Comparison

Seek Thermal vs TopInfrared

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

TopInfrared

This thermal imaging camera app provides high-resolution thermal images for precise temperature detection. It's ideal for inspecting insulation, examining electronics, and identifying heat loss with excellent accuracy and sensitivity.

Highlights
  • High-resolution thermal imaging (256x192)
  • Precise temperature detection
  • Insulation inspection
  • Circuit board examination
  • High heat sensitivity (40mk)
  • Low power consumption
Features
Read full description

Applications: The iOS smartphone thermal imaging camera offers exceptional precision in detecting temperatures, inspecting insulation, and examining circuit boards. Its impressive 256x192 ultra-high resolution ensures that thermal images are both sharp and detailed. The device has a temperature accuracy of ±3.6°F(2°C), boasting a resolution of 0.1°C. Moreover, with a low power consumption of only 0.35W, you can use it for extended periods without concerns about battery life. The camera's high heat sensitivity of 40mk enables it to detect even the slightest temperature changes with great precision.

Screenshots

Seek Thermal4 screens
TopInfrared4 screens

Verdict

The call

The clearest difference is rating: TopInfrared at 3.5 against Seek Thermal's 2.5. TopInfrared also leads on update cadence (every 3 weeks vs every 3 months) and review sentiment (40% vs 24%). Seek Thermal's advantage is in-app purchases (none vs 1) and ratings volume (321 vs 48). On price, ads 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. TopInfrared sells 1 one-off in-app purchase. Seek Thermal asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TopInfrared holds the better App Store score, 3.5 against 2.5. That said, the two scores are not equally well evidenced: Seek Thermal has 321 ratings behind it against 48, 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 40% of TopInfrared's.

UpkeepUpdate frequency

Seek Thermal ships an update every 3 months, TopInfrared every 3 weeks. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

Scorecard7 real differences · 3 level
Seek Thermal versus TopInfrared: the parameters behind the verdict, then further details
ParameterSeek ThermalTopInfrared
PriceFreeFree
Rating2.5 (321 ratings)3.5 (48 ratings) — better
Positive reviews23.8% of reviews39.7% of reviews — better
Number of ratings321 — better48
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better12.0
Further details — not scored
Size112 MB518 MB
Age rating4+4+
DeveloperSeek Thermal, Inc.HK TOPDON TECHNOLOGY Co., LIMITED

Customer experience

Seek Thermal

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

TopInfrared

All ratings48 ratings
Positive64.6%
Neutral8.3%
Negative27.1%
Written reviews73 reviews
Positive39.7%
Neutral13.7%
Negative46.6%

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

TopInfrared

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Seek Thermal

No in-app purchases

1 purchases

TopInfrared

One-time1
  • AI Features$19.99

Questions

Is Seek Thermal free?
Seek Thermal is free to download, with no in-app purchases.
Is TopInfrared free?
TopInfrared is free to download, with in-app purchases available.
Which has better reviews, Seek Thermal or TopInfrared?
TopInfrared is rated higher. Seek Thermal averages 2.5 out of 5 from 321 ratings, while TopInfrared averages 3.5 from 48 ratings.
Do Seek Thermal or TopInfrared have ads?
Neither Seek Thermal nor TopInfrared shows ads.
Which is updated more often, Seek Thermal or TopInfrared?
Seek Thermal ships an update every 3 months, and TopInfrared every 3 weeks. Most recently, Seek Thermal was updated on September 25, 2026 and TopInfrared on September 23, 2026.

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