# LineGuide vs Iris Survey

The clearest difference is rating: Iris Survey at 5.0 against LineGuide's 4.6. Iris Survey also leads on update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (11.0 vs 16.6). LineGuide's advantage is ratings volume (22 vs 2). 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.

Iris Survey holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: LineGuide has 22 ratings behind it against 2, so its average is the more settled of the two.

LineGuide ships an update every 5 weeks, Iris Survey every 2 weeks. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | LineGuide | Iris Survey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (22 ratings)](https://appshunter.io/ios/app/lineguide/id1202257722/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/iris-survey/id1324292541/reviews)** |
| Number of ratings | **22** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 46 MB | 77 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FORTALEZA, L.L.C](https://appshunter.io/developer/1202257721) | [OpportunitySpace, Inc](https://appshunter.io/developer/1324292540) |

## What reviewers say

### LineGuide

[App page](https://appshunter.io/ios/app/lineguide/id1202257722)

This app assists power companies in inspecting transmission lines, poles, and substations. Users can document findings with photos and access repair information, engineering documents, and driving directions. It streamlines the inspection workflow for field personnel.

**Highlights:** Inspect transmission lines, poles, and substations, Capture photos of findings, View necessary repairs, Access engineering documents, Utilize driving directions

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is LineGuide free?

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

### Is Iris Survey free?

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

### Which has better reviews, LineGuide or Iris Survey?

Iris Survey is rated higher. LineGuide averages 4.6 out of 5 from 22 ratings, while Iris Survey averages 5.0 from 2 ratings.

### Do LineGuide or Iris Survey have ads?

Neither LineGuide nor Iris Survey shows ads.

### Which is updated more often, LineGuide or Iris Survey?

LineGuide ships an update every 5 weeks, and Iris Survey every 2 weeks. Most recently, LineGuide was updated on October 3, 2026 and Iris Survey on October 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.*