# CloudAhoy vs Dewey Color System

The clearest difference is rating: Dewey Color System at 5.0 against CloudAhoy's 3.4. CloudAhoy's advantage is ratings volume (35 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CloudAhoy sells 2 one-off in-app purchases and Dewey Color System sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Dewey Color System holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: CloudAhoy has 35 ratings behind it against 1, so its average is the more settled of the two.

CloudAhoy ships an update every 5 weeks, Dewey Color System monthly. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | CloudAhoy | Dewey Color System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (35 ratings)](https://appshunter.io/ios/app/cloudahoy/id433341396/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dewey-color-system/id1629086274/reviews)** |
| Number of ratings | **35** | 1 |
| Positive reviews | 80.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 17 MB | 51 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CloudAhoy, Inc.](https://appshunter.io/developer/433341399) | [Dewey Color System](https://appshunter.io/developer/1629086276) |

## What reviewers say

### CloudAhoy

[App page](https://appshunter.io/ios/app/cloudahoy/id433341396)

This app provides pilots with detailed post-flight analysis and performance evaluations. It automatically segments flights, scores maneuvers, and offers various visual tools to identify areas for improvement. Get a comprehensive understanding of your flying proficiency shortly after landing.

**Highlights:** Automated flight segmentation, Objective maneuver scoring, 2D/3D flight visualization, Chart and map overlays, HUD cockpit view, Flight data import, Instrument approach comparison

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CloudAhoy Standard | $64.99 | one-time |
| CloudAhoy Pro | $149.99 | one-time |

**What reviewers like**

- 👍 Great for flight debriefing
- 👍 Useful for training
- 👍 Objective evaluation of flights
- 👍 Can import data from glass cockpit/EFB
- 👍 Fun to share with passengers

**What reviewers complain about**

- 😞 Terrible grading by CFI assistant
- 😞 Scoring doesn't align with ACS/reality
- 😞 App glitching and failing to load
- 😞 iPad mini no longer plays back 3D
- 😞 Unresponsive and incomprehensible

**Reported bugs**

- App glitching and failing to load
- iPad mini no longer plays back 3D
- Sharing feature not working as expected
- Display with layovers is jumbled
- App crashed

**Requested features**

- Fix grading for CFI assistant
- Ensure scoring aligns with ACS standards
- Fix app glitches and loading failures
- Restore 3D playback on iPad mini
- Clarify subscription costs


### 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 |


## Frequently asked questions

### Is CloudAhoy free?

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

### Is Dewey Color System free?

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

### Which has better reviews, CloudAhoy or Dewey Color System?

Dewey Color System is rated higher. CloudAhoy averages 3.4 out of 5 from 35 ratings, while Dewey Color System averages 5.0 from 1 ratings.

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

Neither CloudAhoy nor Dewey Color System shows ads.

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

CloudAhoy ships an update every 5 weeks, and Dewey Color System monthly. Most recently, CloudAhoy was updated on October 23, 2026 and Dewey Color System on October 20, 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.*