Comparison

Brightness Adjuster vs BlackSight

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

Head to head
About

Brightness Adjuster

Enhance your photos by adjusting their sharpness and black and white balance. Easily select an image or take a new one, then use sliders to fine-tune the intensity for optimal results. Save your edited images with a single tap.

Highlights
  • Sharpening process for photos
  • Adjustable sharpening degree
  • Lighten dark photographs
  • Edit black and white balance intensity
  • Save edited images
  • Select photos from folder or camera
Features
Read full description

Sharpening process is performed to your photos. You can set the sharpening degree. Please appropriately control the sherpening degree in accordance with a situation. Such as you want to light the photograph which taken at a dark place. Step is shown below 1. Please take a photograph in the "Camera" tab or select a photo in the upper left folder icon. 2. Please edit the intensity of black and white balance to move the slide bar in the "Processing" tab. 3. Please select the "save" button. ※You can show or hide the slide bar if you tap the device in "Processing" tab. Please look at support URL for details. Thank you.

About

BlackSight

Capture brighter, less noisy photos in low light conditions with advanced long exposure algorithms. This app processes images locally on your device for enhanced privacy, offering manual focus, a timer, and a soft torch for dark scenes. It's compatible with various cameras and supports HEIC/JPEG formats.

Highlights
  • Low light photography
  • Long exposure algorithms
  • Local image processing
  • Manual focus
  • Soft torch
  • HEIC/JPEG format
Features
Read full description

BlackSight is a computational photography app designed to take brighter and images with little amount of noise in low light conditions. Using sophisticated long exposure algorithms, it can capture high quality photos in dark environments without requiring any internet connection. Your photos are processed locally on your device , hence protecting your privacy. Tripod is not required but using one will result in sharper images. Features: - Compatible with all cameras (front, ultra-wide, wide, telephoto) - Manual focus - Timer - Soft torch for illuminating super dark scenes - Photo format (HEIC/JPEG) - Shoot lower resolution image for faster processing - Grid - Mirrored selfies - Front flash - Smart white balance correction to reduce yellowish tint - Tripod mode for taking brighter and noise free images for very dark scenes Supported devices: - iPhone 6s and above - Front camera is not supported for iPhone 6s/6s+ Tips for better photos: - Choose a moderate/dim scene with uniform lighting (avoid harsh light source like lamps/street lights) - Use a tripod or rest your hands/phone on a surface for maximum sharpness - Always tap to focus before taking each photo and wait for focus to stabilises (Focussing can take 1-3 seconds to lock in dark scenes) - Hold your phone using two hands as it reduces hand motion - Hold your breath if you are doing handheld shot (Yes, this helps!!) - For selfies, do not blink your eyes and try to stay still with minimal head motion - For human portraits, make sure your subjects hold very still for up to 5 seconds - Avoid scenes having any kind of motion like cars, persons, crowds, pets, windy trees Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Brightness Adjuster4 screens
BlackSight4 screens

Verdict

The call

The clearest difference is review sentiment: BlackSight at 73% against Brightness Adjuster's 9%. BlackSight also leads on rating (3.8 vs 3.0) and ratings volume (44 vs 6). Brightness Adjuster's advantage is in-app purchases (none vs 3) and iOS requirement (11.2 vs 16.0). On price, update cadence, 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. BlackSight sells 3 in-app purchases, starting at $1.99 per 7 days. Brightness Adjuster asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BlackSight holds the better App Store score, 3.8 against 3.0. That said, the two scores are not equally well evidenced: BlackSight has 44 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 9% of Brightness Adjuster's written reviews are positive against 73% of BlackSight's.

UpkeepUpdate frequency

Brightness Adjuster ships an update every 6 weeks, BlackSight every 5 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

Scorecard6 real differences · 4 level
Brightness Adjuster versus BlackSight: the parameters behind the verdict, then further details
ParameterBrightness AdjusterBlackSight
PriceFreeFree
Rating3.0 (6 ratings)3.8 (44 ratings) — better
Positive reviews9.1% of reviews72.8% of reviews — better
Number of ratings644 — better
Update frequencyEvery 6 weeksEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS11.2 — better16.0
Further details — not scored
Size6 MB54 MB
Age rating4+4+
DeveloperDaisuke IsayamaFoxfortMobile

Customer experience

Brightness Adjuster

All ratings6 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews11 reviews
Positive9.1%
Neutral27.3%
Negative63.6%

BlackSight

All ratings44 ratings
Positive68.2%
Neutral2.3%
Negative29.5%
Written reviews92 reviews
Positive72.8%
Neutral6.5%
Negative20.7%

In-app purchases

None

Brightness Adjuster

No in-app purchases

3 purchases

BlackSight

Subscriptions1
  • BlackSight Pro Weekly$1.997 Days
One-time2
  • Remove watermark 2$6.99
  • Remove watermark$9.99

Questions

Is Brightness Adjuster free?
Brightness Adjuster is free to download, with no in-app purchases.
Is BlackSight free?
BlackSight is free to download, with in-app purchases available.
Which has better reviews, Brightness Adjuster or BlackSight?
BlackSight is rated higher. Brightness Adjuster averages 3.0 out of 5 from 6 ratings, while BlackSight averages 3.8 from 44 ratings.
Do Brightness Adjuster or BlackSight have ads?
Neither Brightness Adjuster nor BlackSight shows ads.
Which is updated more often, Brightness Adjuster or BlackSight?
Brightness Adjuster ships an update every 6 weeks, and BlackSight every 5 weeks. Most recently, Brightness Adjuster was updated on October 7, 2026 and BlackSight on October 14, 2026.

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