# BYECO2 vs Haizz AI

The clearest difference is update cadence: Haizz AI at fortnightly against BYECO2's every 2 months. BYECO2's advantage is iOS requirement (12.0 vs 14.3). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BYECO2 ships an update every 2 months, Haizz AI fortnightly. The most recent releases landed on October 16, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | BYECO2 | Haizz AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 31 MB | 126 MB |
| Requires iOS | **12.0** | 14.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Thang Tran Quoc](https://appshunter.io/developer/1503529778) | [Mogivi Joint Stock Company](https://appshunter.io/developer/1614666846) |

## What reviewers say

### BYECO2

[App page](https://appshunter.io/ios/app/byeco2/id1635925540)

**Features:** macOS Compatibility

**In-app purchases:** none


### Haizz AI

[App page](https://appshunter.io/ios/app/haizz-ai/id6464409333)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BYECO2 free?

BYECO2 is free to download, with no in-app purchases.

### Is Haizz AI free?

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

### Do BYECO2 or Haizz AI have ads?

Neither BYECO2 nor Haizz AI shows ads.

### Which is updated more often, BYECO2 or Haizz AI?

BYECO2 ships an update every 2 months, and Haizz AI fortnightly. Most recently, BYECO2 was updated on October 16, 2026 and Haizz AI on October 27, 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.*