# OCS vs iReadMore

The clearest difference is in-app purchases: OCS at none against iReadMore's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. iReadMore sells 3 one-off in-app purchases. OCS asks for nothing beyond the download.

OCS ships an update every 12 months, iReadMore every 11 months. The most recent releases landed on September 18, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | OCS | iReadMore |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ireadmore/id1556301021/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 11 months** |
| Monetization | — | Free with in-app purchases |
| Size | 138 MB | 995 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [University of Oxford](https://appshunter.io/developer/688778837) | [Alex Leff](https://appshunter.io/developer/1556301023) |

## What reviewers say

### OCS

[App page](https://appshunter.io/ios/app/ocs-plus/id1514766032)

**Features:** Vision Pro support

**In-app purchases:** none


### iReadMore

[App page](https://appshunter.io/ios/app/ireadmore/id1556301021)

This app offers a science-driven reading therapy designed to improve single word reading ability for individuals with acquired reading disorders like alexia or aphasia. It features an adaptive algorithm and integrated feedback to track progress, with a 7-day free trial available.

**Highlights:** Adaptive algorithm adjusts to user abilities, Self-led therapy with unlimited access, Clinically-proven results from research, Integrated feedback and progress tracking, Class I CE marked medical device

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iReadMore Access - 1 Month | $4.99 | one-time |
| iReadMore Access - 3 Months | $14.99 | one-time |
| iReadMore Access - 6 Months | $25.99 | one-time |


## Frequently asked questions

### Is OCS free?

OCS is free to download, with no in-app purchases.

### Is iReadMore free?

iReadMore is free to download, with in-app purchases available.

### Do OCS or iReadMore have ads?

Neither OCS nor iReadMore shows ads.

### Which is updated more often, OCS or iReadMore?

OCS ships an update every 12 months, and iReadMore every 11 months. Most recently, OCS was updated on September 18, 2026 and iReadMore on June 5, 2026.

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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.*