Verticality Test vs Reflex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Verticality Test
Assess verticality, horizontality, and depth perception using your iOS device. This app offers a novel methodology for performing these tests anywhere, under any lighting conditions. A tvOS version is available for classical testing on Apple TV.
- Verticality perception tests
- Horizontality perception tests
- Profundity perception tests
- Novel testing methodology
- iOS device mobility
- tvOS version available
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With Verticality test you can perform easily the verticality perception, horizontality perception and profundity perception tests with all the mobility advantages of your iOS device. We developed a new methodology to allow you to perform the tests at any location with any illumination. For a classical performance of the tests you can use the tvOS version on an AppleTV 4thGen. Verticality and horizontality perception tests are well known medical tests to measure the otolithic function. WARNING: Verticality Test is not a medical device
Reflex
This tool measures and tracks pupillary activity using an iPhone camera for quick, 5-second tests. It helps medical professionals monitor patient progress and identify deviations for clinical decision support.
- Pupillary readings via iPhone camera
- 5-second test duration
- Patient progress tracking
- Baseline feature for deviations
- Clinical decision support tool
- Rapid biomarker validation
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Measure and track autonomic pupillary activity by simply holding the iPhone up to your patient's eye for a quick 5-second test. Track patient progress using the baseline feature and frequently follow-up to determine deviations with Reflex, an accessible pupillary tool for clinical decision support. Here's what you can expect from Reflex: -Fast and reliable pupillary readings at the touch of a screen. -Track important changes and fluctuations from pupil readings over time. -Validate your clinical efforts with the state-of-the-art in rapid biomarkers. Reflex is only for medical professional use. Seek a physician's advice if you're experiencing ocular or neurological issues. Pricing & Terms: Reflex offers the following subscription option for unlimited use per period: * 1 month: $39.99 (USD) * 1 year: $399.99 (USD) This price applies to United States residents. Prices may vary in other countries respecting your local currency exchange rate. Your subscription will be charged to your iTunes account. At the end of the term, unless auto-renewables subscriptions are disabled, your subscription will automatically renew in your iTunes account. You will be charged for the regular price of your subscription within 24 hours prior to the end of the current term. You can turn off automatic renewal in your iTunes account settings at any time, but you must do so at least 24 hours before the end of the current term. Refunds will not be provided for the unused portion of any term. Reflex is a registered Class I 510(K) Exempt medical device. Privacy policy: https://reflexapp.io/privacy-policy/ Terms and conditions: https://reflexapp.io/terms-conditions
Screenshots
Verdict
The clearest difference is rating: Verticality Test at 4.0 against Reflex's 3.5. Verticality Test also leads on in-app purchases (none vs 5) and device support (4 vs 1). Reflex's advantage is update cadence (every 2 weeks vs every 4 months) and ratings volume (23 vs 2). On price, review sentiment and ads 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
Both are free to download. Reflex sells 5 in-app purchases, starting at $1.99 per month. Verticality Test asks for nothing beyond the download.
Verticality Test holds the better App Store score, 4.0 against 3.5. That said, the two scores are not equally well evidenced: Reflex has 23 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.
Verticality Test ships an update every 4 months, Reflex every 2 weeks. The most recent releases landed on September 14, 2026 and September 29, 2026 respectively.
| Parameter | Verticality Test | Reflex |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | 3.5 (23 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 2 | 23 — better |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Best chart rank | — | #188 — better |
| Devices | iPhone, iPad, iPod, Apple TV — better | iPhone |
| Requires iOS | 11.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 62 MB | 22 MB |
| Age rating | 17+ | +17 |
| Developer | Jorge Alberto Rey Martinez | Brightlamp, Inc. |
Customer experience
Verticality Test
Reflex
In-app purchases
Verticality Test
No in-app purchases
Reflex
- Critical Care Monthly$1.991 Month
- Monthly Subscription1 Month trial$41.991 Month
- Monthly Subscription$41.991 Month
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- Yearly Subscription1 Month trial$419.991 Year
- Yearly Subscription$419.991 Year









