# ProtectAd Plus vs QI Calculator

The clearest difference is update cadence: QI Calculator at every 3 weeks against ProtectAd Plus's every 10 months. ProtectAd Plus's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ProtectAd Plus sells 6 in-app purchases, starting at $10.49 per month and QI Calculator sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ProtectAd Plus ships an update every 10 months, QI Calculator every 3 weeks. The most recent releases landed on September 22, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | ProtectAd Plus | QI Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (8 ratings)](https://appshunter.io/ios/app/protectad-plus/id1503466580/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 69 MB | 129 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vu Van Phong](https://appshunter.io/developer/1497839313) | [shouhui qi](https://appshunter.io/developer/1185710456) |

## What reviewers say

### ProtectAd Plus

[App page](https://appshunter.io/ios/app/protectad-plus/id1503466580)

This app blocks all advertisements across the web within the Safari browser. It helps save battery life, reduce data usage, and improve page loading speeds. Enjoy a cleaner browsing experience with built-in privacy protection and anti-tracking features.

**Highlights:** Blocks video ads, Removes pop-ups and banners, Protects against redirects, Blocks YouTube ads in Safari, Saves battery life, Reduces data usage, Improves page loading speed, Built-in anti-tracking

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $10.49 | per month |
| 1 Month | $13.99 | per month |
| 1 Year | $16.99 | per year |
| 1 Year | $21.49 | per year |
| Life time | $22.99 | one-time |
| Lifetime | $25.99 | one-time |


### QI Calculator

[App page](https://appshunter.io/ios/app/qi-calculator/id6476379861)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Theme | $0.99 | one-time |
| Theme Blue Sky | $0.99 | one-time |


## Frequently asked questions

### Is ProtectAd Plus free?

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

### Is QI Calculator free?

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

### Do ProtectAd Plus or QI Calculator have ads?

Neither ProtectAd Plus nor QI Calculator shows ads.

### Which is updated more often, ProtectAd Plus or QI Calculator?

ProtectAd Plus ships an update every 10 months, and QI Calculator every 3 weeks. Most recently, ProtectAd Plus was updated on September 22, 2026 and QI Calculator on September 8, 2026.

---

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