# Calibration Flow vs Color Study

The clearest difference is chart position: Color Study at #177 against Calibration Flow's unranked. Calibration Flow's advantage is update cadence (every 5 days vs every 11 days). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calibration Flow sells 2 in-app purchases, starting at $8.90 per month and Color Study sells 5 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Calibration Flow ships an update every 5 days, Color Study every 11 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calibration Flow | Color Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (541 ratings)](https://appshunter.io/ios/app/color-study-simplify-painting/id6755313672/reviews)** |
| Number of ratings | — | **541** |
| Positive reviews | — | 86.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 11 days |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#177** |
| Size | 16 MB | 175 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [tristan sidem](https://appshunter.io/developer/1819920733) | [BrushLabs LLC](https://appshunter.io/developer/1873618742) |

## What reviewers say

### Calibration Flow

[App page](https://appshunter.io/ios/app/calibration-flow/id6747118030)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Picturale Pass Monthly | $8.90 | per month |
| Picturale Pass Yearly | $89.00 | per year |


### Color Study

[App page](https://appshunter.io/ios/app/color-study-simplify-painting/id6755313672)

**Currently charting:** #177 Top Free · Graphics & Design, #193 Top Grossing · Graphics & Design (US App Store)

This app helps artists simplify images into essential shapes and colors for study. It provides tools for accurate color matching, paint mixing guidance, and detailed analysis of value, saturation, and color codes. Advanced features for deeper analysis and paint mixing are available via subscription.

**Highlights:** Image simplification to shapes and colors, Accurate color picker with pixel averaging, Paint mixing guidance, Value, saturation, and color code inspection, Interactive analysis maps, Customizable grid overlay

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Color Study Pro monthly | $4.99 | per month |
| Color Study Pro yearly | $24.99 | per year |
| Color Study Pro Yearly | $24.99 | per year |
| Color Study tip | $1.99 | one-time |
| Color Study tip | $29.99 | one-time |


## Frequently asked questions

### Is Calibration Flow free?

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

### Is Color Study free?

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

### Do Calibration Flow or Color Study have ads?

Neither Calibration Flow nor Color Study shows ads.

### Which is updated more often, Calibration Flow or Color Study?

Calibration Flow ships an update every 5 days, and Color Study every 11 days. Most recently, Calibration Flow was updated on October 28, 2026 and Color Study 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.*