# e vs Hi OTP

The clearest difference is update cadence: Hi OTP at every 9 days against e's monthly. 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.

e ships an update monthly, Hi OTP every 9 days. Both last shipped on November 7, 2026.

## The numbers

| Metric | e | Hi OTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.1 (38 ratings)](https://appshunter.io/ios/app/e/id1488297209/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | — |
| Size | 79 MB | 18 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [병무청](https://appshunter.io/developer/496516779) | [UINS](https://appshunter.io/developer/541596301) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e/id1488297209)

This app provides a secure and convenient way to authenticate with government services using blockchain technology. It allows for easy issuance of electronic documents and access to various preferential services for military personnel.

**Highlights:** Blockchain-based simple authentication, Biometric login (fingerprint, FaceID, PIN), QR code and one-time password authentication, Convenient electronic document issuance, Access to preferential services (savings, mobile plans, discounts)

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

**In-app purchases:** none


### Hi OTP

[App page](https://appshunter.io/ios/app/hi-otp/id1554742001)

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

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is Hi OTP free?

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

### Do e or Hi OTP have ads?

Neither e nor Hi OTP shows ads.

### Which is updated more often, e or Hi OTP?

e ships an update monthly, and Hi OTP every 9 days. Most recently, e was updated on November 7, 2026 and Hi OTP on November 7, 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.*