# UCDM vs Perceptium

The clearest difference is price: Perceptium at Free against UCDM's $2.99. Perceptium also leads on in-app purchases (none vs 7) and update cadence (every 5 days vs monthly). UCDM's advantage is ads (none vs shown) and iOS requirement (7.0 vs 14.0.0). On device support there is nothing between them.

Perceptium is free to download; UCDM costs $2.99 up front. UCDM sells 7 one-off in-app purchases. Perceptium asks for nothing beyond the download.

UCDM ships an update monthly, Perceptium every 5 days. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | UCDM | Perceptium |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/ucdm-ejercicios/id1165778141/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 19.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 679 MB | 33 MB |
| Requires iOS | **7.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sergio Morillas](https://appshunter.io/developer/1030882187) | [ASH SERVICOS LTDA](https://appshunter.io/developer/1654793255) |

## What reviewers say

### UCDM

[App page](https://appshunter.io/ios/app/ucdm-ejercicios/id1165778141)

This app provides daily exercises to work through the concepts of "A Course in Miracles" over a year. Users can follow a structured plan or choose random exercises to focus on specific themes.

**Highlights:** Year-long structured exercises, Random exercise selection, Focus on specific themes, Easy and comfortable practice, Work with "A Course in Miracles" concepts

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio cápitulos 2 al 6 | $4.99 | one-time |
| Audio cápitulos 7 al 11 | $4.99 | one-time |
| Audio cápitulos 12 al 16 | $4.99 | one-time |
| Audio cápitulos 17 al 21 | $4.99 | one-time |
| Audio cápitulos 22 al 26 | $4.99 | one-time |
| Audio cápitulos 27 al 31 | $4.99 | one-time |
| Cápitulos 1 al 31   -50% DTO | $13.99 | one-time |


### Perceptium

[App page](https://appshunter.io/ios/app/perceptium/id6733241661)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UCDM free?

UCDM costs $2.99, and also offers in-app purchases.

### Is Perceptium free?

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

### Do UCDM or Perceptium have ads?

Perceptium shows ads; UCDM does not.

### Which is updated more often, UCDM or Perceptium?

UCDM ships an update monthly, and Perceptium every 5 days. Most recently, UCDM was updated on October 24, 2026 and Perceptium on October 15, 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.*