# Tetherfi Omni vs chainSign

The clearest difference is in-app purchases: Tetherfi Omni at none against chainSign's 4. Tetherfi Omni also leads on iOS requirement (11.0 vs 16.6). chainSign's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. chainSign sells 4 in-app purchases, starting at $349.99 per month. Tetherfi Omni asks for nothing beyond the download.

Tetherfi Omni ships an update every 3 weeks, chainSign every 4 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Tetherfi Omni | chainSign |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 29 MB | 76 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tetherfi Pte. Ltd.](https://appshunter.io/developer/1439161965) | [Demetrius Barrett](https://appshunter.io/developer/1505438305) |

## What reviewers say

### Tetherfi Omni

[App page](https://appshunter.io/ios/app/tetherfi-omni/id1506880180)

Connect with your team and manage communications through a unified platform. This mobile application provides seamless access to your tetherfi.cloud services.

**Highlights:** Connect to tetherfi.cloud, Unified communication platform, Team connectivity, Mobile access

**Features:** macOS Compatibility

**In-app purchases:** none


### chainSign

[App page](https://appshunter.io/ios/app/chainsign/id6761083360)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solo | $349.99 | per month |
| Practice | $699.99 | per month |
| Basic Recording | $0.99 | one-time |
| Certified Hash Record | $79.99 | one-time |


## Frequently asked questions

### Is Tetherfi Omni free?

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

### Is chainSign free?

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

### Do Tetherfi Omni or chainSign have ads?

Neither Tetherfi Omni nor chainSign shows ads.

### Which is updated more often, Tetherfi Omni or chainSign?

Tetherfi Omni ships an update every 3 weeks, and chainSign every 4 days. Most recently, Tetherfi Omni was updated on November 3, 2026 and chainSign on November 5, 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.*