# Calculator vs XH Logger

The clearest difference is in-app purchases: XH Logger at none against Calculator's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calculator sells 2 one-off in-app purchases. XH Logger asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Calculator | XH Logger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calculator-currency-unit/id1583572133/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 112 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hua-shan cheng](https://appshunter.io/developer/1019388170) | [Brainchild Electronic Co., Ltd.](https://appshunter.io/developer/1097011589) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-currency-unit/id1583572133)

This versatile tool combines a scientific calculator with currency and unit conversion capabilities. It offers a history manager, full editing options, and an intuitive interface for school, work, and daily tasks. Supports offline currency conversion.

**Highlights:** Scientific calculator functions, Currency converter with 37 currencies, Unit converter with 181 units, History manager for calculations, Offline currency conversion, Full editing options (undo/redo)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock iPad Landscape | $0.99 | one-time |
| Unlock History | $0.99 | one-time |


### XH Logger

[App page](https://appshunter.io/ios/app/xh-logger/id1637320863)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

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

### Is XH Logger free?

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

### Do Calculator or XH Logger have ads?

Neither Calculator nor XH Logger shows ads.

### Which is updated more often, Calculator or XH Logger?

Calculator ships an update every 3 weeks, and XH Logger every 3 weeks. Most recently, Calculator was updated on November 3, 2026 and XH Logger on November 3, 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.*