# Ämtlee vs Estratum

The clearest difference is update cadence: Estratum at daily against Ämtlee's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Ämtlee sells 7 in-app purchases, starting at $0.49 per month and Estratum sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Ämtlee ships an update every 6 weeks, Estratum daily. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Ämtlee | Estratum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Size | 5 MB | 28 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stream-Team GmbH](https://appshunter.io/developer/1879568778) | [LyXeoN](https://appshunter.io/developer/566849105) |

## What reviewers say

### Ämtlee

[App page](https://appshunter.io/ios/app/amtlee/id6759787559)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 household, monthly | $0.49 | per month |
| 3 households, monthly | $0.99 | per month |
| 1 household, yearly | $5.99 | per year |
| 3 households, yearly | $9.99 | per year |
| 5 households, yearly | $14.99 | per year |
| 10 households, yearly | $22.99 | per year |
| 25 households, yearly | $49.99 | per year |


### Estratum

[App page](https://appshunter.io/ios/app/estratum-second-brain/id6795179990)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Estratum Pro — Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Ämtlee free?

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

### Is Estratum free?

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

### Do Ämtlee or Estratum have ads?

Neither Ämtlee nor Estratum shows ads.

### Which is updated more often, Ämtlee or Estratum?

Ämtlee ships an update every 6 weeks, and Estratum daily. Most recently, Ämtlee was updated on October 15, 2026 and Estratum on October 1, 2026.

---

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