# ACIM Workbook vs I Know

The clearest difference is iOS requirement: ACIM Workbook at 13.0 against I Know's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ACIM Workbook sells 2 in-app purchases, starting at $4.99 per month and I Know sells 5 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ACIM Workbook | I Know |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (6 ratings)](https://appshunter.io/ios/app/acim-workbook/id6443900608/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free with in-app purchases | — |
| Size | 461 MB | 32 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Amund Ring](https://appshunter.io/developer/1650381898) | [Proksi Yazılım](https://appshunter.io/developer/1739308877) |

## What reviewers say

### ACIM Workbook

[App page](https://appshunter.io/ios/app/acim-workbook/id6443900608)

This app provides all 365 lessons of "A Course in Miracles" Workbook, enhanced with high-quality audio narration and customizable fonts. It offers reminders and a favorites list to support your spiritual practice.

**Highlights:** 365 Workbook lessons, High-quality audio narration, Customizable font choices, Daily lesson reminders, Favorites list for lessons, Intuitive user interface

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access (1 Month) | $4.99 | per month |
| All Access (1 Year) | $29.99 | per year |


### I Know

[App page](https://appshunter.io/ios/app/i-know-book-summary/id6741852658)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Recurring! | $9.99 | per month |
| 3 Monthly Recurring! | $19.99 | per 3 months |
| Final Subscription | $39.99 | per year |
| Yearly Recurring! | $69.99 | per year |
| Trial Yearly Recurring! | $69.99 | per year |


## Frequently asked questions

### Is ACIM Workbook free?

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

### Is I Know free?

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

### Do ACIM Workbook or I Know have ads?

Neither ACIM Workbook nor I Know shows ads.

### Which is updated more often, ACIM Workbook or I Know?

ACIM Workbook ships an update every 4 days, and I Know every 4 days. Most recently, ACIM Workbook was updated on November 3, 2026 and I Know on October 28, 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.*