# io vs Stasher Messenger

The clearest difference is device support: io at 4 against Stasher Messenger's 2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | io | Stasher Messenger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 9 MB | 46 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Andrei Constantinescu](https://appshunter.io/developer/1525340457) | [Rock Jam Production S.R.L.](https://appshunter.io/developer/1532387771) |

## What reviewers say

### io

[App page](https://appshunter.io/ios/app/io-communication-agent/id1525340455)

**Features:** Vision Pro support

**In-app purchases:** none


### Stasher Messenger

[App page](https://appshunter.io/ios/app/stasher-messenger/id1532387769)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is io free?

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

### Is Stasher Messenger free?

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

### Do io or Stasher Messenger have ads?

Neither io nor Stasher Messenger shows ads.

### Which is updated more often, io or Stasher Messenger?

io ships an update every 2 months, and Stasher Messenger every 2 months. Most recently, io was updated on October 4, 2026 and Stasher Messenger on October 25, 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.*