# SecTrail Authenticator vs i

The clearest difference is update cadence: i at every 3 months against SecTrail Authenticator's every 14 months. 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.

SecTrail Authenticator ships an update every 14 months, i every 3 months. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | SecTrail Authenticator | i |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 months** |
| Size | 26 MB | 46 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [BNTPRO Bilgi ve Iletisim Hizmetleri Ltd.Sti.](https://appshunter.io/developer/1292595478) | [NURCAN BABALIK - NACSOFT YAZILIM](https://appshunter.io/developer/1488919378) |

## What reviewers say

### SecTrail Authenticator

[App page](https://appshunter.io/ios/app/sectrail-authenticator/id1483049380)

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

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-expense-expense-management/id6759365739)

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

**In-app purchases:** none


## Frequently asked questions

### Is SecTrail Authenticator free?

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

### Is i free?

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

### Do SecTrail Authenticator or i have ads?

Neither SecTrail Authenticator nor i shows ads.

### Which is updated more often, SecTrail Authenticator or i?

SecTrail Authenticator ships an update every 14 months, and i every 3 months. Most recently, SecTrail Authenticator was updated on October 21, 2026 and i on October 20, 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.*