# SipherMail vs Tacitus Mail

The clearest difference is update cadence: SipherMail at every 5 days against Tacitus Mail's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SipherMail sells 6 in-app purchases, starting at $9.99 per month and Tacitus Mail sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

SipherMail ships an update every 5 days, Tacitus Mail monthly. The most recent releases landed on September 19, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | SipherMail | Tacitus Mail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Size | 57 MB | 7 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [THE TRISUN L.L.C-FZ](https://appshunter.io/developer/1879305779) | [Docs Printing SRL](https://appshunter.io/developer/1034316493) |

## What reviewers say

### SipherMail

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

**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 |


### Tacitus Mail

[App page](https://appshunter.io/ios/app/tacitus-mail/id6762024307)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $5.99 | per month |
| Unlimited account | $12.99 | per month |


## Frequently asked questions

### Is SipherMail free?

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

### Is Tacitus Mail free?

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

### Do SipherMail or Tacitus Mail have ads?

Neither SipherMail nor Tacitus Mail shows ads.

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

SipherMail ships an update every 5 days, and Tacitus Mail monthly. Most recently, SipherMail was updated on September 19, 2026 and Tacitus Mail on September 15, 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.*