Hoya Sensor vs Nextsense eSign
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hoya Sensor
This app educates patients about blue light and UV protection lenses through simulations and images. It also allows for measuring blue light and UV radiation from various sources with a special device.
- Blue light blocking lens explanation
- Blue light and UV radiation measurement
- Simulations and images
- Patient education tool
- UV protection lens benefits
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Hoya Sensor will assist you in explaining about Blue Control lens(bluelight blocking lens), Blue light and UV to patients. This application has helpful and informative contents that shows the benefits of Blue Control and UV protection lens with simulation and images. Plus, this app enables you to measure Blue light from any light sources such as tablet(iPad) or Smartphone or Fluorescent light etc. and UV radiation with a special device provided by HOYA to help patients to have better understanding about Blue light and UV radiation. This App is intended for use by Eye Care Professionals. If you are a professional eye care practitioner, please contact your sales representative from HOYA.
Nextsense eSign
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Nextsense eSign enables users to apply handwritten visual signature on PDF documents on documents submitted for signing by licensed 3rd party services providers. Allows user to preview a document submitted for signing and use the mobile handset as document signing pad.
Screenshots
Verdict
Hoya Sensor and Nextsense eSign are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Hoya Sensor ships an update every 28 months, Nextsense eSign every 16 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.
| Parameter | Hoya Sensor | Nextsense eSign |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 28 months | Every 16 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 11.0 |
| Further details — not scored | ||
| Size | 31 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Hoya Holdings NV | Nextsense D.O.O. |
In-app purchases
Hoya Sensor
No in-app purchases
Nextsense eSign
No in-app purchases
