# TankData vs ArcGIS Field Maps

The clearest difference is review sentiment: TankData at 100% against ArcGIS Field Maps's 11%. TankData also leads on rating (3.0 vs 2.1) and iOS requirement (14.0 vs 18.5). ArcGIS Field Maps's advantage is update cadence (every 6 weeks vs every 4 months) and ratings volume (59 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TankData holds the better App Store score, 3.0 against 2.1. That said, the two scores are not equally well evidenced: ArcGIS Field Maps has 59 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 11% of ArcGIS Field Maps's.

TankData ships an update every 4 months, ArcGIS Field Maps every 6 weeks. The most recent releases landed on November 2, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | TankData | ArcGIS Field Maps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/tankdata/id1094287108/reviews)** | [2.1 (59 ratings)](https://appshunter.io/ios/app/arcgis-field-maps/id1515671684/reviews) |
| Number of ratings | 4 | **59** |
| Positive reviews | **100.0% of reviews** | 10.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 130 MB | 268 MB |
| Requires iOS | **14.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [TankLink Corporation](https://appshunter.io/developer/1084784645) | [ESRI](https://appshunter.io/developer/379687933) |

## 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


### ArcGIS Field Maps

[App page](https://appshunter.io/ios/app/arcgis-field-maps/id1515671684)

This app provides mobile workers with interactive digital maps to understand their surroundings, locate assets, and collect data. It features smart forms for efficient data entry, offline capabilities, and location sharing for coordination and safety. Designed for organizational use, it supports fieldwork for various teams.

**Highlights:** Interactive digital maps, Smart forms for data collection, Offline map capabilities, Location sharing and tracking, Geofence alerts, Asset scanning and annotation, Data editing and syncing

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

**In-app purchases:** none

**What reviewers like**

- 🗺️ Comprehensive mapping capabilities when functioning
- 📊 Powerful data collection features for field work
- 🔄 Integration with ArcGIS ecosystem
- 📍 Useful for basic map information and POI lookup
- 🎯 Improved form calculations and contingent values

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- ⚠️ Unreliable offline map functionality
- 🔄 Constant need to delete and reinstall app
- 📥 Offline download failures and incomplete syncing
- ⏱️ Slow performance and lag

**Reported bugs**

- App crashes on startup and during use
- Layers fail to load intermittently
- Offline map downloads fail or hang indefinitely
- Authentication errors and keyboard not appearing on login
- Maps load only 30% of the time

**Requested features**

- Stylus support for drawing features
- Landscape mode for iPhone devices
- Apple Watch integration and capabilities
- Export functionality (GPX, KMZ formats)
- Improved offline area size and quality selection


## Frequently asked questions

### Is TankData free?

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

### Is ArcGIS Field Maps free?

ArcGIS Field Maps is free to download, with no in-app purchases.

### Which has better reviews, TankData or ArcGIS Field Maps?

TankData is rated higher. TankData averages 3.0 out of 5 from 4 ratings, while ArcGIS Field Maps averages 2.1 from 59 ratings.

### Do TankData or ArcGIS Field Maps have ads?

Neither TankData nor ArcGIS Field Maps shows ads.

### Which is updated more often, TankData or ArcGIS Field Maps?

TankData ships an update every 4 months, and ArcGIS Field Maps every 6 weeks. Most recently, TankData was updated on November 2, 2026 and ArcGIS Field Maps 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.*