# Lumin Smart vs Terravolt

The clearest difference is iOS requirement: Terravolt at 13 against Lumin Smart's 15.0. 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.

Lumin Smart ships an update every 3 weeks, Terravolt monthly. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Lumin Smart | Terravolt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/lumin-smart/id1472704942/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 51 MB | 20 MB |
| Requires iOS | 15.0 | **13** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Lumin](https://appshunter.io/developer/1472704941) | [SOARING SUNSHINE PTE. LTD.](https://appshunter.io/developer/1880250051) |

## What reviewers say

### Lumin Smart

[App page](https://appshunter.io/ios/app/lumin-smart/id1472704942)

Take full control of your home's energy usage with this app. Monitor real-time consumption, manage circuits during blackouts, and optimize battery and solar systems to reduce costs.

**Highlights:** Blackout management, Customizable circuit scheduling, Battery optimization, Real-time energy monitoring, Solar+storage management

**Features:** macOS Compatibility

**In-app purchases:** none


### Terravolt

[App page](https://appshunter.io/ios/app/terravolt/id6759696091)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lumin Smart free?

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

### Is Terravolt free?

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

### Do Lumin Smart or Terravolt have ads?

Neither Lumin Smart nor Terravolt shows ads.

### Which is updated more often, Lumin Smart or Terravolt?

Lumin Smart ships an update every 3 weeks, and Terravolt monthly. Most recently, Lumin Smart was updated on October 14, 2026 and Terravolt on October 10, 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.*