# SolarEdge Mapper vs Denowatts

The clearest difference is rating: SolarEdge Mapper at 4.5 against Denowatts's 3.0. SolarEdge Mapper also leads on review sentiment (30% vs 0%) and ratings volume (651 vs 2). Denowatts's advantage is update cadence (every 9 days vs every 5 weeks). 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.

SolarEdge Mapper holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: SolarEdge Mapper has 651 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 30% of SolarEdge Mapper's written reviews are positive against 0% of Denowatts's.

SolarEdge Mapper ships an update every 5 weeks, Denowatts every 9 days. The most recent releases landed on October 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | SolarEdge Mapper | Denowatts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (651 ratings)](https://appshunter.io/ios/app/solaredge-mapper/id432768469/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/denowatts/id1640705337/reviews) |
| Number of ratings | **651** | 2 |
| Positive reviews | **29.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free | Free |
| Size | 50 MB | 67 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SolarEdge Technologies](https://appshunter.io/developer/384374350) | [Denowatts Solar, LLC](https://appshunter.io/developer/1640705339) |

## What reviewers say

### SolarEdge Mapper

[App page](https://appshunter.io/ios/app/solaredge-mapper/id432768469)

Streamline new system registration for installers by mapping physical layouts directly within the cloud monitoring platform. Create, edit, and verify system layouts on-site, and easily scan and assign power optimizer serial numbers to their correct locations.

**Highlights:** Onsite system registration, System physical layout creation, Onsite layout editing, Onsite layout verification, Power optimizer serial number scanning, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✅ Seamless integration with Designer and monitoring apps
- 📱 Functional for onsite work
- 🎯 QR code scanning works well
- ⚡ Improved functionality in recent updates

**What reviewers complain about**

- 🐛 Excessive bugs and glitches throughout app
- ⏱️ Extremely slow loading times for sites
- 😕 Unintuitive and complicated user interface
- 🔧 Difficult setup and configuration process
- 📸 Camera/barcode scanning unreliable

**Reported bugs**

- Error 1001 when loading sites
- Site creation fails with errors
- Camera stops working for barcode scanning
- Endless loading screens when creating sites
- Invalid state validation errors in dropdown menus

**Requested features**

- iPad/tablet version of the app
- Ability to delete old sites and declutter home screen
- Array number option in array builder
- Easier scanning and array building process
- Customer/owner read-only access to mapper functions


### Denowatts

[App page](https://appshunter.io/ios/app/denowatts/id1640705337)

This app provides technicians with instructions and tools for setting up and configuring Deno hardware. It allows for gateway network configuration, live data viewing, and radio signal strength testing on-site.

**Highlights:** Deno hardware setup instructions, Gateway network configuration, Live Deno data viewing, Radio signal strength testing, On-site data validation

**In-app purchases:** none


## Frequently asked questions

### Is SolarEdge Mapper free?

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

### Is Denowatts free?

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

### Which has better reviews, SolarEdge Mapper or Denowatts?

SolarEdge Mapper is rated higher. SolarEdge Mapper averages 4.5 out of 5 from 651 ratings, while Denowatts averages 3.0 from 2 ratings.

### Do SolarEdge Mapper or Denowatts have ads?

Neither SolarEdge Mapper nor Denowatts shows ads.

### Which is updated more often, SolarEdge Mapper or Denowatts?

SolarEdge Mapper ships an update every 5 weeks, and Denowatts every 9 days. Most recently, SolarEdge Mapper was updated on October 9, 2026 and Denowatts on September 20, 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.*