# Sinum vs MelPump

Sinum and MelPump are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Sinum ships an update every 3 weeks, MelPump every 2 weeks. The most recent releases landed on September 9, 2026 and August 5, 2026 respectively.

## The numbers

| Metric | Sinum | MelPump |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 90 MB | 34 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TECH Sterowniki](https://appshunter.io/developer/1155426726) | [ARTUR RYCHCIK](https://appshunter.io/developer/1834098813) |

## What reviewers say

### Sinum

[App page](https://appshunter.io/ios/app/sinum/id1598099137)

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

**In-app purchases:** none


### MelPump

[App page](https://appshunter.io/ios/app/melpump/id6751225195)

This application helps you optimize your heat pump settings to save money. It currently supports several Mitsubishi and Planet Devices models, with more features detailed on the developer's website.

**Highlights:** Heat pump setting optimization, Money saving features, Mitsubishi Ecodan support, Mitsubishi Zubadan support, Mitsubishi Geodan support, Planet Devices support

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

**In-app purchases:** none


## Frequently asked questions

### Is Sinum free?

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

### Is MelPump free?

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

### Do Sinum or MelPump have ads?

Neither Sinum nor MelPump shows ads.

### Which is updated more often, Sinum or MelPump?

Sinum ships an update every 3 weeks, and MelPump every 2 weeks. Most recently, Sinum was updated on September 9, 2026 and MelPump on August 5, 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.*