# Zettelheld vs Kairoscope

The clearest difference is update cadence: Kairoscope at every 10 days against Zettelheld's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Zettelheld sells 1 in-app purchase, starting at $1.99 per month and Kairoscope sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Zettelheld ships an update every 2 months, Kairoscope every 10 days. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Zettelheld | Kairoscope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zettelheld/id6762369629/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Freemium | — |
| Size | 65 MB | 68 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Christoph Pieper](https://appshunter.io/developer/1244669556) | [Yevhen Orestov](https://appshunter.io/developer/6789844536) |

## What reviewers say

### Zettelheld

[App page](https://appshunter.io/ios/app/zettelheld/id6762369629)

Organize and send your receipts and documents easily. Capture paper receipts with your camera, import digital ones, and categorize them with custom labels. Bundle labeled items into ZIP files for convenient sharing.

**Highlights:** Collect mail receipts locally, Scan paper receipts with camera, Label receipts for organization, Export bundled receipts as ZIP, Automatic mail import (Pro), Background sync (Pro)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zettelheld Pro Monthly | $1.99 | per month |


### Kairoscope

[App page](https://appshunter.io/ios/app/kairoscope-day-planner/id6789844534)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Місяць | $2.99 | per month |
| Рік | $14.99 | per year |


## Frequently asked questions

### Is Zettelheld free?

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

### Is Kairoscope free?

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

### Do Zettelheld or Kairoscope have ads?

Neither Zettelheld nor Kairoscope shows ads.

### Which is updated more often, Zettelheld or Kairoscope?

Zettelheld ships an update every 2 months, and Kairoscope every 10 days. Most recently, Zettelheld was updated on October 8, 2026 and Kairoscope on October 12, 2026.

---

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