SternbergTests vs Eye Test
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SternbergTests
This app supports various stimuli for working memory testing, including numbers, letters, and words. It offers customizable span selection, randomized order, and detailed timing settings. Results can be exported in spreadsheet or XML formats, and shared as PDFs.
- Multiple stimulus types (numbers, letters, words)
- Adjustable span selection (1-7)
- Randomized span order and display
- Customizable timing settings
- Graph-based results visualization
- Exportable data (spreadsheet, XML)
- Shareable PDF reports
Read full descriptionHide full description
Supports use of different stimuli (numbers, letters, words), selection of spans (1-7), randomised span order and display, and various timing settings. Shows results as a graph, exportable in spreadsheet (with summary, linear regression equation, correlation coefficient) and xml formats. PDF of results also shareable. Written in SwiftUI.
Eye Test
Perform a comprehensive eye checkup at home in minutes. This app offers five distinct vision tests to assess your sight, color perception, and more. It's designed for screen users and those wanting to monitor their vision between professional appointments, with results saved for tracking changes.
- Visual acuity test
- Contrast sensitivity test
- Color vision test
- Astigmatism detection
- Visual field screening
- Guided eye breaks
- Saved checkup history
Read full descriptionHide full description
A full eye checkup at home in about 4 minutes. Five quick vision tests show how each eye is doing - left and right, in plain words. Made for screen-heavy days, tired eyes, and anyone who wants to keep an eye on their vision between doctor visits. YOUR EYE CHECKUP - Visual acuity - how sharply you see - Contrast - how well you see faint shapes - Color vision - how clearly you tell colors apart - Astigmatism - signs of blur in one direction - Visual field - possible gaps in your side vision CLEAR RESULTS - A result for each eye, not one vague score - A simple next step if something looks off - Your checkups saved, so you can re-check and see changes over time REST FOR TIRED EYES - 3-minute guided screen breaks: blinking, focus shifting, palming and more - A gentle daily reminder, if you want one Start with a free visual acuity test. Unlock the full checkup, unlimited re-checks and history with a one-time yearly purchase - no subscription, no ads. Eye Test is a screening tool, not a medical diagnosis. If your results show a change, see an eye care professional.
Screenshots
Verdict
The clearest difference is review sentiment: Eye Test at 100% against SternbergTests's 0%. Eye Test also leads on rating (4.7 vs 1.0) and update cadence (fortnightly vs every 9 months). SternbergTests's advantage is in-app purchases (none vs 6). On price, ads, device support and iOS requirement 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. Eye Test sells 6 in-app purchases, starting at $1.99 per month. SternbergTests asks for nothing beyond the download.
Eye Test holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Eye Test has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of SternbergTests's written reviews are positive against 100% of Eye Test's.
SternbergTests ships an update every 9 months, Eye Test fortnightly. The most recent releases landed on October 18, 2026 and October 30, 2026 respectively.
| Parameter | SternbergTests | Eye Test |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.7 (17 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 17 — better |
| Update frequency | Every 9 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 4 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | CereScape Pty Ltd | Viacheslav Baidikov |
Customer experience
SternbergTests
Eye Test
In-app purchases
SternbergTests
No in-app purchases
Eye Test
- PRO Version - 1 month$1.991 Month
- Premium Version - 1 month(-30)$3.991 Month
- Premium Version - 1 month$5.991 Month
Show 2 moreShow fewer
- PRO Version - 6 months$8.996 Months
- PRO Version - 1 year$12.991 Year
- PRO Version - 1 year$9.99
