Comparison

ProCam vs Photo Extension Histogram

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

Head to head
About

ProCam

This app offers advanced manual controls for photography and videography, including exposure, focus, and white balance. It supports RAW image capture, high frame rates, and various shooting modes like burst and time-lapse. An integrated editor allows for non-destructive adjustments and creative effects.

Highlights
  • Manual exposure, shutter speed, ISO, focus, white balance
  • RAW (DNG) and TIFF file format support
  • Multiple shooting modes (Photo, Burst, Slow Shutter, Portrait, Video, Time Lapse)
  • High frame rate and resolution video recording
  • Non-destructive photo and video editing
  • 60 filters and 17 creative lenses
  • Live histogram and focus assist
Features
Read full description

***ONE-TIME PURCHASE, NO SUBSCRIPTIONS*** SHOOTING MODES - Photo - Burst Mode - Slow Shutter - Portrait Mode - supported on all dual lens camera system as well as iPhone XR and iPhone SE 2020 - 3D Photo - requires dual lens camera system - Video - Time Lapse PHOTO SHUTTER RELEASE OPTIONS - Self-Timer - Anti-Shake - Screen Shutter / Big Button - Interval VIDEO FRAME RATES AND RESOLUTIONS - VGA, 720p, 1080p - 4K Ultra HD - 3264x1836 upscaled to 3840x2160 - in-app purchase - iPhone 5s / iPad Air 2 and later - 4K Ultra HD - 3840x2160 - native support on iPhone 6s / Plus and later - 4K Max - 4032x2268 - in-app purchase - iPhone 6s / Plus and later - High frame rate: * 48 / 50 / 60 fps 720p - iPhone 5 / iPad mini and later * 96 / 100 /120 fps 720p - iPhone 5s / iPad Air 2 and later * 192 / 200 / 240 fps 720p - iPhone 6 and later * 48 / 50 / 60 fps 1080p - iPhone 6 and later * 96 / 100 / 120 fps 1080p - iPhone 6s / Plus and later * 192 / 200 / 240 fps 1080p - iPhone 8 and later * 48 / 50 / 60 fps 4K - iPhone 8 and later TIME LAPSE FRAME RATES AND RESOLUTIONS - VGA, 720p, 1080p - 4K Ultra HD - 3264x1836 upscaled to 3840x2160 - in-app purchase - iPhone 5 / iPad Air 2 and later - 4K Ultra HD - 3840x2160 - native support on iPhone 6s / Plus and later - 4K Max - 4032x2268 - in-app purchase - iPhone 6s / Plus and later - High frame rate: * 48 / 50 / 60 fps 720p - all devices * 48 / 50 / 60 fps 1080p - all devices * 48 / 50 / 60 fps 4K - iPhone 5 / iPad Air 2 and later * 48 / 50 / 60 fps 4K Max - iPhone 6s / Plus and later MANUAL CONTROLS - Manual exposure, shutter speed, ISO, focus, and white balance controls - Scroll and steppers system inspired by DSLR cameras - Tap location accurate manual focus assist - True focus peaking - Zebra stripes - overexposure warning - Live shutter speed, ISO, focus, and WB values - Manual controls are supported in all photo and video modes MAIN CAMERA FEATURES - RAW (DNG) iOS 10 - iPhone 6s / iPad Pro 9.7 and later - Lossless TIFF file format support - Intelligent 3-shot HDR - AEB (Auto Exposure Bracketing) with RAW support for high contrast conditions - Live light level histogram - Adjustable aspect ratio (4:3 / 3:2 / 16:9 / 1:1) - Video pause/resume functionality - Video audio meter (Avg. / Peak signal levels) - Still photo capture during video recording - Realtime video stabilization (ON/OFF) - Video disk space indicator - Thirds grid and horizontal tiltmeter. - Date / time / location / Copyright stamp PHOTO / VIDEO EDITOR & PHOTO EDITING EXTENSION - Nondestructive editing - all edits, including cropping, are completely amendable / reversible - 60 expertly crafted filters - 17 lenses: Vignette / White Vignette / Fisheye / Tilt Shift / Macro / Tiny Planet / Wormhole / Split / Kaleidoscope I, II, III, IV, V / Ripple / Striped / Hatched / Halftone - 19 comprehensive adjustment tools - Trimming, cropping, rotating, mirroring, straightening, and perspective correction - Extremely accurate timeline with the ability to review videos frame by frame - Ability to add background music

About

Photo Extension Histogram

Analyze the tonal and color distribution of your photos with detailed histograms. Get guidance on understanding exposure and contrast to improve your photography skills. Works seamlessly within the Apple Photos app on iPhone and iPad.

Highlights
  • Tonality Histogram
  • RGB Channel Histogram
  • Luminosity Histogram
  • Exposure and Contrast Advice
  • Photo App Integration
  • Save Histogram with Photo
Read full description

** ESSENTIAL PHOTO UTILITY ** Photo Extension Histogram provides Tonality, RGB Channels, and Luminosity histograms for photos stored in the Apple Photos app for iPhone and iPad. This extension is great for photographers who need to analyze the tonal and color distribution of photos to identify underexposure, overexposure, and appropriate levels of contrast. The extension also explains, advises, and guides you on how to understand each histogram to be a great photographer! To use this extension, open the Apple Photos app, select any photo, tap the Action button, and then select the Photo Extension. You can also use the extension when editing photos. Photo Extension Histogram: + Quick and easy to use. + Supported in most photo apps Action button. + Works on the iPhone and iPad. + Available from Action Extension or Edit Extension. + Shows Tonality Histogram. + Shows RGB Channel Histogram. + Shows Luminosity Histogram. + Provides advice about dark, light, and mid-tones. + Provides advice about high and low contrast. + Explains each histogram in plain English for everyone to understand. + Save photo with the histogram in the Photo Library. MORE APPS: Check out all our apps at https://digiguys.com SUPPORT: We are here to help https://www.digiguys.com/help FACEBOOK PAGE: Join our Facebook Page for tips, ideas, support, and much more... be part of the community! https://www.facebook.com/digiguysapps

Screenshots

ProCam4 screens
Photo Extension Histogram4 screens

Verdict

The call

The clearest difference is rating: ProCam at 4.6 against Photo Extension Histogram's 3.9. ProCam also leads on update cadence (every 5 days vs monthly) and ratings volume (35K vs 19). Photo Extension Histogram's advantage is price ($1.99 vs $9.99) and in-app purchases (none vs 9). On 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

ProCam costs $9.99 and Photo Extension Histogram $1.99 up front. ProCam sells 9 one-off in-app purchases. Photo Extension Histogram asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ProCam holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: ProCam has 35K ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 64% of ProCam's written reviews are positive against 55% of Photo Extension Histogram's.

UpkeepUpdate frequency

ProCam ships an update every 5 days, Photo Extension Histogram monthly. The most recent releases landed on October 30, 2026 and October 26, 2026 respectively.

Scorecard9 real differences · 2 level
ProCam versus Photo Extension Histogram: the parameters behind the verdict, then further details
ParameterProCamPhoto Extension Histogram
Price$9.99$1.99 — better
Rating4.6 (35K ratings) — better3.9 (19 ratings)
Positive reviews64.5% of reviews — better55.0% of reviews
Number of ratings35K — better19
Update frequencyEvery 5 days — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank#22 — better—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size89 MB77 MB
Age rating4+4+
DeveloperTinkerworks AppsDigiguys, Inc

Customer experience

ProCam

All ratings35,353 ratings
Positive90.7%
Neutral3.6%
Negative5.7%
Written reviews1,014 reviews
Positive64.5%
Neutral8.2%
Negative27.3%

Photo Extension Histogram

All ratings19 ratings
Positive73.7%
Neutral0.0%
Negative26.3%
Written reviews20 reviews
Positive55.0%
Neutral10.0%
Negative35.0%

Bugs and requests

ProCam

Reported bugs

4 issues
  • Crashes when deleting photos
  • Inconsistent behavior with RAW/TIFF formats
  • Issues with external mic support in video mode
  • Problems with long exposure and time-lapse features

Requested features

5 requests
  • Improved video editing and export options
  • Better integration with Apple's ecosystem
  • More intuitive controls and UI
  • Faster processing and saving of photos/videos
  • Expanded support for newer iPhone camera features

Photo Extension Histogram

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

ProCam

One-time9
  • Batch Photo ActionsFree
  • ZERO: Direct Sensor CaptureFree
  • AI SpatialFree
Show 6 more
  • The Urban Collection$0.99
  • The Elemental Collection$0.99
  • The Master Collection$1.99
  • 4K Ultra HD Time Lapse$2.99
  • 4K Ultra HD Video$4.99
  • 8K Max Time Lapse$4.99
None

Photo Extension Histogram

No in-app purchases

Questions

Is ProCam free?
ProCam costs $9.99, and also offers in-app purchases.
Is Photo Extension Histogram free?
Photo Extension Histogram costs $1.99, with no in-app purchases.
Which has better reviews, ProCam or Photo Extension Histogram?
ProCam is rated higher. ProCam averages 4.6 out of 5 from 35K ratings, while Photo Extension Histogram averages 3.9 from 19 ratings.
Do ProCam or Photo Extension Histogram have ads?
Neither ProCam nor Photo Extension Histogram shows ads.
Which is updated more often, ProCam or Photo Extension Histogram?
ProCam ships an update every 5 days, and Photo Extension Histogram monthly. Most recently, ProCam was updated on October 30, 2026 and Photo Extension Histogram on October 26, 2026.

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