# PROZENTBUCH vs kaisin.

The clearest difference is ads: PROZENTBUCH at none against kaisin.'s shown. kaisin.'s advantage is update cadence (fortnightly vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PROZENTBUCH ships an update every 6 months, kaisin. fortnightly. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | PROZENTBUCH | kaisin. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/kaisin/id1566540829/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | — | Ad-supported |
| Size | 17 MB | 78 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [pro100 network schweiz ag](https://appshunter.io/developer/453754989) | [kaisin. AG](https://appshunter.io/developer/1566540831) |

## What reviewers say

### PROZENTBUCH

[App page](https://appshunter.io/ios/app/prozentbuch/id459690263)

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

**In-app purchases:** none


### kaisin.

[App page](https://appshunter.io/ios/app/kaisin/id1566540829)

Easily order fresh, nutrient-rich bowls for lunch or dinner. Customize your meal with high-quality ingredients, choose pickup or delivery, and enjoy rewards for your loyalty. Seamless payment options make ordering your favorites quick and convenient.

**Highlights:** Customizable bowls, Pickup and delivery options, Order history for quick reordering, Loyalty rewards program, Multiple payment methods, Nutrient-rich ingredients

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PROZENTBUCH free?

PROZENTBUCH is free to download, with no in-app purchases.

### Is kaisin. free?

kaisin. is free to download, with no in-app purchases.

### Do PROZENTBUCH or kaisin. have ads?

kaisin. shows ads; PROZENTBUCH does not.

### Which is updated more often, PROZENTBUCH or kaisin.?

PROZENTBUCH ships an update every 6 months, and kaisin. fortnightly. Most recently, PROZENTBUCH was updated on September 22, 2026 and kaisin. on September 13, 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.*