Comparison

ANCEL IR vs Positive View

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

Head to head
About

ANCEL IR

Features
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The mobile phone thermal imager is a portable thermal imaging product of long-wave infrared (8~14μm, LWIR), which can convert the thermal radiation of the measured object into images and temperature data. Main functions: 1. Supports ultra-high infrared resolution of 256X192 pixels, and displays thermal images in real time and high definition through 25Hz high frame rate. 2. Supports measurement of the full temperature range of -20℃~550℃ (-4℉~1022℉), and can accurately detect temperature changes of 0.1℃(32.18℉). 3. Supports real-time image photography and video recording, and can set the maximum\minimum\center temperature value display of point, line, and surface areas at any position on the image. 4. Supports thermal imaging\fusion\picture-in-picture mode switching, combining infrared images and visible light images. 5. Supports real-time temperature sound/light alarm, and can customize high or low temperature alarm values ​​and alarm modes. 6. Support real-time temperature waveform monitoring, you can set points, lines, and surface areas at any position on the image for temperature monitoring, automatically save temperature monitoring videos, support video playback and excel table data export. 7. Support the generation of temperature measurement analysis reports, you can select any photo in the album to generate a PDF report, and support PDF report sharing.

About

Positive View

Transform your phone into a live viewer for photographic negatives. Instantly see positive images from color or black-and-white film in real time. Ideal for quickly previewing, selecting, and referencing your film scans.

Highlights
  • Live negative viewing (color & B&W)
  • Automatic color balancing
  • Brightness, contrast, warmth controls
  • Freeze, zoom, and pan frame
  • Save positive image to Photos
  • Calibration for illumination and lens
  • Use second device as light panel
Features
Read full description

Positive View turns your iPhone camera into a high quality live viewer for photographic negatives. Place a color or black-and-white film over an even light source, point the camera at it, and Positive View displays a positive image in real time. Use it to quickly see the images, select the best ones for scanning, or make a quick reference image. Features: • Live color and black-and-white negative viewing • Automatic color balancing, with a lock for consistent viewing • Brightness, contrast, and warmth controls • Freeze, zoom, and pan a frame for closer inspection • Save the current positive to Photos • Calibrate for even illumination and to counter lens falloff • Turn a second device into a plain white light panel Camera processing happens on your device. Positive View has no ads, accounts, analytics, or tracking. Images are saved only on your device and only when you tap Save. For best results, use an even, diffused light source with low flicker and keep the film flat.

Screenshots

ANCEL IR4 screens
Positive View3 screens

Verdict

The call

The clearest difference is update cadence: Positive View at fortnightly against ANCEL IR's every 3 months. ANCEL IR's advantage is iOS requirement (13.0 vs 16.0). 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

ANCEL IR ships an update every 3 months, Positive View fortnightly. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 7 level
ANCEL IR versus Positive View: the parameters behind the verdict, then further details
ParameterANCEL IRPositive View
PriceFreeFree
Rating—5.0 (4 ratings) — better
Number of ratings—4 — better
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size19 MB2 MB
Age rating4+4+
DeveloperShenzhen Leagend Optoelectronics Co., Ltd.Mikhail Rybakov

In-app purchases

None

ANCEL IR

No in-app purchases

None

Positive View

No in-app purchases

Questions

Is ANCEL IR free?
ANCEL IR is free to download, with no in-app purchases.
Is Positive View free?
Positive View is free to download, with no in-app purchases.
Do ANCEL IR or Positive View have ads?
Neither ANCEL IR nor Positive View shows ads.
Which is updated more often, ANCEL IR or Positive View?
ANCEL IR ships an update every 3 months, and Positive View fortnightly. Most recently, ANCEL IR was updated on October 13, 2026 and Positive View on October 24, 2026.

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