# HeatNext vs LigneAlerte

The clearest difference is in-app purchases: LigneAlerte at none against HeatNext's 1. HeatNext's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HeatNext sells 1 in-app purchase, starting at $22.90 per year. LigneAlerte asks for nothing beyond the download.

HeatNext ships an update every 5 weeks, LigneAlerte every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HeatNext | LigneAlerte |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 46 MB | 69 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nomnio](https://appshunter.io/developer/1440372439) | [ENEDIS](https://appshunter.io/developer/885458979) |

## What reviewers say

### HeatNext

[App page](https://appshunter.io/ios/app/heatnext/id1440372440)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Package | $22.90 | per year |


### LigneAlerte

[App page](https://appshunter.io/ios/app/lignealerte/id1559062129)

This app uses GPS to alert you when you are near overhead power lines. It provides customizable sound, light, and vibration alerts based on your proximity to the electrical network. The app downloads local network data upon first use and operates without requiring an account or collecting user data.

**Highlights:** GPS-based proximity alerts, Customizable sound alerts, Visual flash alerts, Vibration alerts, Offline network map download, No account required

**In-app purchases:** none


## Frequently asked questions

### Is HeatNext free?

HeatNext is free to download, with in-app purchases available.

### Is LigneAlerte free?

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

### Do HeatNext or LigneAlerte have ads?

Neither HeatNext nor LigneAlerte shows ads.

### Which is updated more often, HeatNext or LigneAlerte?

HeatNext ships an update every 5 weeks, and LigneAlerte every 3 months. Most recently, HeatNext was updated on November 6, 2026 and LigneAlerte on November 3, 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.*