# INISAFE Mail vs Leftover Note

The clearest difference is iOS requirement: INISAFE Mail at 11.0 against Leftover Note's 17.0. 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 June 5, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | INISAFE Mail | Leftover Note |
| --- | --- | --- |
| 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 | 9 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [INITECH INC.](https://appshunter.io/developer/447572296) | [WOOSEOK LEE](https://appshunter.io/developer/1842131578) |

## 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


### Leftover Note

[App page](https://appshunter.io/ios/app/leftover-note/id6753012969)

**In-app purchases:** none


## Frequently asked questions

### Is INISAFE Mail free?

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

### Is Leftover Note free?

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

### Do INISAFE Mail or Leftover Note have ads?

Neither INISAFE Mail nor Leftover Note shows ads.

### Which is updated more often, INISAFE Mail or Leftover Note?

INISAFE Mail ships an update every 4 months, and Leftover Note every 4 months. Most recently, INISAFE Mail was updated on June 5, 2026 and Leftover Note on September 21, 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.*