# Rx Corner vs KDM Reader

The clearest difference is in-app purchases: KDM Reader at none against Rx Corner's 1. KDM Reader also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). Rx Corner's advantage is ratings volume (5 vs 1). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. Rx Corner sells 1 one-off in-app purchase. KDM Reader asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Rx Corner against 5.0 for KDM Reader. That said, the two scores are not equally well evidenced: Rx Corner has 5 ratings behind it against 1, so its average is the more settled of the two.

Rx Corner ships an update every 5 months, KDM Reader every 3 weeks. The most recent releases landed on September 15, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Rx Corner | KDM Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/rx-corner-calendar/id1565747160/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/kdm-reader/id6476420239/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Collishaw Technologies LLC](https://appshunter.io/developer/1512839595) | [Center Point Post](https://appshunter.io/developer/1726641663) |

## What reviewers say

### Rx Corner

[App page](https://appshunter.io/ios/app/rx-corner-calendar/id1565747160)

Easily calculate prescription refill dates with this interactive calendar. Set your last pickup date and day supply to determine your next refill. Offers customizable display options and Apple Watch integration for quick access.

**Highlights:** Interactive refill date calculation, Customizable display options, Apple Watch quick reference, Light and dark mode support, User-friendly interface

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Banner Ad Removal | $1.99 | one-time |


### KDM Reader

[App page](https://appshunter.io/ios/app/kdm-reader/id6476420239)

Easily verify KDM validity times, content version, and target DCP player. View information in your local timezone or UTC.

**Highlights:** Verify KDM validity times, Check content version, Identify target DCP player, View in local timezone, View in UTC

**In-app purchases:** none


## Frequently asked questions

### Is Rx Corner free?

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

### Is KDM Reader free?

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

### Which has better reviews, Rx Corner or KDM Reader?

Rx Corner and KDM Reader are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do Rx Corner or KDM Reader have ads?

Rx Corner shows ads; KDM Reader does not.

### Which is updated more often, Rx Corner or KDM Reader?

Rx Corner ships an update every 5 months, and KDM Reader every 3 weeks. Most recently, Rx Corner was updated on September 15, 2026 and KDM Reader 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.*