# Tug Calc vs 计算器

The clearest difference is in-app purchases: 计算器 at none against Tug Calc's 4. Tug Calc's advantage is device support (4 vs 1) and iOS requirement (13.0 vs 16.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Tug Calc sells 4 in-app purchases, starting at $0.99 per month. 计算器 asks for nothing beyond the download.

Tug Calc ships an update every 5 days, 计算器 every 4 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Tug Calc | 计算器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 54 MB | 2 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [嘉欣 胡](https://appshunter.io/developer/1640395440) | [勇 张](https://appshunter.io/developer/1520529338) |

## What reviewers say

### Tug Calc

[App page](https://appshunter.io/ios/app/tug-calc/id6744523761)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscriptions | $0.99 | per month |
| Quarterly Subscriptions | $0.99 | per 3 months |
| Annual Subscription | $2.99 | per year |
| Perpetual Subscription | $4.99 | one-time |


### 计算器

[App page](https://appshunter.io/ios/app/id6790255671)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tug Calc free?

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

### Is 计算器 free?

计算器 is free to download, with no in-app purchases.

### Do Tug Calc or 计算器 have ads?

Neither Tug Calc nor 计算器 shows ads.

### Which is updated more often, Tug Calc or 计算器?

Tug Calc ships an update every 5 days, and 计算器 every 4 days. Most recently, Tug Calc was updated on October 28, 2026 and 计算器 on October 31, 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.*