# Transmit Authenticator vs Zip Authenticator

The clearest difference is rating: Zip Authenticator at 5.0 against Transmit Authenticator's 4.3. Transmit Authenticator's advantage is update cadence (every 5 months vs every 13 months) and iOS requirement (10.0 vs 13.4). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Zip Authenticator holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 6 and 6 respectively.

Transmit Authenticator ships an update every 5 months, Zip Authenticator every 13 months. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Transmit Authenticator | Zip Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/transmit-authenticator/id1481071726/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/zip-authenticator/id1631427997/reviews)** |
| Number of ratings | 6 | 6 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 44 MB | 17 MB |
| Requires iOS | **10.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Transmit Security LTD](https://appshunter.io/developer/1091197594) | [ZipHQ, Inc.](https://appshunter.io/developer/1486552137) |

## What reviewers say

### Transmit Authenticator

[App page](https://appshunter.io/ios/app/transmit-authenticator/id1481071726)

This app provides a secure and simple method for users to access enterprise accounts and workstations. It supports offline login and integrates with organizational security systems for seamless authentication.

**Highlights:** Secure enterprise account access, Offline login support, QR code registration, Multi-factor authentication, Step-up authentication

**In-app purchases:** none


### Zip Authenticator

[App page](https://appshunter.io/ios/app/zip-authenticator/id1631427997)

Enhance financial transaction security with multi-factor authentication for Zip users. Approve payments directly from your mobile device, receiving detailed transaction information before confirmation. Compliant with EU regulations for secure online payments.

**Highlights:** Multi-factor authentication for Zip payments, Displays transaction details (amount, payee), EU Strong Customer Authentication (SCA) compliance, Easy QR code setup, PIN-based verification

**In-app purchases:** none


## Frequently asked questions

### Is Transmit Authenticator free?

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

### Is Zip Authenticator free?

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

### Which has better reviews, Transmit Authenticator or Zip Authenticator?

Zip Authenticator is rated higher. Transmit Authenticator averages 4.3 out of 5 from 6 ratings, while Zip Authenticator averages 5.0 from 6 ratings.

### Do Transmit Authenticator or Zip Authenticator have ads?

Neither Transmit Authenticator nor Zip Authenticator shows ads.

### Which is updated more often, Transmit Authenticator or Zip Authenticator?

Transmit Authenticator ships an update every 5 months, and Zip Authenticator every 13 months. Most recently, Transmit Authenticator was updated on September 30, 2026 and Zip Authenticator on October 4, 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.*