# Button Flow vs Crystal Gem Sort

The clearest difference is update cadence: Button Flow at every 4 days against Crystal Gem Sort's every 9 days. Button Flow also leads on ratings volume (261 vs 33). Crystal Gem Sort's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Button Flow sells 1 one-off in-app purchase and Crystal Gem Sort sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Button Flow against 4.9 for Crystal Gem Sort. That said, the two scores are not equally well evidenced: Button Flow has 261 ratings behind it against 33, so its average is the more settled of the two.

Button Flow ships an update every 4 days, Crystal Gem Sort every 9 days. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Button Flow | Crystal Gem Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (261 ratings)](https://appshunter.io/ios/app/button-flow/id6766174328/reviews) | **[4.9 (33 ratings)](https://appshunter.io/ios/app/crystal-gem-sort/id6771712515/reviews)** |
| Number of ratings | **261** | 33 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 152 MB | 267 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Onetap Global Limited](https://appshunter.io/developer/1706028654) | [IEC Holding L.L.C-FZ](https://appshunter.io/developer/1763596914) |

## What reviewers say

### Button Flow

[App page](https://appshunter.io/ios/app/button-flow/id6766174328)

A relaxing puzzle game where you match colorful buttons to their correct spots, uncovering stunning artwork. Enjoy smooth gameplay, satisfying animations, and a calm experience with endless levels to explore.

**Highlights:** Color matching puzzle gameplay, Uncover hidden button artwork, Smooth and satisfying animations, Group button movement, Temporary button storage, Endless levels

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


### Crystal Gem Sort

[App page](https://appshunter.io/ios/app/crystal-gem-sort/id6771712515)

Engage in a relaxing puzzle experience by sorting colorful gems into their correct slots. This game offers a satisfying and meditative way to create beautiful art pieces, inspired by digital diamond painting and pixel art.

**Highlights:** Sort gems by color, Create stunning art pieces, Relaxing and chill gameplay, Hundreds of art collections, Satisfying gem flow mechanics, ASMR gem coloring sounds

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $1.99 Pack | $1.99 | one-time |
| $4.99 Pack | $4.99 | one-time |
| $7.99 Pack | $7.99 | one-time |
| $9.99 Pack | $9.99 | one-time |
| $14.99 Pack | $14.99 | one-time |
| $39.99 Pack | $39.99 | one-time |
| $49.99 Pack | $49.99 | one-time |
| $59.99 Pack | $59.99 | one-time |
| $99.99 Pack | $99.99 | one-time |


## Frequently asked questions

### Is Button Flow free?

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

### Is Crystal Gem Sort free?

Crystal Gem Sort is free to download, with in-app purchases available.

### Which has better reviews, Button Flow or Crystal Gem Sort?

Crystal Gem Sort is rated higher. Button Flow averages 4.8 out of 5 from 261 ratings, while Crystal Gem Sort averages 4.9 from 33 ratings.

### Do Button Flow or Crystal Gem Sort have ads?

Both Button Flow and Crystal Gem Sort show ads.

### Which is updated more often, Button Flow or Crystal Gem Sort?

Button Flow ships an update every 4 days, and Crystal Gem Sort every 9 days. Most recently, Button Flow was updated on September 22, 2026 and Crystal Gem Sort on September 24, 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.*