# zeronest vs Columbus

The clearest difference is iOS requirement: Columbus at 13.4 against zeronest's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

zeronest ships an update every 9 days, Columbus weekly. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | zeronest | Columbus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | — | Free |
| Size | 46 MB | 23 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Zeronest sp. z o.o.](https://appshunter.io/developer/1746515709) | [Columbus Energy S. A.](https://appshunter.io/developer/1633029471) |

## What reviewers say

### zeronest

[App page](https://appshunter.io/ios/app/zeronest/id6502703498)

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

**In-app purchases:** none


### Columbus

[App page](https://appshunter.io/ios/app/columbus/id6670396779)

This app helps you manage and optimize your home's energy consumption. It uses AI to predict usage, adapt to dynamic market prices, and suggest efficient solutions to lower your energy bills.

**Highlights:** Energy consumption management, Cost monitoring, Dynamic pricing adaptation, AI-powered usage prediction, Device efficiency optimization, Energy bill reduction

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is zeronest free?

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

### Is Columbus free?

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

### Do zeronest or Columbus have ads?

Neither zeronest nor Columbus shows ads.

### Which is updated more often, zeronest or Columbus?

zeronest ships an update every 9 days, and Columbus weekly. Most recently, zeronest was updated on October 8, 2026 and Columbus on October 14, 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.*