# Two factor authenticator vs GPU Tracker

The clearest difference is in-app purchases: GPU Tracker at none against Two factor authenticator's 3. GPU Tracker also leads on ads (none vs shown) and update cadence (every 11 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Two factor authenticator sells 3 in-app purchases, starting at $1.99 per 7 days. GPU Tracker asks for nothing beyond the download.

Two factor authenticator ships an update monthly, GPU Tracker every 11 days. The most recent releases landed on September 23, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | Two factor authenticator | GPU Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 11 days** |
| Size | 45 MB | 32 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [nguyen thanh](https://appshunter.io/developer/1481436893) | [Sridhar Rajarao](https://appshunter.io/developer/6773427529) |

## What reviewers say

### Two factor authenticator

[App page](https://appshunter.io/ios/app/two-factor-authenticator/id6742745017)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Premium | $1.99 | per 7 days |
| One Month Premium | $4.99 | per month |
| 1 Year Premium | $19.99 | per year |


### GPU Tracker

[App page](https://appshunter.io/ios/app/gpu-tracker/id6773427526)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Two factor authenticator free?

Two factor authenticator is free to download, with in-app purchases available.

### Is GPU Tracker free?

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

### Do Two factor authenticator or GPU Tracker have ads?

Two factor authenticator shows ads; GPU Tracker does not.

### Which is updated more often, Two factor authenticator or GPU Tracker?

Two factor authenticator ships an update monthly, and GPU Tracker every 11 days. Most recently, Two factor authenticator was updated on September 23, 2026 and GPU Tracker on July 6, 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.*