# Occluder vs Ophthalmic iCert Prep

The clearest difference is price: Ophthalmic iCert Prep at Free against Occluder's $0.99. Occluder's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Ophthalmic iCert Prep is free to download; Occluder costs $0.99 up front. Ophthalmic iCert Prep sells 3 in-app purchases, starting at $34.99 per 3 months. Occluder asks for nothing beyond the download.

## The numbers

| Metric | Occluder | Ophthalmic iCert Prep |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 51 months | — |
| Size | 2 MB | 113 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Ivan Cabezon Orjales](https://appshunter.io/developer/347664743) | [iCert Inc.](https://appshunter.io/developer/1650970619) |

## What reviewers say

### Occluder

[App page](https://appshunter.io/ios/app/occluder/id1116490982)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ophthalmic iCert Prep

[App page](https://appshunter.io/ios/app/ophthalmic-icert-prep/id6572291950)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Month Resource & Exam Access | $34.99 | per 3 months |
| 6-Month Resource & Exam Access | $49.99 | per 6 months |
| Annual Resource & Exam Access | $79.99 | per year |


## Frequently asked questions

### Is Occluder free?

Occluder costs $0.99, with no in-app purchases.

### Is Ophthalmic iCert Prep free?

Ophthalmic iCert Prep is free to download, with in-app purchases available.

### Do Occluder or Ophthalmic iCert Prep have ads?

Neither Occluder nor Ophthalmic iCert Prep 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.*