# Stack Sort vs Color by Digit

The clearest difference is in-app purchases: Stack Sort at none against Color by Digit's 1. Stack Sort also leads on update cadence (fortnightly vs every 2 months). Color by Digit's advantage is ratings volume (156 vs 5). On price, rating, ads and device support there is nothing between them.

Both are free to download. Color by Digit sells 1 one-off in-app purchase. Stack Sort asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Stack Sort against 4.9 for Color by Digit. That said, the two scores are not equally well evidenced: Color by Digit has 156 ratings behind it against 5, so its average is the more settled of the two.

Stack Sort ships an update fortnightly, Color by Digit every 2 months. The most recent releases landed on November 9, 2026 and November 14, 2026 respectively.

## The numbers

| Metric | Stack Sort | Color by Digit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5 ratings)](https://appshunter.io/ios/app/stack-sort-color-cube-puzzle/id6755076474/reviews) | **[4.9 (156 ratings)](https://appshunter.io/ios/app/color-by-digit/id6757749185/reviews)** |
| Number of ratings | 5 | **156** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 225 MB | 158 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BAF, Ltd.](https://appshunter.io/developer/1501471707) | [Muhammad Danish](https://appshunter.io/developer/1792403512) |

## What reviewers say

### Stack Sort

[App page](https://appshunter.io/ios/app/stack-sort-color-cube-puzzle/id6755076474)

Rearrange blocks to build towers of identical colors in this satisfying brain-training puzzle game. Enjoy simple controls, unlimited stacking, and a relaxing experience with no time limits. Perfect for those who love organizing and a good mental challenge.

**Highlights:** Rearrange blocks to build color towers, Stack identical blocks, Satisfying gameplay and clean visuals, Easy to learn, hard to master, Unlimited stacking freedom, Customizable block skins, No time limits, offline play supported

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

**In-app purchases:** none


### Color by Digit

[App page](https://appshunter.io/ios/app/color-by-digit/id6757749185)

Engage in a calming art game where you fill in images using numbered sections as guides. Complete detailed artwork step-by-step with a smooth and intuitive coloring experience. Enjoy a stress-free way to explore digital coloring without any time constraints.

**Highlights:** Numbered coloring sections, Step-by-step artwork completion, Relaxing gameplay, No time limits, Intuitive interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| In-App | $5.99 | one-time |


## Frequently asked questions

### Is Stack Sort free?

Stack Sort is free to download, with no in-app purchases.

### Is Color by Digit free?

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

### Which has better reviews, Stack Sort or Color by Digit?

Color by Digit is rated higher. Stack Sort averages 4.8 out of 5 from 5 ratings, while Color by Digit averages 4.9 from 156 ratings.

### Do Stack Sort or Color by Digit have ads?

Both Stack Sort and Color by Digit show ads.

### Which is updated more often, Stack Sort or Color by Digit?

Stack Sort ships an update fortnightly, and Color by Digit every 2 months. Most recently, Stack Sort was updated on November 9, 2026 and Color by Digit on November 14, 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.*