# Project Indigo vs Chatchuu

The clearest difference is in-app purchases: Project Indigo at none against Chatchuu's 2. Chatchuu's advantage is update cadence (every 3 days vs every 3 weeks) and iOS requirement (16.4 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. Chatchuu sells 2 in-app purchases, starting at $4.99 per month. Project Indigo asks for nothing beyond the download.

Project Indigo ships an update every 3 weeks, Chatchuu every 3 days. The most recent releases landed on November 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Project Indigo | Chatchuu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (728 ratings)](https://appshunter.io/ios/app/project-indigo/id6742591546/reviews)** | — |
| Number of ratings | **728** | — |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 347 MB | 47 MB |
| Requires iOS | 18.5 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Adobe Labs, Inc.](https://appshunter.io/developer/805812963) | [延峰 李](https://appshunter.io/developer/1874547836) |

## What reviewers say

### Project Indigo

[App page](https://appshunter.io/ios/app/project-indigo/id6742591546)

This camera app uses computational photography and AI to capture high-quality images with natural-looking results. It offers manual controls for professionals and advanced features like super-resolution zoom and macro mode for all users.

**Highlights:** Computational photography pipeline, Natural image look with AI, Full manual camera controls, Super-resolution zoom, Macro mode, Live viewfinder with histogram and zebra stripes, Lightroom integration

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent image quality
- 🚀 Powerful processing algorithms
- 🔍 Impressive zoom and detail enhancement

**What reviewers complain about**

- 🔥 Overheating issues
- 🔋 Battery drain
- 🐛 Focusing problems
- 🚫 Incompatible with some regions/devices

**Reported bugs**

- Shutter sound cannot be disabled
- AI-based features causing loss of detail

**Requested features**

- Support for higher resolution photos
- Improved tap-to-focus functionality
- Better optimization for battery and thermal performance


### Chatchuu

[App page](https://appshunter.io/ios/app/chatchuu/id6775716440)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is Project Indigo free?

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

### Is Chatchuu free?

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

### Do Project Indigo or Chatchuu have ads?

Neither Project Indigo nor Chatchuu shows ads.

### Which is updated more often, Project Indigo or Chatchuu?

Project Indigo ships an update every 3 weeks, and Chatchuu every 3 days. Most recently, Project Indigo was updated on November 9, 2026 and Chatchuu on October 25, 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.*