# SolarEdge Mapper vs DeltaSolar

The clearest difference is review sentiment: SolarEdge Mapper at 30% against DeltaSolar's 0%. DeltaSolar's advantage is iOS requirement (11.0 vs 13.0). 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.

SolarEdge Mapper ships an update every 5 weeks, DeltaSolar every 2 months. The most recent releases landed on September 4, 2026 and July 19, 2026 respectively.

## The numbers

| Metric | SolarEdge Mapper | DeltaSolar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (651 ratings)](https://appshunter.io/ios/app/solaredge-mapper/id432768469/reviews)** | — |
| Number of ratings | **651** | — |
| Positive reviews | **29.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 50 MB | 136 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SolarEdge Technologies](https://appshunter.io/developer/384374350) | [Delta Electronics, Inc.](https://appshunter.io/developer/386896582) |

## 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


### DeltaSolar

[App page](https://appshunter.io/ios/app/deltasolar/id1570742979)

Monitor your solar energy system's performance remotely or onsite. Track energy production, consumption, and export, with historical data for analysis. View grid and solar power voltage, frequency, and amps for comprehensive system insights.

**Highlights:** Remote Wi-Fi access, Direct onsite connection, Energy status and analysis, Production, consumption, export data, Historical performance data, Grid and solar voltage/frequency monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SolarEdge Mapper free?

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

### Is DeltaSolar free?

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

### Do SolarEdge Mapper or DeltaSolar have ads?

Neither SolarEdge Mapper nor DeltaSolar shows ads.

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

SolarEdge Mapper ships an update every 5 weeks, and DeltaSolar every 2 months. Most recently, SolarEdge Mapper was updated on September 4, 2026 and DeltaSolar on July 19, 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.*