# ShieldMail vs Sumikaru

ShieldMail and Sumikaru are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. ShieldMail sells 1 in-app purchase, starting at $0.99 per month and Sumikaru sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | ShieldMail | Sumikaru |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 1 MB | 47 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [kyeongju Moon](https://appshunter.io/developer/1878913458) | [Yushin Shimizu](https://appshunter.io/developer/6804118206) |

## What reviewers say

### ShieldMail

[App page](https://appshunter.io/ios/app/shieldmail/id6762242043)

**Features:** macOS Compatibility, Safari Extension

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShieldMail Pro | $0.99 | per month |


### Sumikaru

[App page](https://appshunter.io/ios/app/sumikaru/id6804118204)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sumikaru Pro（月額） | $1.99 | per month |
| Sumikaru Pro（年額） | $19.99 | per year |


## Frequently asked questions

### Is ShieldMail free?

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

### Is Sumikaru free?

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

### Do ShieldMail or Sumikaru have ads?

Neither ShieldMail nor Sumikaru 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.*