# GT e vs Blink by O3

The clearest difference is iOS requirement: Blink by O3 at 13.0 against GT e's 15.1. On price, update cadence, 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.

GT e ships an update fortnightly, Blink by O3 every 9 days. Both last shipped on November 13, 2026.

## The numbers

| Metric | GT e | Blink by O3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (866 ratings)](https://appshunter.io/ios/app/gt-e-token-plus/id6760703670/reviews)** | — |
| Number of ratings | **866** | — |
| Positive reviews | 60.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free | — |
| Size | 55 MB | 63 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guaranty Trust Bank PLC](https://appshunter.io/developer/662878574) | [O3 Mobile](https://appshunter.io/developer/1565911721) |

## What reviewers say

### GT e

[App page](https://appshunter.io/ios/app/gt-e-token-plus/id6760703670)

This app generates secure one-time passwords (OTPs) for authenticating electronic transactions like online and mobile banking. It offers a convenient alternative to hardware tokens, providing 24/7 access to banking services after a simple activation process.

**Highlights:** Generates One-Time Passwords (OTPs), Authenticates electronic transactions, Alternative to hardware tokens, Supports web, internet, and mobile banking, Secure 6-digit passcode login, 24/7 banking access

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

**In-app purchases:** none


### Blink by O3

[App page](https://appshunter.io/ios/app/blink-by-o3/id6768255303)

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

**In-app purchases:** none


## Frequently asked questions

### Is GT e free?

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

### Is Blink by O3 free?

Blink by O3 is free to download, with no in-app purchases.

### Do GT e or Blink by O3 have ads?

Neither GT e nor Blink by O3 shows ads.

### Which is updated more often, GT e or Blink by O3?

GT e ships an update fortnightly, and Blink by O3 every 9 days. Most recently, GT e was updated on November 13, 2026 and Blink by O3 on November 13, 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.*