# iVision Refractive Demo vs OAT Optometry Test Prep 2026

The clearest difference is in-app purchases: iVision Refractive Demo at none against OAT Optometry Test Prep 2026's 9. iVision Refractive Demo also leads on iOS requirement (13.4 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. OAT Optometry Test Prep 2026 sells 9 in-app purchases, starting at $8.99 per 7 days. iVision Refractive Demo asks for nothing beyond the download.

## The numbers

| Metric | iVision Refractive Demo | OAT Optometry Test Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oat-optometry-test-prep-2026/id6748830183/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 73 MB | 52 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Switt Kongdachalert](https://appshunter.io/developer/741342887) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## What reviewers say

### iVision Refractive Demo

[App page](https://appshunter.io/ios/app/ivision-refractive-demo/id6502088658)

**Features:** macOS Compatibility

**In-app purchases:** none


### OAT Optometry Test Prep 2026

[App page](https://appshunter.io/ios/app/oat-optometry-test-prep-2026/id6748830183)

Prepare for the Optometry Admission Test with a comprehensive study tool. Access an extensive question bank, detailed explanations, and progress tracking to identify strengths and weaknesses. Features include customizable study plans and simulated exam modes to build confidence for your optometry school journey.

**Highlights:** Up-to-date content, Extensive question bank, Detailed explanations, Progress tracking, Customizable study plans, Simulated exam mode

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OAT Test Weekly Full Access | $8.99 | per 7 days |
| OAT Monthly Full Access | $24.99 | per month |
| OAT Monthly Full Access | $24.99 | per month |
| OAT Quarterly Full Access | $55.99 | per 3 months |
| OAT Quarterly Full Access | $59.99 | per 3 months |
| OAT Semiannual Full Access | $75.99 | per 6 months |
| OAT Semiannual Full Access | $79.99 | per 6 months |
| OAT Annual Full Access | $109.99 | per year |
| OAT Annual Full Access | $119.99 | per year |


## Frequently asked questions

### Is iVision Refractive Demo free?

iVision Refractive Demo is free to download, with no in-app purchases.

### Is OAT Optometry Test Prep 2026 free?

OAT Optometry Test Prep 2026 is free to download, with in-app purchases available.

### Do iVision Refractive Demo or OAT Optometry Test Prep 2026 have ads?

Neither iVision Refractive Demo nor OAT Optometry Test Prep 2026 shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*