# Thomson Reuters Authenticator vs FIS Authenticator

The clearest difference is rating: FIS Authenticator at 4.2 against Thomson Reuters Authenticator's 1.2. FIS Authenticator also leads on update cadence (every 2 months vs every 5 months) and review sentiment (25% vs 11%). Thomson Reuters Authenticator's advantage is ratings volume (1.8K vs 237). 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.

FIS Authenticator holds the better App Store score, 4.2 against 1.2. That said, the two scores are not equally well evidenced: Thomson Reuters Authenticator has 1.8K ratings behind it against 237, so its average is the more settled of the two. Written reviews point the same way: 11% of Thomson Reuters Authenticator's written reviews are positive against 25% of FIS Authenticator's.

Thomson Reuters Authenticator ships an update every 5 months, FIS Authenticator every 2 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Thomson Reuters Authenticator | FIS Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.2 (1.8K ratings)](https://appshunter.io/ios/app/thomson-reuters-authenticator/id1155604687/reviews) | **[4.2 (237 ratings)](https://appshunter.io/ios/app/fis-authenticator/id1441329874/reviews)** |
| Number of ratings | **1.8K** | 237 |
| Positive reviews | 10.6% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 6 MB | 38 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Thomson Reuters](https://appshunter.io/developer/314213170) | [eFunds Corporation](https://appshunter.io/developer/354569718) |

## What reviewers say

### Thomson Reuters Authenticator

[App page](https://appshunter.io/ios/app/thomson-reuters-authenticator/id1155604687)

This app provides an additional layer of security for accessing Thomson Reuters software. It uses multi-factor authentication to verify your identity, protecting your data with a combination of something you know, have, and are.

**Highlights:** Multi-factor authentication, Secure data protection, Approve/ignore sign-on requests, Automatic setup via QR code, Support for multiple accounts, Offline code generation

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy setup
- 🔒 Secure authentication
- 👍 Works as expected

**What reviewers complain about**

- 🐛 Difficult to migrate to new device
- 👎 Unintuitive and confusing
- 🤯 Impossible to use without corporate account

**Reported bugs**

- QR code not working or unavailable
- Fails to authenticate even with correct credentials
- Permanently locked out after device change

**Requested features**

- Ability to delete old accounts
- Clearer instructions and documentation
- Notification support for approvals


### FIS Authenticator

[App page](https://appshunter.io/ios/app/fis-authenticator/id1441329874)

This app provides a secure second-factor authentication solution for users of FIS' Infinity IdP identity management service. It acts as a mobile companion to enhance account security.

**Highlights:** Second-factor authentication, Identity management companion, Enhanced account security, Mobile authentication

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

**In-app purchases:** none


## Frequently asked questions

### Is Thomson Reuters Authenticator free?

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

### Is FIS Authenticator free?

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

### Which has better reviews, Thomson Reuters Authenticator or FIS Authenticator?

FIS Authenticator is rated higher. Thomson Reuters Authenticator averages 1.2 out of 5 from 1.8K ratings, while FIS Authenticator averages 4.2 from 237 ratings.

### Do Thomson Reuters Authenticator or FIS Authenticator have ads?

Neither Thomson Reuters Authenticator nor FIS Authenticator shows ads.

### Which is updated more often, Thomson Reuters Authenticator or FIS Authenticator?

Thomson Reuters Authenticator ships an update every 5 months, and FIS Authenticator every 2 months. Most recently, Thomson Reuters Authenticator was updated on October 21, 2026 and FIS Authenticator on October 24, 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.*