# Percent Calculator vs HTML Slide AI

The clearest difference is update cadence: Percent Calculator at every 6 days against HTML Slide AI's monthly. Percent Calculator also leads on iOS requirement (13.0 vs 15.6). 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, HTML Slide AI monthly. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Percent Calculator | HTML Slide AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Size | 7 MB | 61 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Julian Lau](https://appshunter.io/developer/1603050262) | [YUKI TANAIKE](https://appshunter.io/developer/478558546) |

## 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


### HTML Slide AI

[App page](https://appshunter.io/ios/app/html-slide-ai/id6790450898)

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

**In-app purchases:** none


## Frequently asked questions

### Is Percent Calculator free?

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

### Is HTML Slide AI free?

HTML Slide AI is free to download, with no in-app purchases.

### Do Percent Calculator or HTML Slide AI have ads?

Neither Percent Calculator nor HTML Slide AI shows ads.

### Which is updated more often, Percent Calculator or HTML Slide AI?

Percent Calculator ships an update every 6 days, and HTML Slide AI monthly. Most recently, Percent Calculator was updated on October 13, 2026 and HTML Slide AI on October 17, 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.*