# kong calculator vs DotCounter

The clearest difference is in-app purchases: kong calculator at none against DotCounter's 1. kong calculator also leads on update cadence (every 4 days vs every 3 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. DotCounter sells 1 one-off in-app purchase. kong calculator asks for nothing beyond the download.

kong calculator ships an update every 4 days, DotCounter every 3 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | kong calculator | DotCounter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Changyeol Seo](https://appshunter.io/developer/551904752) | [Chisato Nakagawa](https://appshunter.io/developer/1595547747) |

## What reviewers say

### kong calculator

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

**Features:** macOS Compatibility

**In-app purchases:** none


### DotCounter

[App page](https://appshunter.io/ios/app/dotcounter/id6479345506)

This flexible counter app allows you to customize increments, starting values, and units for each count. Set targets, add notes, and organize with tags. Personalize with colors and shapes, with an optional premium upgrade for widgets and an ad-free experience.

**Highlights:** Customizable increment/decrement values, Set initial and target values, Add custom units and notes, Organize counters with tags, Personalize with themes and shapes, Home screen widget (Premium)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free and feature unlock | $2.99 | one-time |


## Frequently asked questions

### Is kong calculator free?

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

### Is DotCounter free?

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

### Do kong calculator or DotCounter have ads?

Both kong calculator and DotCounter show ads.

### Which is updated more often, kong calculator or DotCounter?

kong calculator ships an update every 4 days, and DotCounter every 3 months. Most recently, kong calculator was updated on October 27, 2026 and DotCounter on October 30, 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.*