# kong calculator vs Smart Calc+

The clearest difference is ads: Smart Calc+ at none against kong calculator's shown. Smart Calc+ also leads on iOS requirement (13.4 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

kong calculator ships an update every 4 days, Smart Calc+ every 3 days. The most recent releases landed on October 27, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | kong calculator | Smart Calc+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 20 MB | 22 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Changyeol Seo](https://appshunter.io/developer/551904752) | [Rahman Usta](https://appshunter.io/developer/1750311538) |

## What reviewers say

### kong calculator

[App page](https://appshunter.io/ios/app/kong-calculator/id1594969449)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Calc+

[App page](https://appshunter.io/ios/app/smart-calc-plus/id6504203262)

**In-app purchases:** none


## Frequently asked questions

### Is kong calculator free?

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

### Is Smart Calc+ free?

Smart Calc+ is free to download, with no in-app purchases.

### Do kong calculator or Smart Calc+ have ads?

kong calculator shows ads; Smart Calc+ does not.

### Which is updated more often, kong calculator or Smart Calc+?

kong calculator ships an update every 4 days, and Smart Calc+ every 3 days. Most recently, kong calculator was updated on October 27, 2026 and Smart Calc+ on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*