# Mole Digging vs One Line Fill

The clearest difference is in-app purchases: One Line Fill at none against Mole Digging's 1. One Line Fill also leads on update cadence (every 3 weeks vs every 2 months). Mole Digging's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Mole Digging sells 1 one-off in-app purchase. One Line Fill asks for nothing beyond the download.

Mole Digging ships an update every 2 months, One Line Fill every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Mole Digging | One Line Fill |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 24 MB | 108 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [akira ohmachi](https://appshunter.io/developer/1338624340) | [Gentak Works](https://appshunter.io/developer/1895820347) |

## What reviewers say

### Mole Digging

[App page](https://appshunter.io/ios/app/mole-digging/id1631132277)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### One Line Fill

[App page](https://appshunter.io/ios/app/one-line-fill-brain-puzzle/id6777649160)

**In-app purchases:** none


## Frequently asked questions

### Is Mole Digging free?

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

### Is One Line Fill free?

One Line Fill is free to download, with no in-app purchases.

### Do Mole Digging or One Line Fill have ads?

One Line Fill shows ads; Mole Digging does not.

### Which is updated more often, Mole Digging or One Line Fill?

Mole Digging ships an update every 2 months, and One Line Fill every 3 weeks. Most recently, Mole Digging was updated on November 3, 2026 and One Line Fill on November 7, 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.*