EyeTesterPro vs RZ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- Real-time imaging
- Wireless network connection
- Parameter control
- Mode switching
- Touch and gesture operation
- User-friendly interface
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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
Verdict
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
RZ is free to download; EyeTesterPro costs $40.99 up front. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | EyeTesterPro | RZ |
|---|---|---|
| Price | $40.99 | Free — better |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 37 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 44 MB |
| Age rating | 4+ | 12+ |
| Developer | FUSO PRECISION | Hunan RamZed Medical Imaging Technology Co., Ltd |
Customer experience
EyeTesterPro
RZ
In-app purchases
EyeTesterPro
No in-app purchases
RZ
No in-app purchases









