# arDef vs Rotproof

The clearest difference is review sentiment: Rotproof at 100% against arDef's 0%. Rotproof also leads on rating (5.0 vs 4.5) and monetization model (ad-supported vs free with in-app purchases). arDef's advantage is ads (none vs shown) and ratings volume (23 vs 1). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. arDef sells 1 in-app purchase, starting at $9.99 per 7 days and Rotproof sells 5 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Rotproof holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: arDef has 23 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of arDef's written reviews are positive against 100% of Rotproof's.

arDef ships an update every 6 days, Rotproof every 5 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | arDef | Rotproof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (23 ratings)](https://appshunter.io/ios/app/ardef/id6742397203/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rotproof-screen-time-control/id6759876409/reviews)** |
| Number of ratings | **23** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 days | **Every 5 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 51 MB | 45 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ANALYTIC SERVICES LTD](https://appshunter.io/developer/1537074268) | [Eos Labs](https://appshunter.io/developer/1811824604) |

## What reviewers say

### arDef

[App page](https://appshunter.io/ios/app/ardef/id6742397203)

Transform your device into a powerful measuring tool using augmented reality. Accurately measure dimensions, angles, and distances directly through your camera. Ideal for professionals and DIY enthusiasts, it offers intuitive controls and the ability to save and share your measurements.

**Highlights:** Accurate length, height, and width measurements, Precise angle calculations, Seamless distance measurement, 3D space mapping of rooms, Intuitive and user-friendly interface, Save and share measurements

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $9.99 | per 7 days |


### Rotproof

[App page](https://appshunter.io/ios/app/rotproof-screen-time-control/id6759876409)

This app helps you manage screen time by locking distracting apps and rewarding you with "scroll time" for time spent away from your device. Earn battery to unlock feeds, with options for guilt-free scrolling and faster charging during focused activities.

**Highlights:** Locks distracting apps via Apple Screen Time, Earns "scroll battery" for time away from feeds, Unlock feeds with earned battery, Faster battery charging during focused sessions, Progress tracking for scroll habits, Live Activity countdown on lock screen

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rotproof Premium Weekly | $5.99 | per 7 days |
| Rotproof Premium Weekly | $7.99 | per 7 days |
| Rotproof Premium Yearly | $49.99 | per year |
| Rotproof Premium Yearly | $79.99 | per year |
| Rotproof Premium Yearly | $79.99 | per year |


## Frequently asked questions

### Is arDef free?

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

### Is Rotproof free?

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

### Which has better reviews, arDef or Rotproof?

Rotproof is rated higher. arDef averages 4.5 out of 5 from 23 ratings, while Rotproof averages 5.0 from 1 ratings.

### Do arDef or Rotproof have ads?

Rotproof shows ads; arDef does not.

### Which is updated more often, arDef or Rotproof?

arDef ships an update every 6 days, and Rotproof every 5 days. Most recently, arDef was updated on November 4, 2026 and Rotproof on October 31, 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.*