# SolarEdge Mapper vs Terra Energy

The clearest difference is rating: SolarEdge Mapper at 4.5 against Terra Energy's 2.0. SolarEdge Mapper also leads on ratings volume (649 vs 14) and review sentiment (50% vs 38%). 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 holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: SolarEdge Mapper has 649 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 50% of SolarEdge Mapper's written reviews are positive against 38% of Terra Energy's.

SolarEdge Mapper ships an update every 5 weeks, Terra Energy every 6 weeks. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | SolarEdge Mapper | Terra Energy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (649 ratings)](https://appshunter.io/ios/app/solaredge-mapper/id432768469/reviews)** | [2.0 (14 ratings)](https://appshunter.io/ios/app/terra-energy/id6736410208/reviews) |
| Number of ratings | **649** | 14 |
| Positive reviews | **50.0% of reviews** | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 50 MB | 68 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [SolarEdge Technologies](https://appshunter.io/developer/384374350) | [Terra Solar LLC](https://appshunter.io/developer/1771907248) |

## 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


### Terra Energy

[App page](https://appshunter.io/ios/app/terra-energy/id6736410208)

Monitor your solar power system's performance and savings in real-time. Track energy generation, view detailed reports, and manage your account with ease. Refer friends to earn rewards and gain full control of your solar energy.

**Highlights:** Real-time energy generation tracking, Performance and savings reports, Environmental benefit tracking, Referral rewards program, Account management (payments, transactions, profile), Solar system control

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

**In-app purchases:** none


## Frequently asked questions

### Is SolarEdge Mapper free?

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

### Is Terra Energy free?

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

### Which has better reviews, SolarEdge Mapper or Terra Energy?

SolarEdge Mapper is rated higher. SolarEdge Mapper averages 4.5 out of 5 from 649 ratings, while Terra Energy averages 2.0 from 14 ratings.

### Do SolarEdge Mapper or Terra Energy have ads?

Neither SolarEdge Mapper nor Terra Energy shows ads.

### Which is updated more often, SolarEdge Mapper or Terra Energy?

SolarEdge Mapper ships an update every 5 weeks, and Terra Energy every 6 weeks. Most recently, SolarEdge Mapper was updated on November 1, 2026 and Terra Energy on November 8, 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.*