# Aruba OTP vs TR3

The clearest difference is update cadence: Aruba OTP at every 3 months against TR3's every 9 months. TR3's advantage is iOS requirement (13.4 vs 15.6). 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.

Aruba OTP ships an update every 3 months, TR3 every 9 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Aruba OTP | TR3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/aruba-otp/id1140955797/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 34.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free | — |
| Size | 79 MB | 25 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Aruba S.p.A.](https://appshunter.io/developer/461429240) | [Nazca Ricerca srl](https://appshunter.io/developer/827789482) |

## What reviewers say

### Aruba OTP

[App page](https://appshunter.io/ios/app/aruba-otp/id1140955797)

Generate One Time Passwords for secure access to Italian public administration services and other web services. This app supports SPID, ArubaPEC Remote Signature, and Cloud Solutions, ensuring authenticated access to your digital accounts.

**Highlights:** One Time Password generation, SPID authentication, ArubaPEC Remote Signature support, Cloud Solutions access, Secure digital identity management

**In-app purchases:** none


### TR3

[App page](https://appshunter.io/ios/app/tr3/id6503912209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Aruba OTP free?

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

### Is TR3 free?

TR3 is free to download, with no in-app purchases.

### Do Aruba OTP or TR3 have ads?

Neither Aruba OTP nor TR3 shows ads.

### Which is updated more often, Aruba OTP or TR3?

Aruba OTP ships an update every 3 months, and TR3 every 9 months. Most recently, Aruba OTP was updated on October 24, 2026 and TR3 on October 25, 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.*