# Dewey Color System vs Dewey

The clearest difference is update cadence: Dewey at every 8 days against Dewey Color System's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Dewey Color System sells 4 one-off in-app purchases and Dewey sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Dewey Color System ships an update monthly, Dewey every 8 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Dewey Color System | Dewey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dewey-color-system/id1629086274/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 85 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dewey Color System](https://appshunter.io/developer/1629086276) | [Dendric LLC](https://appshunter.io/developer/1861051247) |

## What reviewers say

### Dewey Color System

[App page](https://appshunter.io/ios/app/dewey-color-system/id1629086274)

This productivity app provides daily coaching advice based on your profile and a moon calendar. It aims to boost mood, enhance critical thinking, and inspire self-discovery. Includes 24 coaching sessions to help you solve problems and take on new challenges.

**Highlights:** Profile-connected calendar, Daily coaching advice, Natural Talents insights, Life Lessons guidance, Boosts mood and critical thinking, 24 coaching sessions included

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Relationship Profile | $9.00 | one-time |
| Support Plus Coaching Calendar | $20.99 | one-time |
| Program Plus Coaching Calendar | $24.99 | one-time |
| Colorology Profile Upgrade | $29.00 | one-time |


### Dewey

[App page](https://appshunter.io/ios/app/dewey-disorganized-notes/id6761198481)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dewey Patron | $4.99 | per month |


## Frequently asked questions

### Is Dewey Color System free?

Dewey Color System is free to download, with in-app purchases available.

### Is Dewey free?

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

### Do Dewey Color System or Dewey have ads?

Neither Dewey Color System nor Dewey shows ads.

### Which is updated more often, Dewey Color System or Dewey?

Dewey Color System ships an update monthly, and Dewey every 8 days. Most recently, Dewey Color System was updated on November 3, 2026 and Dewey on October 31, 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.*