# blockfity vs One Line

The clearest difference is update cadence: blockfity at every 4 days against One Line's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. blockfity sells 1 one-off in-app purchase and One Line sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

blockfity ships an update every 4 days, One Line every 2 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | blockfity | One Line |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 442 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Beata Koziol-Cholewinski](https://appshunter.io/developer/976110745) | [torankirite](https://appshunter.io/developer/1883564850) |

## What reviewers say

### blockfity

[App page](https://appshunter.io/ios/app/blockfity/id6757976517)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### One Line

[App page](https://appshunter.io/ios/app/one-line-number-path-puzzle/id6787843651)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is blockfity free?

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

### Is One Line free?

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

### Do blockfity or One Line have ads?

Neither blockfity nor One Line shows ads.

### Which is updated more often, blockfity or One Line?

blockfity ships an update every 4 days, and One Line every 2 months. Most recently, blockfity was updated on October 25, 2026 and One Line 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.*