# Green Map Surveys vs OTDR RCM

Green Map Surveys and OTDR RCM are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Green Map Surveys | OTDR RCM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | — |
| Size | 50 MB | 90 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GISCollective](https://appshunter.io/developer/1587762271) | [Yokogawa Test & Measurement Corporation](https://appshunter.io/developer/997661022) |

## What reviewers say

### Green Map Surveys

[App page](https://appshunter.io/ios/app/green-map-surveys/id6743010766)

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

**In-app purchases:** none


### OTDR RCM

[App page](https://appshunter.io/ios/app/otdr-rcm/id6752284854)

**In-app purchases:** none


## Frequently asked questions

### Is Green Map Surveys free?

Green Map Surveys is free to download, with no in-app purchases.

### Is OTDR RCM free?

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

### Do Green Map Surveys or OTDR RCM have ads?

Neither Green Map Surveys nor OTDR RCM shows ads.

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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.*