# CalcApp vs TNC掌上办公

The clearest difference is in-app purchases: TNC掌上办公 at none against CalcApp's 2. TNC掌上办公 also leads on iOS requirement (12.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CalcApp sells 2 one-off in-app purchases. TNC掌上办公 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CalcApp | TNC掌上办公 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (19 ratings)](https://appshunter.io/ios/app/calcapp-simple-calculator/id1211638570/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 4 MB | 46 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [尉 张](https://appshunter.io/developer/1211638569) | [ShenZhen Technewchip Technology Co., Ltd](https://appshunter.io/developer/1779846077) |

## What reviewers say

### CalcApp

[App page](https://appshunter.io/ios/app/calcapp-simple-calculator/id1211638570)

This app combines basic arithmetic, scientific functions, programmer conversions, and unit conversions into a single, easy-to-use tool. It automatically saves all your calculations to a history log, ensuring you never lose important data.

**Highlights:** Basic Arithmetic, Scientific Calculator, Programmer Mode, Unit Converter, History Tracking

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | one-time |
| Annual Subscription | $1.99 | one-time |


### TNC掌上办公

[App page](https://appshunter.io/ios/app/tnc/id6738236850)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalcApp free?

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

### Is TNC掌上办公 free?

TNC掌上办公 is free to download, with no in-app purchases.

### Do CalcApp or TNC掌上办公 have ads?

Neither CalcApp nor TNC掌上办公 shows ads.

### Which is updated more often, CalcApp or TNC掌上办公?

CalcApp ships an update every 3 weeks, and TNC掌上办公 every 3 weeks. Most recently, CalcApp was updated on October 2, 2026 and TNC掌上办公 on October 7, 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.*