# CalcTabs vs Tug Calc

The clearest difference is in-app purchases: CalcTabs at none against Tug Calc's 4. Tug Calc's advantage is ads (none vs shown) and update cadence (every 5 days vs every 37 months). On price and device support there is nothing between them.

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

CalcTabs ships an update every 37 months, Tug Calc every 5 days. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | CalcTabs | Tug Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 37 months | **Every 5 days** |
| Size | 30 MB | 54 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Black Flame Digital LTD](https://appshunter.io/developer/1574229330) | [嘉欣 胡](https://appshunter.io/developer/1640395440) |

## What reviewers say

### CalcTabs

[App page](https://appshunter.io/ios/app/calctabs/id6467405854)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is CalcTabs free?

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

### Is Tug Calc free?

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

### Do CalcTabs or Tug Calc have ads?

CalcTabs shows ads; Tug Calc does not.

### Which is updated more often, CalcTabs or Tug Calc?

CalcTabs ships an update every 37 months, and Tug Calc every 5 days. Most recently, CalcTabs was updated on October 24, 2026 and Tug Calc on October 13, 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.*