Comparison

iRis vs Sound Amplifier | Volume Boost

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

Head to head
About

iRis

This app enhances vision by adding contrast to images, making text easier to read. It works with any VR headset that supports camera input and is compatible with iOS devices.

Highlights
  • VR headset compatibility
  • Image contrast enhancement
  • Grayscale vision mode
  • Improved text readability
  • iOS 8 and up support
Read full description

iRis current features: - Any VR Headset that allows your camera to be used works - Adds contrast to the image to make distinctions between objects easier (currently in grayscale) - Makes text easier to read - Any cell phone works (iOS 8 and up) Instructions: 1. Open iRis and place your cell phone into a VR headset. 2. Put on the VR headset Created by Henry Warren

About

Sound Amplifier | Volume Boost

Amplify live headphone audio and enhance your listening experience. This app offers volume boosts, music enhancement, and even a hearing assessment. Record audio and review transcriptions to never miss a word.

Highlights
  • Volume boost presets
  • Music enhancement
  • Hearing assessment
  • Live audio recording
  • Real-time transcriptions
  • Personalized hearing profiles
  • Noise reduction
Features
Read full description

Enhance Your Hearing with Audio Amplifier! Don't miss out on a single sound – open the door to a world of amplified audio! Key Features + Louder Volume Boost: > Select from various sound amplification presets + Music Enhancement: > Elevate your music experience in your favorite Music apps > Immerse yourself in your favorite tunes with superior sound quality + Hearing Assessment Choices: > Assess your hearing accuracy with headphones for precise results > Conveniently use your iPhone's speaker for a quick evaluation + Listen Live and Record: > Record looped audio discreetly to revisit what you've heard > Review real-time transcriptions to ensure you never miss a word Premium Subscription Features: ○ Personalized Hearing Profiles: > Customize your hearing experience with preset options for everyday needs > Conduct a built-in hearing test to fine-tune sound to your unique hearing profile ○ Louder Volume Boost > Boost audio up to 10 times for everyday situations ○ Reduce noise > Eliminates background noise, increases speech intelligibility ○ Maximize music > Export your music with maximum effort > Export music with custom equalizer settings SUBSCRIPTION NOTICE: Please note that a premium subscription is required to access all the app's features. Privacy policy: https://docs.google.com/document/d/1SaV6gewYAk2gdvdJSZGH8spAyA805eJBkxWhmBnK_mc/edit?usp=sharing Terms of service: https://docs.google.com/document/d/1xyNnScm0PrTtNsWxVzWuvFHyVT8Cmi6h3R0BSiTvwso/edit?usp=sharing

Screenshots

iRis4 screens
Sound Amplifier | Volume Boost4 screens

Verdict

The call

The clearest difference is in-app purchases: iRis at none against Sound Amplifier | Volume Boost's 5. iRis also leads on iOS requirement (8.0 vs 14.0). Sound Amplifier | Volume Boost's advantage is ratings volume (2.3K vs 10) and review sentiment (84% vs 75%). On price, rating, 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. Sound Amplifier | Volume Boost sells 5 in-app purchases, starting at $5.99 per 7 days. iRis asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sound Amplifier | Volume Boost holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Sound Amplifier | Volume Boost has 2.3K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 75% of iRis's written reviews are positive against 84% of Sound Amplifier | Volume Boost's.

Scorecard5 real differences · 5 level
iRis versus Sound Amplifier | Volume Boost: the parameters behind the verdict, then further details
ParameteriRisSound Amplifier | Volume Boost
PriceFreeFree
Rating4.3 (10 ratings)4.5 (2.3K ratings) — better
Positive reviews75.0% of reviews84.3% of reviews — better
Number of ratings102.3K — better
Update frequency—Every 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better14.0
Further details — not scored
Size43 MB34 MB
Age rating4+4+
DeveloperThomas WarrenIrakli Tsuladze

Customer experience

iRis

All ratings10 ratings
Positive80.0%
Neutral10.0%
Negative10.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

Sound Amplifier | Volume Boost

All ratings2,300 ratings
Positive87.2%
Neutral6.6%
Negative6.2%
Written reviews508 reviews
Positive84.3%
Neutral5.9%
Negative9.8%

Bugs and requests

iRis

Not enough reviews yet to summarise bugs or requests.

Sound Amplifier | Volume Boost

Reported bugs

3 issues
  • Recording feature not working
  • Delayed sound output
  • Compatibility issues with older devices

Requested features

4 requests
  • Compatibility with more audio sources
  • Background playback support
  • Customizable sound profiles
  • Volume boost for specific apps

In-app purchases

None

iRis

No in-app purchases

5 purchases

Sound Amplifier | Volume Boost

Subscriptions4
  • Weekly Access3 Days trial$5.997 Days
  • Hearing Amplifier, Ear Spy3 Days trial$11.991 Month
  • 3-Month Sound Boost Access$12.993 Months
Show 1 more
  • Listening Device, Amp Me3 Days trial$39.991 Year
One-time1
  • lifetime$44.99

Questions

Is iRis free?
iRis is free to download, with no in-app purchases.
Is Sound Amplifier | Volume Boost free?
Sound Amplifier | Volume Boost is free to download, with in-app purchases available.
Which has better reviews, iRis or Sound Amplifier | Volume Boost?
Sound Amplifier | Volume Boost is rated higher. iRis averages 4.3 out of 5 from 10 ratings, while Sound Amplifier | Volume Boost averages 4.5 from 2.3K ratings.
Do iRis or Sound Amplifier | Volume Boost have ads?
Neither iRis nor Sound Amplifier | Volume Boost shows ads.

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