# kong calculator vs Average Variable Cost

The clearest difference is ads: Average Variable Cost at none against kong calculator's shown. Average Variable Cost also leads on iOS requirement (13.0 vs 15.0). kong calculator's advantage is update cadence (every 4 days vs every 3 weeks). On price, 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, Average Variable Cost every 3 weeks. The most recent releases landed on June 5, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | kong calculator | Average Variable Cost |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 20 MB | 41 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Changyeol Seo](https://appshunter.io/developer/551904752) | [STAGE CODING, Travnik](https://appshunter.io/developer/1637068135) |

## What reviewers say

### kong calculator

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Average Variable Cost

[App page](https://appshunter.io/ios/app/average-variable-cost/id1618659899)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is kong calculator free?

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

### Is Average Variable Cost free?

Average Variable Cost is free to download, with no in-app purchases.

### Do kong calculator or Average Variable Cost have ads?

kong calculator shows ads; Average Variable Cost does not.

### Which is updated more often, kong calculator or Average Variable Cost?

kong calculator ships an update every 4 days, and Average Variable Cost every 3 weeks. Most recently, kong calculator was updated on June 5, 2026 and Average Variable Cost on May 15, 2026.

---

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