# Maxem vs Kiwatt

The clearest difference is update cadence: Maxem at fortnightly against Kiwatt's every 4 months. Maxem also leads on iOS requirement (13.4 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Maxem ships an update fortnightly, Kiwatt every 4 months. The most recent releases landed on September 13, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Maxem | Kiwatt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Size | 15 MB | 40 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maxem Energy Solutions B.V](https://appshunter.io/developer/1240232203) | [Kiwatt B.V.](https://appshunter.io/developer/1593152560) |

## What reviewers say

### Maxem

[App page](https://appshunter.io/ios/app/maxem/id1265072150)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kiwatt

[App page](https://appshunter.io/ios/app/kiwatt/id6444059799)

**In-app purchases:** none


## Frequently asked questions

### Is Maxem free?

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

### Is Kiwatt free?

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

### Do Maxem or Kiwatt have ads?

Neither Maxem nor Kiwatt shows ads.

### Which is updated more often, Maxem or Kiwatt?

Maxem ships an update fortnightly, and Kiwatt every 4 months. Most recently, Maxem was updated on September 13, 2026 and Kiwatt on September 19, 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.*