# CNA vs Syn

The clearest difference is review sentiment: Syn at 70% against CNA's 0%. Syn also leads on update cadence (fortnightly vs every 4 months). CNA's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CNA ships an update every 4 months, Syn fortnightly. The most recent releases landed on June 9, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | CNA | Syn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (6 ratings)](https://appshunter.io/ios/app/cna/id723867664/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | **70.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 34 MB | 37 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [ORDEM DOS ADVOGADOS DO BRASIL CONSELHO FEDERAL](https://appshunter.io/developer/1543249509) | [Syngular ID](https://appshunter.io/developer/1702701596) |

## What reviewers say

### CNA

[App page](https://appshunter.io/ios/app/cna/id723867664)

This tool allows users to search for registered lawyers and interns within the OAB registry. You can view their associated firms, addresses, and phone numbers.

**Highlights:** Search registered lawyers, Search registered interns, View lawyer's firms, Consult addresses, Consult phone numbers

**Features:** macOS Compatibility

**In-app purchases:** none


### Syn

[App page](https://appshunter.io/ios/app/syn/id6461774561)

This app provides secure control over your cloud-based digital certificate. It ensures that only authorized operations, confirmed by your PIN, can be performed with your certificate. You can also use it to audit your account for security and authorized operations.

**Highlights:** Cloud digital certificate management, Exclusive control via mobile app, PIN-based authorization, Security audits, High-security storage (HSM), Operation divergence cancellation

**In-app purchases:** none


## Frequently asked questions

### Is CNA free?

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

### Is Syn free?

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

### Do CNA or Syn have ads?

Neither CNA nor Syn shows ads.

### Which is updated more often, CNA or Syn?

CNA ships an update every 4 months, and Syn fortnightly. Most recently, CNA was updated on June 9, 2026 and Syn 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.*