Comparison

Photo Extension Composition vs mySpotMeter

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

Head to head
About

Photo Extension Composition

This utility overlays over 10 artistic photography composition rules onto your photos. It guides you to understand and apply these rules, helping you tell a better story with your images. Save your compositions directly to your photo library.

Highlights
  • Overlays 10+ composition rules
  • Guides on understanding rules
  • Advice on rule application
  • Works with Apple Photos
  • Save compositions to library
  • Quick and easy to use
Read full description

** ESSENTIAL PHOTO UTILITY ** Photo Extension Composition overlays over 10 artistic photography composition rules on photos stored in the Apple Photos app for iPhone and iPad. This extension is great for photographers who want to become better at photograph composition. The extension also shows, advises, and guides you on how to understand each composition rule 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 Composition: + 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. + Guides you to tell a story with your photography. + Overlays over 10 composition rules over your photos. + Provides explanations of each composition rule. + Provides advice on how to apply the rule. + Save photo with the composition rule overlay in the Photos 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

About

mySpotMeter

This app transforms your iPhone into a precise spot meter for photographers. It allows for detailed exposure control by measuring specific areas, evaluating contrast, and calculating settings for film or digital photography.

Highlights
  • Selectable 1°, 2°, and 4° spot metering angles
  • Dedicated readings for shadows, highlights, and middle gray
  • Aperture or shutter speed priority
  • Store and compare measurements
  • Instant aperture calculation
  • Wide ISO, shutter speed, and aperture ranges
Read full description

Designed by a photographer, for photographers. Built with one clear goal: precise spot metering for photographers who want full control over exposure. mySpotMeter turns your iPhone into a dedicated spot meter with selectable 1°, 2° and 4° measuring angles. Whether you shoot film or digital, you can isolate specific areas, evaluate contrast and place your exposure with confidence. Key Features • Selectable 1°, 2° and 4° spot metering angles • Dedicated readings for shadows, highlights and middle gray • Aperture or shutter speed priority • Average readings mode • Store and compare measurements directly on the exposure scale • Clear EV difference between your target and the current reading • Instant aperture calculation based on the selected ISO and shutter speed • Shutter speed range from 240 seconds to 1/8000s • Aperture range from f/1.0 to f/128 • ISO range from 3 to 409.6K • Exposure settings in 1/3 or 1/2-stop increments • Measure using the on-screen control or the iPhone volume buttons • Automatic calibration and precise manual EV adjustment • Filter factor correction up to FF1000 Built for Deliberate Exposure Instead of averaging the entire scene, mySpotMeter lets you measure only the area that matters. Compare shadows and highlights, understand the available contrast and decide exactly where to place your exposure before pressing the shutter. Download the User Manual You can view or download the complete user manual before purchasing or downloading the app. Scroll to the Information section of this App Store page and tap Developer Website. About This app is built and maintained by an independent photographer and developer. It is a focused photographic tool, continuously refined through real-world use. If you have suggestions or need help, feel free to contact me: davidquiles@me.com

Screenshots

Photo Extension Composition4 screens
mySpotMeter4 screens

Verdict

The call

The clearest difference is rating: mySpotMeter at 4.5 against Photo Extension Composition's 3.5. mySpotMeter also leads on review sentiment (100% vs 63%) and update cadence (every 2 days vs monthly). Photo Extension Composition's advantage is price ($1.99 vs $5.99) and device support (3 vs 1). On ratings volume, ads, in-app purchases and monetization model 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

Photo Extension Composition costs $1.99 and mySpotMeter $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

mySpotMeter holds the better App Store score, 4.5 against 3.5. Both are backed by a comparable volume of ratings — 13 and 11 respectively. Written reviews point the same way: 63% of Photo Extension Composition's written reviews are positive against 100% of mySpotMeter's.

UpkeepUpdate frequency

Photo Extension Composition ships an update monthly, mySpotMeter every 2 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard7 real differences · 4 level
Photo Extension Composition versus mySpotMeter: the parameters behind the verdict, then further details
ParameterPhoto Extension CompositionmySpotMeter
Price$1.99 — better$5.99
Rating3.5 (13 ratings)4.5 (11 ratings) — better
Positive reviews62.5% of reviews100.0% of reviews — better
Number of ratings13 — better11
Update frequencyMonthlyEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank—#44 — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better26
Further details — not scored
Size72 MB11 MB
Age rating4+4+
DeveloperDigiguys, IncDavid Quiles

Customer experience

Photo Extension Composition

All ratings13 ratings
Positive61.5%
Neutral0.0%
Negative38.5%
Written reviews16 reviews
Positive62.5%
Neutral6.3%
Negative31.3%

mySpotMeter

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Photo Extension Composition

No in-app purchases

None

mySpotMeter

No in-app purchases

Questions

Is Photo Extension Composition free?
Photo Extension Composition costs $1.99, with no in-app purchases.
Is mySpotMeter free?
mySpotMeter costs $5.99, with no in-app purchases.
Which has better reviews, Photo Extension Composition or mySpotMeter?
mySpotMeter is rated higher. Photo Extension Composition averages 3.5 out of 5 from 13 ratings, while mySpotMeter averages 4.5 from 11 ratings.
Do Photo Extension Composition or mySpotMeter have ads?
Neither Photo Extension Composition nor mySpotMeter shows ads.
Which is updated more often, Photo Extension Composition or mySpotMeter?
Photo Extension Composition ships an update monthly, and mySpotMeter every 2 days. Most recently, Photo Extension Composition was updated on October 24, 2026 and mySpotMeter on October 28, 2026.

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