# Sig2 vs Comity bd

The clearest difference is update cadence: Comity bd at daily against Sig2's every 3 weeks. 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.

Sig2 ships an update every 3 weeks, Comity bd daily. The most recent releases landed on September 14, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Sig2 | Comity bd |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 32 MB | 24 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sig2 Labs, Inc.](https://appshunter.io/developer/1703336919) | [Easin Arafat](https://appshunter.io/developer/1690629309) |

## What reviewers say

### Sig2

[App page](https://appshunter.io/ios/app/sig2/id6462756885)

**Features:** Vision Pro support

**In-app purchases:** none


### Comity bd

[App page](https://appshunter.io/ios/app/comity-bd/id6470153860)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sig2 free?

Sig2 is free to download, with no in-app purchases.

### Is Comity bd free?

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

### Do Sig2 or Comity bd have ads?

Neither Sig2 nor Comity bd shows ads.

### Which is updated more often, Sig2 or Comity bd?

Sig2 ships an update every 3 weeks, and Comity bd daily. Most recently, Sig2 was updated on September 14, 2026 and Comity bd on September 11, 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.*