# iAssign vs ArcGIS Field Maps

The clearest difference is rating: iAssign at 5.0 against ArcGIS Field Maps's 2.1. iAssign also leads on iOS requirement (16.0 vs 18.5). ArcGIS Field Maps's advantage is ratings volume (58 vs 2) and update cadence (monthly vs every 4 months). 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.

iAssign holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: ArcGIS Field Maps has 58 ratings behind it against 2, so its average is the more settled of the two.

iAssign ships an update every 4 months, ArcGIS Field Maps monthly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | iAssign | ArcGIS Field Maps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/iassign/id1497043707/reviews)** | [2.1 (58 ratings)](https://appshunter.io/ios/app/arcgis-field-maps/id1515671684/reviews) |
| Number of ratings | 2 | **58** |
| Positive reviews | — | 11.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | Free |
| Size | 25 MB | 161 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Industrial Scientific](https://appshunter.io/developer/1079090673) | [ESRI](https://appshunter.io/developer/379687933) |

## What reviewers say

### iAssign

[App page](https://appshunter.io/ios/app/iassign/id1497043707)

This app helps monitor worker safety by tracking exposure to dangerous conditions and identifying unsafe behaviors. It uses beacons and tags to automatically log location data and alert users to restricted areas, enhancing worksite visibility and data interpretation.

**Highlights:** Automatic site assignment via beacons, Proximity alerts for restricted areas, Manual worker check-in/out, Gas detection data interpretation, Bluetooth-enabled tracking, Enhanced worksite visibility

**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 iAssign free?

iAssign 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, iAssign or ArcGIS Field Maps?

iAssign is rated higher. iAssign averages 5.0 out of 5 from 2 ratings, while ArcGIS Field Maps averages 2.1 from 58 ratings.

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

Neither iAssign nor ArcGIS Field Maps shows ads.

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

iAssign ships an update every 4 months, and ArcGIS Field Maps monthly. Most recently, iAssign was updated on November 3, 2026 and ArcGIS Field Maps on November 7, 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.*