# Sfera chat vs Off

The clearest difference is in-app purchases: Sfera chat at none against Off's 2. Sfera chat also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.2). On price and ads there is nothing between them.

Both are free to download. Off sells 2 in-app purchases, starting at $4.99 per 7 days. Sfera chat asks for nothing beyond the download.

## The numbers

| Metric | Sfera chat | Off |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 171 MB | 15 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Maksim Smirnov](https://appshunter.io/developer/1852737608) | [Adham Qurbonov](https://appshunter.io/developer/1872148218) |

## What reviewers say

### Sfera chat

[App page](https://appshunter.io/ios/app/sfera-chat/id6755233874)

**In-app purchases:** none


### Off

[App page](https://appshunter.io/ios/app/off-grid-secure-messenger/id6758312989)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DataSec Pro Monthly | $4.99 | per 7 days |
| DataSec Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Sfera chat free?

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

### Is Off free?

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

### Do Sfera chat or Off have ads?

Neither Sfera chat nor Off shows ads.

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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.*