# SipherMail vs Island Mail

The clearest difference is update cadence: SipherMail at every 5 days against Island Mail's every 10 days. SipherMail also leads on iOS requirement (17.0 vs 26.5). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. SipherMail sells 6 in-app purchases, starting at $9.99 per month and Island Mail sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for SipherMail against 5.0 for Island Mail. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

SipherMail ships an update every 5 days, Island Mail every 10 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | SipherMail | Island Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/siphermail/id6759529180/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/island-mail/id6794529486/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 73 MB | 21 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [THE TRISUN L.L.C-FZ](https://appshunter.io/developer/1879305779) | [WiredIsle LLC](https://appshunter.io/developer/6794529488) |

## What reviewers say

### SipherMail

[App page](https://appshunter.io/ios/app/siphermail/id6759529180)

This secure email platform offers end-to-end encryption and AI-powered features like rewriting and summaries. It provides a modern, organized inbox experience with privacy controls and business account options.

**Highlights:** End-to-end encryption, AI email rewriting and summaries, Smart inbox organization, Remote image blocking, Business accounts, Multi-account support

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SipherMail Pro | $9.99 | per month |
| SipherMail Pro Yearly | $99.99 | per year |
| AI Credits – 100 | $5.99 | one-time |
| AI Credits – 500 | $19.99 | one-time |
| AI Credits – 2000 | $59.99 | one-time |
| AI Credits – 10000 | $249.99 | one-time |


### Island Mail

[App page](https://appshunter.io/ios/app/island-mail/id6794529486)

Manage your email efficiently with a fast, native mail app. Quickly triage your inbox with swipe gestures, compose rich text emails, and seamlessly share content to other apps or create notes and tasks. Customize themes and rules for a personalized experience.

**Highlights:** Swipe to triage emails, Paging swipe for quick reading, Rich text email composer, One-tap email to note/task/event, Customizable themes and rules, Unified inbox for multiple accounts, Private by design, no tracking or ads

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Share Suite | $14.99 | one-time |


## Frequently asked questions

### Is SipherMail free?

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

### Is Island Mail free?

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

### Which has better reviews, SipherMail or Island Mail?

SipherMail and Island Mail are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do SipherMail or Island Mail have ads?

Neither SipherMail nor Island Mail shows ads.

### Which is updated more often, SipherMail or Island Mail?

SipherMail ships an update every 5 days, and Island Mail every 10 days. Most recently, SipherMail was updated on October 28, 2026 and Island Mail on October 29, 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.*