# Energy One vs Caliber

The clearest difference is update cadence: Caliber at every 5 days against Energy One's every 4 months. Energy One's advantage is iOS requirement (14.0 vs 16.0). 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.

Energy One ships an update every 4 months, Caliber every 5 days. Both last shipped on October 14, 2026.

## The numbers

| Metric | Energy One | Caliber |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 95 MB | 74 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Nayax Ltd.](https://appshunter.io/developer/397769015) | [Gilad Opher](https://appshunter.io/developer/6801741033) |

## What reviewers say

### Energy One

[App page](https://appshunter.io/ios/app/energy-one/id6476103125)

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

**In-app purchases:** none


### Caliber

[App page](https://appshunter.io/ios/app/caliber/id6801741031)

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

**In-app purchases:** none


## Frequently asked questions

### Is Energy One free?

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

### Is Caliber free?

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

### Do Energy One or Caliber have ads?

Neither Energy One nor Caliber shows ads.

### Which is updated more often, Energy One or Caliber?

Energy One ships an update every 4 months, and Caliber every 5 days. Most recently, Energy One was updated on October 14, 2026 and Caliber 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.*