# Koza账本 vs Calculator H

The clearest difference is in-app purchases: Calculator H at none against Koza账本's 2. Calculator H also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.6). On price and ads there is nothing between them.

Both are free to download. Koza账本 sells 2 in-app purchases, starting at $1.99 per month. Calculator H asks for nothing beyond the download.

## The numbers

| Metric | Koza账本 | Calculator H |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (25 ratings)](https://appshunter.io/ios/app/calculator-h/id6760459201/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | — | Free |
| Size | 8 MB | 47 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [坤 左](https://appshunter.io/developer/1512899326) | [Chengdu Cold Technology Co., Ltd](https://appshunter.io/developer/1873882906) |

## What reviewers say

### Koza账本

[App page](https://appshunter.io/ios/app/koza/id6757230360)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $1.99 | per month |
| Annual Membership | $17.99 | per year |


### Calculator H

[App page](https://appshunter.io/ios/app/calculator-h/id6760459201)

This app offers a robust calculator with history and editable equations. It includes specialized calculators for mortgage calculations, interest rates, and currency conversions with real-time updates.

**Highlights:** Editable calculation history, Mortgage calculator (fixed, LPR, provident fund), Interest rate comparison, Currency converter with real-time rates, Save and compare mortgage data

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

**In-app purchases:** none


## Frequently asked questions

### Is Koza账本 free?

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

### Is Calculator H free?

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

### Do Koza账本 or Calculator H have ads?

Neither Koza账本 nor Calculator H shows ads.

---

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