# RotStop vs MaiPDF

The clearest difference is in-app purchases: MaiPDF at none against RotStop's 2. MaiPDF also leads on rating (5.0 vs 4.8) and device support (3 vs 1). RotStop's advantage is update cadence (every 2 days vs every 3 weeks) and ratings volume (8 vs 1). On price and ads there is nothing between them.

Both are free to download. RotStop sells 2 in-app purchases, starting at $6.99 per 7 days. MaiPDF asks for nothing beyond the download.

MaiPDF holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: RotStop has 8 ratings behind it against 1, so its average is the more settled of the two.

RotStop ships an update every 2 days, MaiPDF every 3 weeks. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | RotStop | MaiPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (8 ratings)](https://appshunter.io/ios/app/rotstop-screen-time-blocker/id6758160146/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/maipdf-secure-pdf/id6782001233/reviews)** |
| Number of ratings | **8** | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Subscription | **Free** |
| Size | 54 MB | 35 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [API Media Inc.](https://appshunter.io/developer/1785442401) | [嘉峰 黄](https://appshunter.io/developer/6780922729) |

## What reviewers say

### RotStop

[App page](https://appshunter.io/ios/app/rotstop-screen-time-blocker/id6758160146)

This app helps you reclaim focus and improve productivity by gamifying screen time management. It uses a credit system where you earn points for offline activities to unlock distracting apps, encouraging healthier digital habits.

**Highlights:** Credit Economy for earning unlock time, Brain Score for mental clarity tracking, Gauntlet Unlock for mindful unblocking, App Shields for instant category blocking, Performance History reports, Avatar evolution based on habits

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited (1 Week) | $6.99 | per 7 days |
| Unlimited | $39.99 | per year |


### MaiPDF

[App page](https://appshunter.io/ios/app/maipdf-secure-pdf/id6782001233)

Securely share PDFs with full control over access, device usage, and expiry. Protect your documents with anti-screenshot features and traceable watermarks. Revoke access instantly to prevent leaks.

**Highlights:** Anti-screenshot protection, Traceable watermark, Device binding and limits, Access expiry, Recipient whitelisting, Instant revocation, Secure .maipdf format

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

**In-app purchases:** none


## Frequently asked questions

### Is RotStop free?

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

### Is MaiPDF free?

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

### Which has better reviews, RotStop or MaiPDF?

MaiPDF is rated higher. RotStop averages 4.8 out of 5 from 8 ratings, while MaiPDF averages 5.0 from 1 ratings.

### Do RotStop or MaiPDF have ads?

Neither RotStop nor MaiPDF shows ads.

### Which is updated more often, RotStop or MaiPDF?

RotStop ships an update every 2 days, and MaiPDF every 3 weeks. Most recently, RotStop was updated on October 18, 2026 and MaiPDF on October 12, 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.*