# Iris Survey vs UnderControl ELD

The clearest difference is update cadence: Iris Survey at every 2 weeks against UnderControl ELD's every 8 months. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Iris Survey against 5.0 for UnderControl ELD. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Iris Survey ships an update every 2 weeks, UnderControl ELD every 8 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Iris Survey | UnderControl ELD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/iris-survey/id1324292541/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/undercontrol-eld/id6449359374/reviews) |
| Number of ratings | 2 | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Monetization | Free | Free |
| Size | 77 MB | 30 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OpportunitySpace, Inc](https://appshunter.io/developer/1324292540) | [UNDER CONTROL TECHNOLOGY LLC](https://appshunter.io/developer/1688707217) |

## What reviewers say

### Iris Survey

[App page](https://appshunter.io/ios/app/iris-survey/id1324292541)

A fully customizable mobile tool for capturing property information in the field. It structures surveys to provide actionable intelligence through structured data entry, notes, and photo uploads from any mobile device.

**Highlights:** Fully customizable surveys, Property information capture, Actionable intelligence structuring, Structured data entry, Raw notes, Photo uploads

**Features:** macOS Compatibility

**In-app purchases:** none


### UnderControl ELD

[App page](https://appshunter.io/ios/app/undercontrol-eld/id6449359374)

This electronic logbook simplifies driver compliance with DOT regulations, generating RODS and inspection reports to prevent fines. It saves drivers time and reduces fleet manager workload, with optional upgrades for IFTA mileage and GPS tracking.

**Highlights:** Electronic logbook (ELD), RODS and inspection reports, DOT compliance, IFTA mileage calculations (upgrade), GPS tracking (upgrade), Fleet manager workload reduction

**In-app purchases:** none


## Frequently asked questions

### Is Iris Survey free?

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

### Is UnderControl ELD free?

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

### Which has better reviews, Iris Survey or UnderControl ELD?

Iris Survey and UnderControl ELD are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do Iris Survey or UnderControl ELD have ads?

Neither Iris Survey nor UnderControl ELD shows ads.

### Which is updated more often, Iris Survey or UnderControl ELD?

Iris Survey ships an update every 2 weeks, and UnderControl ELD every 8 months. Most recently, Iris Survey was updated on October 7, 2026 and UnderControl ELD on October 14, 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.*