# Percent Calculator vs ThreeNote

The clearest difference is update cadence: ThreeNote at daily against Percent Calculator's every 6 days. Percent Calculator's advantage is iOS requirement (13.0 vs 16.6). On price, ads, 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.

Percent Calculator ships an update every 6 days, ThreeNote daily. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Percent Calculator | ThreeNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Daily** |
| Size | 7 MB | 1 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Julian Lau](https://appshunter.io/developer/1603050262) | [Jouni Erola](https://appshunter.io/developer/295758397) |

## What reviewers say

### Percent Calculator

[App page](https://appshunter.io/ios/app/percent-calculator/id6449375165)

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

**In-app purchases:** none


### ThreeNote

[App page](https://appshunter.io/ios/app/threenote/id6736774101)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Percent Calculator free?

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

### Is ThreeNote free?

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

### Do Percent Calculator or ThreeNote have ads?

Neither Percent Calculator nor ThreeNote shows ads.

### Which is updated more often, Percent Calculator or ThreeNote?

Percent Calculator ships an update every 6 days, and ThreeNote daily. Most recently, Percent Calculator was updated on October 13, 2026 and ThreeNote on October 18, 2026.

---

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