# TankData vs Authenticator App ‧

The clearest difference is review sentiment: TankData at 100% against Authenticator App ‧'s 0%. TankData also leads on in-app purchases (none vs 4) and rating (3.0 vs 2.5). Authenticator App ‧'s advantage is ratings volume (1.1K vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Authenticator App ‧ sells 4 in-app purchases, starting at $39.99 per year. TankData asks for nothing beyond the download.

TankData holds the better App Store score, 3.0 against 2.5. That said, the two scores are not equally well evidenced: Authenticator App ‧ has 1.1K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of TankData's written reviews are positive against 0% of Authenticator App ‧'s.

TankData ships an update every 4 months, Authenticator App ‧ every 5 months. The most recent releases landed on October 10, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | TankData | Authenticator App ‧ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/tankdata/id1094287108/reviews)** | [2.5 (1.1K ratings)](https://appshunter.io/ios/app/authenticator-app/id6502765078/reviews) |
| Number of ratings | 4 | **1.1K** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | **Free** | Subscription |
| Size | 130 MB | 32 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [TankLink Corporation](https://appshunter.io/developer/1084784645) | [Normal Vector](https://appshunter.io/developer/1746700274) |

## What reviewers say

### TankData

[App page](https://appshunter.io/ios/app/tankdata/id1094287108)

Monitor storage tank levels, temperature, and location remotely 24/7 from your mobile device. Receive custom alerts and optimize inventory management and delivery routes for improved operational efficiency.

**Highlights:** Real-time tank level and temperature monitoring, GPS tank location tracking, Customizable alerts and alarms, Usage history and reporting, Optimized delivery routing, Reduced emergency deliveries

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator App ‧

[App page](https://appshunter.io/ios/app/authenticator-app/id6502765078)

Enhance your account security with advanced two-factor authentication. This app provides double encryption, secure iCloud backup, and seamless integration with over 1000 popular services. It offers face recognition for effortless login and robust verification processes to protect your sensitive information.

**Highlights:** Two-step verification, QR code account addition, Encrypted iCloud backup, Compatibility with 1000+ apps, Face recognition login

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly VIP | $39.99 | per year |
| Yearly VIP | $49.99 | per year |
| Yearly 3DaysTrail VIP | $49.99 | per year |
| Lifetime VIP | $49.99 | one-time |

**What reviewers complain about**

- 🚫 Not the official Microsoft Authenticator app
- 💰 Deceptive pricing and subscription model
- 🤔 Unintuitive and confusing setup
- 🙅‍♀️ Lack of instructions and support
- 🔒 Potential security and privacy concerns

**Reported bugs**

- App not working as expected
- Subscription issues and inability to cancel


## Frequently asked questions

### Is TankData free?

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

### Is Authenticator App ‧ free?

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

### Which has better reviews, TankData or Authenticator App ‧?

TankData is rated higher. TankData averages 3.0 out of 5 from 4 ratings, while Authenticator App ‧ averages 2.5 from 1.1K ratings.

### Do TankData or Authenticator App ‧ have ads?

Neither TankData nor Authenticator App ‧ shows ads.

### Which is updated more often, TankData or Authenticator App ‧?

TankData ships an update every 4 months, and Authenticator App ‧ every 5 months. Most recently, TankData was updated on October 10, 2026 and Authenticator App ‧ on October 21, 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.*