1 screens

Verdict

The call

The clearest difference is rating: Seek Thermal at 2.5 against Voltcraft Thermal Imaging's 1.0. Seek Thermal also leads on ratings volume (332 vs 2) and review sentiment (24% vs 0%). On price, update cadence, ads 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.

ReceptionRating · Positive reviews · Number of ratings

Seek Thermal holds the better App Store score, 2.5 against 1.0. That said, the two scores are not equally well evidenced: Seek Thermal has 332 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 24% of Seek Thermal's written reviews are positive against 0% of Voltcraft Thermal Imaging's.

UpkeepUpdate frequency

Seek Thermal ships an update every 3 months, Voltcraft Thermal Imaging every 4 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
Seek Thermal versus Voltcraft Thermal Imaging: the parameters behind the verdict, then further details
ParameterSeek ThermalVoltcraft Thermal Imaging
PriceFreeFree
Rating2.5 (332 ratings) — better1.0 (2 ratings)
Positive reviews23.8% of reviews — better0.0% of reviews
Number of ratings332 — better2
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size112 MB16 MB
Age rating4+17+
DeveloperSeek Thermal, Inc.CEI Conrad Electronic International (HK) Limited

Customer experience

Seek Thermal

All ratings321 ratings
Positive35.5%
Neutral5.9%
Negative58.6%
Written reviews387 reviews
Positive23.8%
Neutral8.8%
Negative67.4%

Voltcraft Thermal Imaging

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Seek Thermal

Reported bugs

4 issues
  • App crashes frequently
  • Camera not detected or recognized
  • Thermal image orientation issues
  • Inability to save or access captured images

Requested features

4 requests
  • Add ability to adjust emissivity
  • Improve image processing and overlay features
  • Implement better temperature measurement tools
  • Provide more user-friendly tutorials and documentation

Voltcraft Thermal Imaging

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Seek Thermal

No in-app purchases

None

Voltcraft Thermal Imaging

No in-app purchases

Questions

Is Seek Thermal free?
Seek Thermal is free to download, with no in-app purchases.
Is Voltcraft Thermal Imaging free?
Voltcraft Thermal Imaging is free to download, with no in-app purchases.
Which has better reviews, Seek Thermal or Voltcraft Thermal Imaging?
Seek Thermal is rated higher. Seek Thermal averages 2.5 out of 5 from 332 ratings, while Voltcraft Thermal Imaging averages 1.0 from 2 ratings.
Do Seek Thermal or Voltcraft Thermal Imaging have ads?
Neither Seek Thermal nor Voltcraft Thermal Imaging shows ads.
Which is updated more often, Seek Thermal or Voltcraft Thermal Imaging?
Seek Thermal ships an update every 3 months, and Voltcraft Thermal Imaging every 4 months. Most recently, Seek Thermal was updated on October 24, 2026 and Voltcraft Thermal Imaging on October 15, 2026.

Other comparisons