# Seneca Letters vs Pocket Marcus

The clearest difference is update cadence: Seneca Letters at weekly against Pocket Marcus's every 7 months. Pocket Marcus's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Seneca Letters sells 3 one-off in-app purchases and Pocket Marcus sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Seneca Letters ships an update weekly, Pocket Marcus every 7 months. The most recent releases landed on September 15, 2026 and June 7, 2026 respectively.

## The numbers

| Metric | Seneca Letters | Pocket Marcus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 37 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Volodymyr Starovoitenko](https://appshunter.io/developer/1642489207) | [Eelco Plugge](https://appshunter.io/developer/1826494041) |

## What reviewers say

### Seneca Letters

[App page](https://appshunter.io/ios/app/seneca-letters/id1661854159)

Explore the wisdom of ancient Stoicism with "Moral Letters to Lucilius." This offline app offers 124 letters from Seneca, providing guidance for a morally correct life. Save favorites and take notes with export functionality.

**Highlights:** 124 "Moral Letters to Lucilius", Primary source of Stoicism, Offline access, Minimalistic design, Favorites list, Note-taking with export

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Great support | $0.99 | one-time |
| Mega support | $3.99 | one-time |
| Super support | $8.99 | one-time |


### Pocket Marcus

[App page](https://appshunter.io/ios/app/pocket-marcus/id6748599823)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student of Stoicism | $2.99 | per month |
| Philosopher Companion | $3.99 | per month |


## Frequently asked questions

### Is Seneca Letters free?

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

### Is Pocket Marcus free?

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

### Do Seneca Letters or Pocket Marcus have ads?

Neither Seneca Letters nor Pocket Marcus shows ads.

### Which is updated more often, Seneca Letters or Pocket Marcus?

Seneca Letters ships an update weekly, and Pocket Marcus every 7 months. Most recently, Seneca Letters was updated on September 15, 2026 and Pocket Marcus on June 7, 2026.

---

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