Comparison

RedEye Fix vs Zen Optimizer

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

Head to head
About

RedEye Fix

Effortlessly remove red eyes from your photos automatically. This app utilizes advanced computer vision to detect eyes and correct red-eye in an instant, without any manual editing required.

Highlights
  • Automatic red-eye detection
  • Instant red-eye correction
  • Computer vision technology
  • No manual editing required
  • Photo filtering
Features
Read full description

Remove red eyes from your photos in seconds. No manual editing, everything is done automatically. The app uses computer vision, detect eyes and remove red color from photos in a moment. About Subscription The app contains weekly subscription at price $3.99. • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • The account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase Terms of Use: https://sites.google.com/view/alexapps/terms-of-use Privacy Policy: https://sites.google.com/view/alexapps/privacy-policy

About

Zen Optimizer

Features
Read full description

Your iPhone is full. Your memories do not have to disappear. Zen Optimizer is a private photo and video compressor that reclaims storage directly on your iPhone or iPad. Choose your media, preview the potential savings, and decide exactly what to optimize. Processing stays on your device—no cloud upload, account, or external server. MORE SPACE, SAME MEMORIES • Compress photos and videos in batches • Preview estimated storage savings before you start • Choose the balance between file size and visual quality • Keep, optimize, or remove items with simple controls • Review before-and-after sizes in your optimization history HOW IT WORKS 1. Select photos and videos from your library 2. Review their size and estimated savings 3. Choose an optimization level 4. Confirm what happens to the originals 5. See the space reclaimed when the job completes PRIVATE BY DESIGN Your photos and videos remain on your device. Zen Optimizer does not require an account and does not send your media to a cloud compression service. Ideal when large videos fill your camera roll, your storage is running low, or you want smaller media files without giving up the moments that matter. Reclaim space with control. Keep the memories.

Screenshots

RedEye Fix3 screens
Zen Optimizer4 screens

Verdict

The call

The clearest difference is in-app purchases: Zen Optimizer at none against RedEye Fix's 4. Zen Optimizer also leads on ads (none vs shown). RedEye Fix's advantage is iOS requirement (14.0 vs 17.0). On price, update cadence 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. RedEye Fix sells 4 in-app purchases, starting at $5.99 per 7 days. Zen Optimizer asks for nothing beyond the download.

UpkeepUpdate frequency

RedEye Fix ships an update monthly, Zen Optimizer fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
RedEye Fix versus Zen Optimizer: the parameters behind the verdict, then further details
ParameterRedEye FixZen Optimizer
PriceFreeFree
Rating4.2 (119 ratings) — better—
Positive reviews5.4% of reviews—
Number of ratings119 — better—
Update frequencyMonthlyFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size112 MB3 MB
Age rating4+4+
DeveloperAleksei MetelkinDavide Zanon

Bugs and requests

RedEye Fix

Reported bugs

6 issues
  • Red-eye correction fails
  • Cannot select images from Recent folder
  • App forces payment/ads
  • Edited photos cannot be saved
  • Automatic payment/subscription renewal
Show 1 more
  • App copies native photo functionality

Requested features

3 requests
  • Allow manual adjustment of red-eye correction
  • Provide clear information on subscription cancellation
  • Translate terms of service to multiple languages

Zen Optimizer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

RedEye Fix

Subscriptions4
  • Weekly subscription3 Days trial$5.997 Days
  • Monthly subscription3 Days trial$5.991 Month
  • Yearly Subscription$9.991 Year
Show 1 more
  • Yearly subscription3 Days trial$24.991 Year
None

Zen Optimizer

No in-app purchases

Questions

Is RedEye Fix free?
RedEye Fix is free to download, with in-app purchases available.
Is Zen Optimizer free?
Zen Optimizer is free to download, with no in-app purchases.
Do RedEye Fix or Zen Optimizer have ads?
RedEye Fix shows ads; Zen Optimizer does not.
Which is updated more often, RedEye Fix or Zen Optimizer?
RedEye Fix ships an update monthly, and Zen Optimizer fortnightly. Most recently, RedEye Fix was updated on November 3, 2026 and Zen Optimizer on October 31, 2026.

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