# DotCounter vs KuCalc3

The clearest difference is in-app purchases: KuCalc3 at none against DotCounter's 1. KuCalc3 also leads on ads (none vs shown) and update cadence (daily vs every 4 months). On price and device support there is nothing between them.

Both are free to download. DotCounter sells 1 one-off in-app purchase. KuCalc3 asks for nothing beyond the download.

DotCounter ships an update every 4 months, KuCalc3 daily. The most recent releases landed on September 20, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | DotCounter | KuCalc3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Daily** |
| Size | 6 MB | 19 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Chisato Nakagawa](https://appshunter.io/developer/1595547747) | [Mineaki Sakatoku](https://appshunter.io/developer/1674976728) |

## What reviewers say

### DotCounter

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

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

**In-app purchases (1)**

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


### KuCalc3

[App page](https://appshunter.io/ios/app/kucalc3/id6805388550)

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

**In-app purchases:** none


## Frequently asked questions

### Is DotCounter free?

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

### Is KuCalc3 free?

KuCalc3 is free to download, with no in-app purchases.

### Do DotCounter or KuCalc3 have ads?

DotCounter shows ads; KuCalc3 does not.

### Which is updated more often, DotCounter or KuCalc3?

DotCounter ships an update every 4 months, and KuCalc3 daily. Most recently, DotCounter was updated on September 20, 2026 and KuCalc3 on September 5, 2026.

---

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