Comparison

EyeTesterPro vs RZ

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

Head to head
About

EyeTesterPro

Perform eye tests using your iPhone or iPad. Features single-device testing with adjustable charts and a two-device 'Connect mode' for remote operation. Ideal for quick vision checks at home.

Highlights
  • Single device eye testing
  • Two-device 'Connect mode' via Bluetooth
  • Adjustable eye chart distance (1-5 meters)
  • Adjustable eye chart size
  • Remote control and display modes
  • Randomized chart angle adjustment
Features
Read full description

This is an eye test application. This application program has the "Connect mode". The mode can communicate two iPhone/iPad with Bluetooth. "Connect mode" can eye test alone by the distance from 1 to 5 meters. Moreover, this application has "Single Mode". This mode can testing with one iPhone/iPad. If this application is used, the eye test of your hope is possible. ※Caution One iPad or more is necessary so that you may testing five meters. [ Single mode ] If you select this mode, be possible to Eye test by single iPhone/iPad. Change the Eye chart by your scroll action. ※Caution It is assumed to be used by multiple people. When eye test, you should take distance from iphone. Horizontal scroll : Change eye chart angle at random Vertical scroll : Change eye chart size [ Connect mode ] If you select this mode, be possible to eye test by two connected iPhone/iPad. Please choose Remote control mode or Display mode with iPhone/iPad respectively. By doing so you can operate iPhone/iPad from a distance. Remote control side : Select distance, make an answer,show result Display side : Show eye test chart -Distance and Eye test chart size- Distance : 1meter, 3meters, (iPad)5meters Chart size : 0.1 - 0.5 (in increments of 0.1) ※Caution!! This application doesn't guarantee about eye test result. If you hope for the accurate diagnosis, you should undergo an examination as an ophthalmologist.

About

RZ

This medical imaging app connects wirelessly to a handheld ultrasound system, allowing users to control imaging parameters and modes in real-time. It offers a user-friendly interface for easy operation on iOS devices.

Highlights
  • Real-time imaging
  • Wireless network connection
  • Parameter control
  • Mode switching
  • Touch and gesture operation
  • User-friendly interface
Features
Read full description

This App is the iPhone and iPad client-side software under the iOS platform developed by the Hunan Ramzed Medical Imaging team for the handheld ultrasound imaging diagnostic system, which is user-friendly, easy to operate, real-time imaging via a wireless network connection handheld ultrasound imaging diagnostic system. You can control the imaging with corresponding parameters and mode switching easily through touch or gesture operation in a variety of use environment.

Screenshots

EyeTesterPro3 screens
RZ1 screens

Verdict

The call

The clearest difference is price: RZ at Free against EyeTesterPro's $40.99. RZ also leads on update cadence (every 3 months vs every 37 months) and iOS requirement (8.0 vs 10.0). On ads, in-app purchases 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

RZ is free to download; EyeTesterPro costs $40.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

EyeTesterPro ships an update every 37 months, RZ every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard4 real differences · 6 level
EyeTesterPro versus RZ: the parameters behind the verdict, then further details
ParameterEyeTesterProRZ
Price$40.99Free — better
Rating—1.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings—1 — better
Update frequencyEvery 37 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.08.0 — better
Further details — not scored
Size8 MB44 MB
Age rating4+12+
DeveloperFUSO PRECISIONHunan RamZed Medical Imaging Technology Co., Ltd

Customer experience

EyeTesterPro

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

RZ

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

EyeTesterPro

No in-app purchases

None

RZ

No in-app purchases

Questions

Is EyeTesterPro free?
EyeTesterPro costs $40.99, with no in-app purchases.
Is RZ free?
RZ is free to download, with no in-app purchases.
Do EyeTesterPro or RZ have ads?
Neither EyeTesterPro nor RZ shows ads.
Which is updated more often, EyeTesterPro or RZ?
EyeTesterPro ships an update every 37 months, and RZ every 3 months. Most recently, EyeTesterPro was updated on November 1, 2026 and RZ on November 2, 2026.

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