# INISAFE Mail vs HMTS 스마트인증

The clearest difference is iOS requirement: HMTS 스마트인증 at 9.0 against INISAFE Mail's 11.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 28, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | INISAFE Mail | HMTS 스마트인증 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/inisafe-mail/id447572293/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | — |
| Size | 6 MB | 37 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [INITECH INC.](https://appshunter.io/developer/447572296) | [KOREAEXPERT](https://appshunter.io/developer/1161606505) |

## What reviewers say

### INISAFE Mail

[App page](https://appshunter.io/ios/app/inisafe-mail/id447572293)

This program allows users to view secure emails on their smartphones. It is designed for secure mail viewing on mobile devices.

**Highlights:** Secure email viewing, Mobile access to secure mail, Smartphone compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### HMTS 스마트인증

[App page](https://appshunter.io/ios/app/hmts/id1491133488)

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

**In-app purchases:** none


## Frequently asked questions

### Is INISAFE Mail free?

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

### Is HMTS 스마트인증 free?

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

### Do INISAFE Mail or HMTS 스마트인증 have ads?

Neither INISAFE Mail nor HMTS 스마트인증 shows ads.

### Which is updated more often, INISAFE Mail or HMTS 스마트인증?

INISAFE Mail ships an update every 4 months, and HMTS 스마트인증 every 4 months. Most recently, INISAFE Mail was updated on September 28, 2026 and HMTS 스마트인증 on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*