# Infinity Slitherlink vs Flatbias

The clearest difference is update cadence: Flatbias at daily against Infinity Slitherlink's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Infinity Slitherlink sells 1 one-off in-app purchase and Flatbias sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Infinity Slitherlink ships an update every 2 weeks, Flatbias daily. The most recent releases landed on September 3, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Infinity Slitherlink | Flatbias |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 49 MB | 10 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [masato nishikawa](https://appshunter.io/developer/6776209987) | [Reckona Inc.](https://appshunter.io/developer/1215787077) |

## What reviewers say

### Infinity Slitherlink

[App page](https://appshunter.io/ios/app/infinity-slitherlink/id6796525132)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $6.99 | one-time |


### Flatbias

[App page](https://appshunter.io/ios/app/flatbias/id6797381499)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flatbias Pass (Monthly) | $2.99 | per month |
| Flatbias Pass (Yearly) | $22.99 | per year |


## Frequently asked questions

### Is Infinity Slitherlink free?

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

### Is Flatbias free?

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

### Do Infinity Slitherlink or Flatbias have ads?

Both Infinity Slitherlink and Flatbias show ads.

### Which is updated more often, Infinity Slitherlink or Flatbias?

Infinity Slitherlink ships an update every 2 weeks, and Flatbias daily. Most recently, Infinity Slitherlink was updated on September 3, 2026 and Flatbias on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*