# MeterTracker vs Authenticator App

The clearest difference is in-app purchases: MeterTracker at none against Authenticator App's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Authenticator App sells 3 in-app purchases, starting at $8.99 per month. MeterTracker asks for nothing beyond the download.

MeterTracker ships an update every 2 months, Authenticator App every 3 months. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | MeterTracker | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/authenticator-app-otp-and-2fa/id6738784299/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 76.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 44 MB | 12 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Krumedia GmbH](https://appshunter.io/developer/1553882725) | [Sky Stack Systems LLC](https://appshunter.io/developer/1837994634) |

## What reviewers say

### MeterTracker

[App page](https://appshunter.io/ios/app/metertracker/id1610565431)

**Features:** Vision Pro support

**In-app purchases:** none


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-otp-and-2fa/id6738784299)

Secure your online accounts with two-factor authentication and manage all your passwords in one place. Easily scan QR codes to set up codes and integrate with popular services for enhanced digital safety.

**Highlights:** Two-Factor Authentication (2FA), Password Manager, Scan and Import Codes, Seamless Integration, Secure Account Management

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $8.99 | per month |
| Yearly Subscription | $24.99 | per year |
| Lifetime Plan | $44.99 | one-time |


## Frequently asked questions

### Is MeterTracker free?

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

### Is Authenticator App free?

Authenticator App is free to download, with in-app purchases available.

### Do MeterTracker or Authenticator App have ads?

Neither MeterTracker nor Authenticator App shows ads.

### Which is updated more often, MeterTracker or Authenticator App?

MeterTracker ships an update every 2 months, and Authenticator App every 3 months. Most recently, MeterTracker was updated on September 10, 2026 and Authenticator App on June 1, 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.*