ZEISS Z Source vs Sensitivity Tests
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ZEISS Z Source
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The ZEISS "Z Source App" is an intuitive content activation platform for Eye Care Professionals (ECPs.) Z Source explains lens product options, diagnostic tools, and equipment features and benefits tied to real-life eye care solutions to show and educate your vision customers. This empowering user-friendly app tool makes viewing and finding content incredibly easy, and enables you to, present, share, and measure your goals along the way. Simple and easy to use, this app letβs you present supported materials with ease and share them with your customers instantly. Helps you plan and prepare for customer visits. Instantly lets you present and explain complex topics through video and presentation materials. Allowsβ you to share feedback on available materials and make annotations on marketing materials. Helps you keep track of your business needs with detailed analytics. All materials are always up-to-date with live sync capabilities at the touch of a button.
Sensitivity Tests
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The first vision sensitivity measurements that can help eye care professionals to measure the sensitivity score of their patients, which will be used as a unique personalization parameter for Nikon's latest lenses and will provide a unique design according to each visual preference. The tests work by showing the participant images with different levels of bluriness and asking him to choose the image where the letters start to be defined. These tests determine the unique vision sensitivity scores for far and near vision.
Verdict
The clearest difference is update cadence: Sensitivity Tests at every 5 weeks against ZEISS Z Source's every 8 months. Sensitivity Tests also leads on iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ZEISS Z Source ships an update every 8 months, Sensitivity Tests every 5 weeks. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.
| Parameter | ZEISS Z Source | Sensitivity Tests |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 5 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPad | iPad |
| Requires iOS | 14.0 | 12.0 β better |
| Further details β not scored | ||
| Size | 110 MB | 105 MB |
| Age rating | 4+ | 4+ |
| Developer | bigtincan mobile pty ltd | Nikon Optical USA |
In-app purchases
ZEISS Z Source
No in-app purchases
Sensitivity Tests
No in-app purchases
Questions
Is ZEISS Z Source free?
Is Sensitivity Tests free?
Do ZEISS Z Source or Sensitivity Tests have ads?
Which is updated more often, ZEISS Z Source or Sensitivity Tests?
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