# iSIGN+ PASS v2 vs CD3M

The clearest difference is update cadence: CD3M at every 2 weeks against iSIGN+ PASS v2's every 2 months. iSIGN+ PASS v2's advantage is iOS requirement (15 vs 17.6). 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.

iSIGN+ PASS v2 ships an update every 2 months, CD3M every 2 weeks. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | iSIGN+ PASS v2 | CD3M |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 39 MB | 2 MB |
| Requires iOS | **15** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Penta Security Inc.](https://appshunter.io/developer/919437580) | [Dohyung Woo](https://appshunter.io/developer/1875720581) |

## What reviewers say

### iSIGN+ PASS v2

[App page](https://appshunter.io/ios/app/isign-plus-pass-v2/id6444204442)

Streamline your logins with secure, simple authentication. Choose from Face ID, fingerprint, PIN, or QR codes instead of complex passwords. Track your login history and manage connected services for enhanced security.

**Highlights:** Simple authentication methods, Face ID and fingerprint login, PIN, pattern, OTP, QR support, Login history tracking, Service list management, Secure login management

**Features:** Vision Pro support

**In-app purchases:** none


### CD3M

[App page](https://appshunter.io/ios/app/cd3m/id6759056827)

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

**In-app purchases:** none


## Frequently asked questions

### Is iSIGN+ PASS v2 free?

iSIGN+ PASS v2 is free to download, with no in-app purchases.

### Is CD3M free?

CD3M is free to download, with no in-app purchases.

### Do iSIGN+ PASS v2 or CD3M have ads?

Neither iSIGN+ PASS v2 nor CD3M shows ads.

### Which is updated more often, iSIGN+ PASS v2 or CD3M?

iSIGN+ PASS v2 ships an update every 2 months, and CD3M every 2 weeks. Most recently, iSIGN+ PASS v2 was updated on October 8, 2026 and CD3M on October 9, 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.*