# NumTrail vs SeaShelf Sort

The clearest difference is in-app purchases: SeaShelf Sort at none against NumTrail's 1. SeaShelf Sort also leads on update cadence (fortnightly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NumTrail sells 1 one-off in-app purchase. SeaShelf Sort asks for nothing beyond the download.

NumTrail ships an update every 6 weeks, SeaShelf Sort fortnightly. Both last shipped on November 5, 2026.

## The numbers

| Metric | NumTrail | SeaShelf Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/numtrail/id6755704177/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 148 MB | 178 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [SUCCESS Corporation](https://appshunter.io/developer/375717327) | [Ha Thi Phuong Linh](https://appshunter.io/developer/1862697917) |

## What reviewers say

### NumTrail

[App page](https://appshunter.io/ios/app/numtrail/id6755704177)

Navigate a number maze by strategically using every digit to reach the goal. This puzzle game offers over 200 free stages with daily additions, and more can be unlocked with an additional purchase. It's designed for quick sessions or deep concentration, suitable for all ages.

**Highlights:** Over 200 free stages, Daily new puzzles, Expandable to over 800 stages, Strategy and logic-based gameplay, Multiple solutions per puzzle, Brain-training challenges

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads + Extra Puzzles | $3.99 | one-time |


### SeaShelf Sort

[App page](https://appshunter.io/ios/app/seashelf-sort/id6756771687)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NumTrail free?

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

### Is SeaShelf Sort free?

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

### Do NumTrail or SeaShelf Sort have ads?

Both NumTrail and SeaShelf Sort show ads.

### Which is updated more often, NumTrail or SeaShelf Sort?

NumTrail ships an update every 6 weeks, and SeaShelf Sort fortnightly. Most recently, NumTrail was updated on November 5, 2026 and SeaShelf Sort on November 5, 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.*