# Sand Loop vs NumPrime

The clearest difference is in-app purchases: NumPrime at none against Sand Loop's 18. NumPrime also leads on ads (none vs shown). Sand Loop's advantage is update cadence (fortnightly vs every 6 weeks) and chart position (#99 vs unranked). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sand Loop sells 16 one-off in-app purchases. NumPrime asks for nothing beyond the download.

Sand Loop ships an update fortnightly, NumPrime every 6 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sand Loop | NumPrime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (22K ratings)](https://appshunter.io/ios/app/sand-loop-color-sort-puzzle/id6754363534/reviews)** | — |
| Number of ratings | **22K** | — |
| Positive reviews | 17.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#99** | — |
| Size | 393 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [Samed KIZILHAN](https://appshunter.io/developer/6793987888) |

## What reviewers say

### Sand Loop

[App page](https://appshunter.io/ios/app/sand-loop-color-sort-puzzle/id6754363534)

**Currently charting:** #99 Top Grossing · Puzzle, #115 Top Grossing · Casual (US App Store)

Engage in a relaxing puzzle game where you guide buckets to collect colored sand. Watch as the sand flows with realistic physics to reveal beautiful artwork. Enjoy a calming escape with intuitive controls and hundreds of handcrafted levels.

**Highlights:** Sand collection puzzle gameplay, Realistic sand physics, Hundreds of handcrafted levels, Intuitive tap controls, Visually satisfying sand flow, Hidden artwork reveals

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Pack 1 | $1.99 | one-time |
| Happy Hour | $3.99 | one-time |
| Special Offer | $4.99 | one-time |
| Sand Loop Offer | $5.99 | one-time |
| Coin Pack 2 | $7.99 | one-time |
| No Ads | $7.99 | one-time |
| Sand Loop Offer | $9.99 | one-time |
| Sandy Essentials | $9.99 | one-time |
| Sandy Pass | $9.99 | one-time |
| No Ads Bundle | $12.99 | one-time |
| Sand Loop Offer | $14.99 | one-time |
| Coin Pack 3 | $14.99 | one-time |
| Sandy Gift | $19.99 | one-time |
| Sandy Treasures | $29.99 | one-time |
| Coin Pack 5 | $54.99 | one-time |
| Coin Pack 6 | $99.99 | one-time |


### NumPrime

[App page](https://appshunter.io/ios/app/numprime/id6793987886)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sand Loop free?

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

### Is NumPrime free?

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

### Do Sand Loop or NumPrime have ads?

Sand Loop shows ads; NumPrime does not.

### Which is updated more often, Sand Loop or NumPrime?

Sand Loop ships an update fortnightly, and NumPrime every 6 weeks. Most recently, Sand Loop was updated on October 30, 2026 and NumPrime 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.*