# i vs HJM

The clearest difference is update cadence: i at every 3 weeks against HJM's every 3 months. HJM's advantage is review sentiment (43% vs 23%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

i ships an update every 3 weeks, HJM every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | i | HJM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/i-de/id1095609253/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 23.1% of reviews | **42.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 183 MB | 29 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [I-DE Redes Electricas Inteligentes Sociedad Anonima](https://appshunter.io/developer/1095609252) | [Hermanos Julian M S.L.](https://appshunter.io/developer/1367547773) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-de/id1095609253)

Monitor your electricity usage, power consumption, and network status. View detailed consumption data, manage contracts, and receive notifications about faults or scheduled outages. Future updates will include more advanced features for managing your energy supply.

**Highlights:** View daily, weekly, monthly consumption, Download consumption data (Excel, CSV, PDF), Check contracted power adequacy, Manage contracts for other clients, Receive fault and outage notifications, Subscribe to electronic invoices

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

**In-app purchases:** none


### HJM

[App page](https://appshunter.io/ios/app/hjm/id1367547774)

Manage your smart radiator temperatures easily and quickly from your smartphone. Adjust settings remotely without needing to be at home.

**Highlights:** Remote temperature management, Smart radiator control, Easy and quick adjustments, Smartphone access, Schedule temperature changes

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

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is HJM free?

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

### Do i or HJM have ads?

Neither i nor HJM shows ads.

### Which is updated more often, i or HJM?

i ships an update every 3 weeks, and HJM every 3 months. Most recently, i was updated on October 23, 2026 and HJM on October 24, 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.*