# EV Battery Guide vs HotKey OTP

The clearest difference is in-app purchases: EV Battery Guide at none against HotKey OTP's 2. EV Battery Guide also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. HotKey OTP sells 2 in-app purchases, starting at $4.99 per month. EV Battery Guide asks for nothing beyond the download.

## The numbers

| Metric | EV Battery Guide | HotKey OTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hotkey-otp-2fa-authenticator/id6785986976/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 14 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [何南 李](https://appshunter.io/developer/1892230710) | [Hayk Bareghamyan](https://appshunter.io/developer/6785986978) |

## What reviewers say

### EV Battery Guide

[App page](https://appshunter.io/ios/app/ev-battery-guide/id6762098421)

**In-app purchases:** none


### HotKey OTP

[App page](https://appshunter.io/ios/app/hotkey-otp-2fa-authenticator/id6785986976)

This app securely generates and stores two-factor authentication codes for your accounts. It supports various import methods, offers offline functionality, and syncs across Apple devices via iCloud Keychain. Privacy is a core focus, with no tracking or ads.

**Highlights:** Generate TOTP and HOTP codes, Import from other authenticator apps, Steam Guard support, Organize accounts with folders and notes, Instant code copy with auto-clear, Widgets and AutoFill support, iCloud Keychain sync

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Lifetime Unlock | $14.99 | one-time |


## Frequently asked questions

### Is EV Battery Guide free?

EV Battery Guide is free to download, with no in-app purchases.

### Is HotKey OTP free?

HotKey OTP is free to download, with in-app purchases available.

### Do EV Battery Guide or HotKey OTP have ads?

Neither EV Battery Guide nor HotKey OTP shows ads.

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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.*