# SAAC EXPO vs Chatbu

The clearest difference is update cadence: Chatbu at weekly against SAAC EXPO's every 12 months. SAAC EXPO's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

SAAC EXPO ships an update every 12 months, Chatbu weekly. The most recent releases landed on September 14, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | SAAC EXPO | Chatbu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Size | 50 MB | 47 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Teknowledge Software](https://appshunter.io/developer/348684387) | [Datalonga](https://appshunter.io/developer/6793102415) |

## What reviewers say

### SAAC EXPO

[App page](https://appshunter.io/ios/app/saac-expo/id6749433780)

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

**In-app purchases:** none


### Chatbu

[App page](https://appshunter.io/ios/app/chatbu/id6793102413)

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

**In-app purchases:** none


## Frequently asked questions

### Is SAAC EXPO free?

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

### Is Chatbu free?

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

### Do SAAC EXPO or Chatbu have ads?

Neither SAAC EXPO nor Chatbu shows ads.

### Which is updated more often, SAAC EXPO or Chatbu?

SAAC EXPO ships an update every 12 months, and Chatbu weekly. Most recently, SAAC EXPO was updated on September 14, 2026 and Chatbu on September 22, 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.*