# One Time Password vs TAN EV Charging

The clearest difference is in-app purchases: TAN EV Charging at none against One Time Password's 3. TAN EV Charging also leads on update cadence (every 5 days vs every 118 months) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. One Time Password sells 3 in-app purchases, starting at $14.99 per year. TAN EV Charging asks for nothing beyond the download.

One Time Password ships an update every 118 months, TAN EV Charging every 5 days. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | One Time Password | TAN EV Charging |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/one-time-password-2fa-vault/id1150502006/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 118 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 62 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nattapon Kittisuphat](https://appshunter.io/developer/1112583260) | [Len Tan](https://appshunter.io/developer/1540234879) |

## What reviewers say

### One Time Password

[App page](https://appshunter.io/ios/app/one-time-password-2fa-vault/id1150502006)

This app provides a secure and simple way to store confidential login information for websites and email platforms. It utilizes Touch ID or a passcode for device owner validation, ensuring your data is protected.

**Highlights:** Securely stores login credentials, Uses Touch ID for validation, Passcode as an alternative to Touch ID, Simple and nice design, Protects confidential information

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Pro | $14.99 | per year |
| Remove Banner | $2.99 | one-time |
| Lifetime Pro | $29.99 | one-time |


### TAN EV Charging

[App page](https://appshunter.io/ios/app/tan-ev-charging/id6800825738)

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

**In-app purchases:** none


## Frequently asked questions

### Is One Time Password free?

One Time Password is free to download, with in-app purchases available.

### Is TAN EV Charging free?

TAN EV Charging is free to download, with no in-app purchases.

### Do One Time Password or TAN EV Charging have ads?

Neither One Time Password nor TAN EV Charging shows ads.

### Which is updated more often, One Time Password or TAN EV Charging?

One Time Password ships an update every 118 months, and TAN EV Charging every 5 days. Most recently, One Time Password was updated on October 9, 2026 and TAN EV Charging on October 10, 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.*