# TankData vs Empower, by ISN

The clearest difference is rating: Empower, by ISN at 4.8 against TankData's 3.0. Empower, by ISN also leads on ratings volume (31K vs 4) and update cadence (every 2 months vs every 4 months). TankData's advantage is review sentiment (100% vs 68%) and monetization model (free vs ad-supported). On price, 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.

Empower, by ISN holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Empower, by ISN has 31K ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 100% of TankData's written reviews are positive against 68% of Empower, by ISN's, so the app with the better star average is not the one people write more warmly about.

TankData ships an update every 4 months, Empower, by ISN every 2 months. The most recent releases landed on November 2, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | TankData | Empower, by ISN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/tankdata/id1094287108/reviews) | **[4.8 (31K ratings)](https://appshunter.io/ios/app/empower-by-isn/id1609286976/reviews)** |
| Number of ratings | 4 | **31K** |
| Positive reviews | **100.0% of reviews** | 68.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 130 MB | 53 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [TankLink Corporation](https://appshunter.io/developer/1084784645) | [ISNetworld](https://appshunter.io/developer/1060652855) |

## 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


### Empower, by ISN

[App page](https://appshunter.io/ios/app/empower-by-isn/id1609286976)

Access work-readiness training, digital IDs, and jobsite requirements. Manage licenses and certifications, and stay informed with AI-generated toolbox talks. Connect with hiring clients to view compliance status and bulletin board messages.

**Highlights:** Digital ISN-ID card access, View jobsite requirements and compliance, Complete trainings on-the-go, AI-generated Toolbox Talks™, Manage licenses and certifications, Access bulletin board messages

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient training platform
- 💡 Great administrative controls
- 👍 Straightforward navigation

**What reviewers complain about**

- 🐛 Setup issues for larger companies
- 🐛 Update problems
- 🔒 Verification issues with phone number

**Reported bugs**

- Partial error messages during video playback
- App progress wiped out after restart

**Requested features**

- Option to store external documents
- Email verification option


## Frequently asked questions

### Is TankData free?

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

### Is Empower, by ISN free?

Empower, by ISN is free to download, with no in-app purchases.

### Which has better reviews, TankData or Empower, by ISN?

Empower, by ISN is rated higher. TankData averages 3.0 out of 5 from 4 ratings, while Empower, by ISN averages 4.8 from 31K ratings.

### Do TankData or Empower, by ISN have ads?

Neither TankData nor Empower, by ISN shows ads.

### Which is updated more often, TankData or Empower, by ISN?

TankData ships an update every 4 months, and Empower, by ISN every 2 months. Most recently, TankData was updated on November 2, 2026 and Empower, by ISN on November 10, 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.*