# Calculator vs TNC掌上办公

The clearest difference is in-app purchases: TNC掌上办公 at none against Calculator's 3. TNC掌上办公 also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calculator sells 3 in-app purchases, starting at $0.99 per month. TNC掌上办公 asks for nothing beyond the download.

Calculator ships an update fortnightly, TNC掌上办公 every 3 weeks. The most recent releases landed on September 27, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Calculator | TNC掌上办公 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 7 MB | 46 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳宝乐软件有限公司](https://appshunter.io/developer/1773102040) | [ShenZhen Technewchip Technology Co., Ltd](https://appshunter.io/developer/1779846077) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-edit-equations/id6443911558)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月 | $0.99 | per month |
| 1 年 | $1.99 | per year |
| 终身会员 | $2.99 | 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 Calculator free?

Calculator 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 Calculator or TNC掌上办公 have ads?

Neither Calculator nor TNC掌上办公 shows ads.

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

Calculator ships an update fortnightly, and TNC掌上办公 every 3 weeks. Most recently, Calculator was updated on September 27, 2026 and TNC掌上办公 on September 20, 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.*