# XOXO vs Flatbias

The clearest difference is in-app purchases: XOXO at none against Flatbias's 2. Flatbias's advantage is update cadence (daily vs every 3 days) and iOS requirement (16.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Flatbias sells 2 in-app purchases, starting at $2.99 per month. XOXO asks for nothing beyond the download.

XOXO ships an update every 3 days, Flatbias daily. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | XOXO | Flatbias |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 days | **Daily** |
| Size | 11 MB | 10 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sandro Pennisi](https://appshunter.io/developer/290070907) | [Reckona Inc.](https://appshunter.io/developer/1215787077) |

## What reviewers say

### XOXO

[App page](https://appshunter.io/ios/app/xoxo-binary-logic-puzzle/id6759578033)

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

**In-app purchases:** none


### 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 XOXO free?

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

### Is Flatbias free?

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

### Do XOXO or Flatbias have ads?

Both XOXO and Flatbias show ads.

### Which is updated more often, XOXO or Flatbias?

XOXO ships an update every 3 days, and Flatbias daily. Most recently, XOXO was updated on October 12, 2026 and Flatbias on October 6, 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.*