# CathRmdr vs 3 Day Blinds®

The clearest difference is update cadence: CathRmdr at every 4 days against 3 Day Blinds®'s monthly. 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.

CathRmdr ships an update every 4 days, 3 Day Blinds® monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | CathRmdr | 3 Day Blinds® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.2 (22 ratings)](https://appshunter.io/ios/app/3-day-blinds/id6759492901/reviews)** |
| Number of ratings | — | **22** |
| Positive reviews | — | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | — | Free |
| Size | 6 MB | 50 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Whittaker](https://appshunter.io/developer/1839803198) | [3 Day Blinds](https://appshunter.io/developer/1530144589) |

## What reviewers say

### CathRmdr

[App page](https://appshunter.io/ios/app/cathrmdr/id6752548778)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3 Day Blinds®

[App page](https://appshunter.io/ios/app/3-day-blinds/id6759492901)

Effortlessly control motorized window shades with a tap or schedule automated movements. Manage light and privacy throughout your home with custom scenes and timers, even remotely.

**Highlights:** Remote shade operation, Group shade control, Custom scene creation, Automated scheduling with timers, Sunrise/sunset based automation, Voice assistant integration (with bridge)

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

**In-app purchases:** none


## Frequently asked questions

### Is CathRmdr free?

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

### Is 3 Day Blinds® free?

3 Day Blinds® is free to download, with no in-app purchases.

### Do CathRmdr or 3 Day Blinds® have ads?

Neither CathRmdr nor 3 Day Blinds® shows ads.

### Which is updated more often, CathRmdr or 3 Day Blinds®?

CathRmdr ships an update every 4 days, and 3 Day Blinds® monthly. Most recently, CathRmdr was updated on October 25, 2026 and 3 Day Blinds® on October 25, 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.*