Comparison

CameraSim for iPhone vs ReaderPro

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

Head to head
About

CameraSim for iPhone

This app visually explains DSLR camera controls and the effects of various settings. Experiment with different parameters like aperture, shutter speed, and ISO to understand how they impact your "photos." It's designed for beginners to learn photography interactively and for instructors to use as a visual aid.

Highlights
  • Visual DSLR control explanation
  • Simulates aperture, shutter speed, ISO effects
  • Demonstrates lighting and focal length impact
  • Shows parallax and motion blur
  • Instant feedback on settings
  • Preset and custom setting experimentation
Features
Read full description

Learn by doing: CameraSim for iPhone and iPad shows you how to use your DLSR camera! This is the enhanced version of the DSLR learning tool featured by Wired, USAToday, Engadget, Gizmodo, Lifehacker, PCWorld, and MacWorld that has garnered nearly 1 million “stumbles” from the StumbleUpon community. CameraSim visually explains the controls of a DLSR camera. Using a specially designed example image, CameraSim lets you experience the effects of various settings. SEE THE EFFECTS OF... • Aperture/f-stop • Shutter speed • ISO • Lighting • Focal length • Parallax • ‘Camera shake’ blur • Tripod stabilization • Subject motion blur • Over- and under-exposure • Exposure priority modes DESIGNED FOR NEWBIES • Experiment with wildly different settings and see how each affects the final “photo” • Get instant feedback about your “photo:” see what you did right, or get advice on how your settings can be improved • Observe the effects of preset example settings, or experiment with settings of your own IDEAL FOR INSTRUCTORS • Provides an interactive visual aid that demonstrates principles of photography to students • A fun and engaging way to demystify your DLSR camera! Please note that CameraSim for iPhone is in ENGLISH ONLY. (Other translations can be found in the iPad and Mac versions.) Note: CameraSim is designed iPad 2 and newer and iPhone 4 and newer.

About

ReaderPro

Enhance your reading abilities with daily drills focused on visual scanning, peripheral awareness, and word recognition. This app offers guided training plans and adaptive difficulty to improve focus, memory, and reading flow. Track your progress and see measurable improvements in your reading speed and control.

Highlights
  • 12+ Training Exercises
  • Guided Training Plans
  • Adaptive Difficulty
  • Progress Tracking
  • Reading + Focus Workouts
  • Clean, Minimal Design
Features
Read full description

ReaderPro helps you build speed-reading skill with short, focused daily drills. Train the pieces that make faster reading feel easier: visual scanning, peripheral awareness, word recognition, attention, working memory, and reading rhythm. Each session gives you a concrete exercise instead of vague advice like "just read faster". FEATURES: 12+ Training Exercises Practice with Schulte Tables, Running Words, Word Chains, Letter Search, Number Search, Line of Sight, Remember Number, Search Words, and more. Guided Training Plans Choose quick sessions that fit your day, then build consistency across focus, memory, reading flow, and visual-control drills. Adaptive Difficulty Exercises stay challenging as you improve, so practice feels active without turning frustrating. Progress Tracking Follow your scores, streaks, and training history so you can see what is actually improving. Reading + Focus Workouts Train the eye movement, attention, and memory skills that support faster, more controlled reading. Clean, Minimal Design A simple interface keeps the drill in front of you and gets out of the way. ReaderPro is designed for students, professionals, researchers, and curious readers who want to read faster, stay focused longer, and make reading practice measurable. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CameraSim for iPhone4 screens
ReaderPro4 screens

Verdict

The call

The clearest difference is review sentiment: CameraSim for iPhone at 56% against ReaderPro's 0%. CameraSim for iPhone also leads on rating (2.0 vs 1.0) and in-app purchases (none vs 3). ReaderPro's advantage is price (Free vs $1.99) and update cadence (every 4 days vs every 24 months). On ratings volume, 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

ReaderPro is free to download; CameraSim for iPhone costs $1.99 up front. ReaderPro sells 3 in-app purchases, starting at $1.99 per 7 days. CameraSim for iPhone asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CameraSim for iPhone holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 56% of CameraSim for iPhone's written reviews are positive against 0% of ReaderPro's.

UpkeepUpdate frequency

CameraSim for iPhone ships an update every 24 months, ReaderPro every 4 days. Both last shipped on September 23, 2026.

Scorecard7 real differences · 3 level
CameraSim for iPhone versus ReaderPro: the parameters behind the verdict, then further details
ParameterCameraSim for iPhoneReaderPro
Price$1.99Free — better
Rating2.0 (2 ratings) — better1.0 (1 ratings)
Positive reviews56.3% of reviews — better0.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 24 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 — better15.1
Further details — not scored
Size49 MB37 MB
Age rating4+4+
DeveloperTuitiveAHMET EMRE DEDELER

Customer experience

CameraSim for iPhone

All ratings2 ratings
Positive0.0%
Neutral50.0%
Negative50.0%
Written reviews48 reviews
Positive56.3%
Neutral10.4%
Negative33.3%

ReaderPro

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

CameraSim for iPhone

No in-app purchases

3 purchases

ReaderPro

Subscriptions3
  • ReaderPro Pro Weekly7 Days trial$1.997 Days
  • ReaderPro Pro Monthly7 Days trial$2.991 Month
  • ReaderPro Pro Yearly7 Days trial$24.991 Year

Questions

Is CameraSim for iPhone free?
CameraSim for iPhone costs $1.99, with no in-app purchases.
Is ReaderPro free?
ReaderPro is free to download, with in-app purchases available.
Which has better reviews, CameraSim for iPhone or ReaderPro?
CameraSim for iPhone is rated higher. CameraSim for iPhone averages 2.0 out of 5 from 2 ratings, while ReaderPro averages 1.0 from 1 ratings.
Do CameraSim for iPhone or ReaderPro have ads?
Neither CameraSim for iPhone nor ReaderPro shows ads.
Which is updated more often, CameraSim for iPhone or ReaderPro?
CameraSim for iPhone ships an update every 24 months, and ReaderPro every 4 days. Most recently, CameraSim for iPhone was updated on September 23, 2026 and ReaderPro on September 23, 2026.

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