# .Estra. vs HeatNext

The clearest difference is in-app purchases: .Estra. at none against HeatNext's 4. .Estra. also leads on update cadence (every 3 weeks vs every 2 months). HeatNext's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. HeatNext sells 4 in-app purchases, starting at $1.99 per month. .Estra. asks for nothing beyond the download.

.Estra. ships an update every 3 weeks, HeatNext every 2 months. The most recent releases landed on July 6, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | .Estra. | HeatNext |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 17.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 65 MB | 32 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [E.S.TR.A. SPA ENERGIA SERVIZI TERRITORIO AMBIENTE](https://appshunter.io/developer/610580200) | [Nomnio](https://appshunter.io/developer/1440372439) |

## What reviewers say

### .Estra.

[App page](https://appshunter.io/ios/app/estra/id614615236)

Manage your energy services, view bills, make payments, and track consumption. Access store locations and contact support easily. Stay updated with the latest news and manage multiple accounts.

**Highlights:** View utility data, Download bills, Pay with credit card, Submit meter readings, View consumption statistics, Find stores, Contact support

**Features:** macOS Compatibility

**In-app purchases:** none


### HeatNext

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

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Package | $1.99 | per month |
| Advanced Package | $3.99 | per month |
| Plus Package | $18.99 | per year |
| Advanced Package | $37.99 | per year |


## Frequently asked questions

### Is .Estra. free?

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

### Is HeatNext free?

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

### Do .Estra. or HeatNext have ads?

.Estra. shows ads; HeatNext does not.

### Which is updated more often, .Estra. or HeatNext?

.Estra. ships an update every 3 weeks, and HeatNext every 2 months. Most recently, .Estra. was updated on July 6, 2026 and HeatNext on September 15, 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.*