# SODMAP Mobile vs ArcGIS Survey123

The clearest difference is rating: SODMAP Mobile at 4.0 against ArcGIS Survey123's 2.7. SODMAP Mobile also leads on review sentiment (50% vs 12%) and iOS requirement (6.0 vs 13.0). ArcGIS Survey123's advantage is ratings volume (223 vs 3). On price, update cadence, 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.

SODMAP Mobile holds the better App Store score, 4.0 against 2.7. That said, the two scores are not equally well evidenced: ArcGIS Survey123 has 223 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of SODMAP Mobile's written reviews are positive against 12% of ArcGIS Survey123's.

SODMAP Mobile ships an update every 4 months, ArcGIS Survey123 every 2 months. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | SODMAP Mobile | ArcGIS Survey123 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/sodmap-mobile/id633908364/reviews)** | [2.7 (223 ratings)](https://appshunter.io/ios/app/arcgis-survey123/id993015031/reviews) |
| Number of ratings | 3 | **223** |
| Positive reviews | **50.0% of reviews** | 12.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 1 MB | 221 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Doug Schmidt](https://appshunter.io/developer/633908367) | [ESRI](https://appshunter.io/developer/379687933) |

## What reviewers say

### SODMAP Mobile

[App page](https://appshunter.io/ios/app/sodmap-mobile/id633908364)

This app helps users identify and assess the risk of Sudden Oak Death (SOD) in their area. It visualizes disease distribution, provides risk assessments based on proximity to confirmed cases, and encourages participation in surveys to improve data.

**Highlights:** Visualize SOD distribution with geo-location, View confirmed SOD-positive and negative specimens, Identify tree locations with pins, Assess SOD infection risk, Determine local disease incidence, Receive warnings for insufficient data

**Features:** macOS Compatibility

**In-app purchases:** none


### ArcGIS Survey123

[App page](https://appshunter.io/ios/app/arcgis-survey123/id993015031)

Capture precise, location-aware data in the field using smart forms, even offline. Seamlessly sync collected information with your ArcGIS platform for real-time analysis and decision-making. Ideal for public feedback, inspections, and documenting field conditions.

**Highlights:** Smart forms for data collection, Offline data capture and syncing, Location-aware data with GPS, Support for various question types, Photo and audio attachments, Data validation and skip logic, Integration with ArcGIS platform

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

**In-app purchases:** none

**What reviewers like**

- 💡 Offline map viewing capability
- 🌍 Easy translation support
- 📝 Solid core functionality for data collection
- 🎨 Customizable forms when designed well
- 📱 Works well on iPad with proper configuration

**What reviewers complain about**

- 🔋 Severe battery drain from continuous location tracking
- 🐛 Frequent crashes and app freezes
- ⏱️ Significant lag and slow performance
- 🔐 Authentication and login issues
- 📸 Photo attachment failures and glitches

**Reported bugs**

- Continuous location services polling even when app is closed
- iPhone 17 photo capture causes complete app crash
- Keyboard hangs during form data entry
- App crashes on login attempts
- Submit checkbox occluded by keyboard

**Requested features**

- Edit sent survey data capability
- Multiple photo selection from library
- Magic keyboard trackpad support for iPad
- Previous answers dropdown for repeated data entry
- Desktop/web-based survey completion


## Frequently asked questions

### Is SODMAP Mobile free?

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

### Is ArcGIS Survey123 free?

ArcGIS Survey123 is free to download, with no in-app purchases.

### Which has better reviews, SODMAP Mobile or ArcGIS Survey123?

SODMAP Mobile is rated higher. SODMAP Mobile averages 4.0 out of 5 from 3 ratings, while ArcGIS Survey123 averages 2.7 from 223 ratings.

### Do SODMAP Mobile or ArcGIS Survey123 have ads?

Neither SODMAP Mobile nor ArcGIS Survey123 shows ads.

### Which is updated more often, SODMAP Mobile or ArcGIS Survey123?

SODMAP Mobile ships an update every 4 months, and ArcGIS Survey123 every 2 months. Most recently, SODMAP Mobile was updated on November 1, 2026 and ArcGIS Survey123 on November 8, 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.*