# Electric Cost Calculator vs nAuth

The clearest difference is ads: nAuth at none against Electric Cost Calculator's shown. nAuth also leads on iOS requirement (15.1 vs 18.0). Electric Cost Calculator's advantage is update cadence (every 4 days vs fortnightly). On price, 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.

Electric Cost Calculator ships an update every 4 days, nAuth fortnightly. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Electric Cost Calculator | nAuth |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Fortnightly |
| Size | 6 MB | 34 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mireia Lluch Ortola](https://appshunter.io/developer/1003230042) | [Nanostuffs](https://appshunter.io/developer/435673328) |

## What reviewers say

### Electric Cost Calculator

[App page](https://appshunter.io/ios/app/electric-cost-calculator/id6747753584)

**Features:** macOS Compatibility

**In-app purchases:** none


### nAuth

[App page](https://appshunter.io/ios/app/nauth-2fa-authenticator-app/id6751160503)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electric Cost Calculator free?

Electric Cost Calculator is free to download, with no in-app purchases.

### Is nAuth free?

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

### Do Electric Cost Calculator or nAuth have ads?

Electric Cost Calculator shows ads; nAuth does not.

### Which is updated more often, Electric Cost Calculator or nAuth?

Electric Cost Calculator ships an update every 4 days, and nAuth fortnightly. Most recently, Electric Cost Calculator was updated on October 25, 2026 and nAuth on October 6, 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.*