# Cassette Memo vs Calculator H

The clearest difference is in-app purchases: Cassette Memo at none against Calculator H's 6. Calculator H's advantage is update cadence (weekly vs every 6 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Calculator H sells 4 in-app purchases, starting at $2.99 per year. Cassette Memo asks for nothing beyond the download.

Cassette Memo ships an update every 6 weeks, Calculator H weekly. Both last shipped on November 5, 2026.

## The numbers

| Metric | Cassette Memo | Calculator H |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (28 ratings)](https://appshunter.io/ios/app/calculator-h/id6760459201/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 61 MB |
| Requires iOS | 26.2 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Krzysztof Dabrowski](https://appshunter.io/developer/999773197) | [Chengdu Cold Technology Co., Ltd](https://appshunter.io/developer/1873882906) |

## What reviewers say

### Cassette Memo

[App page](https://appshunter.io/ios/app/cassette-memo/id6759976263)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator H

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

This app offers a robust calculator with history and editable formulas for everyday math. It also includes specialized financial tools like a mortgage calculator with comparison features and a real-time currency converter.

**Highlights:** Calculation history, Editable formulas, Mortgage calculation & comparison, Real-time currency exchange rates, Financial tools

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一年会员 | $2.99 | per year |
| 打赏 | $0.99 | one-time |
| 打赏 | $1.99 | one-time |
| 计算器 - 永久无广告 | $4.99 | one-time |


## Frequently asked questions

### Is Cassette Memo free?

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

### Is Calculator H free?

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

### Do Cassette Memo or Calculator H have ads?

Neither Cassette Memo nor Calculator H shows ads.

### Which is updated more often, Cassette Memo or Calculator H?

Cassette Memo ships an update every 6 weeks, and Calculator H weekly. Most recently, Cassette Memo was updated on November 5, 2026 and Calculator H on November 5, 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.*