# SmartMariner vs 3 Day Blinds®

The clearest difference is rating: SmartMariner at 5.0 against 3 Day Blinds®'s 2.1. 3 Day Blinds®'s advantage is ratings volume (24 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SmartMariner holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: 3 Day Blinds® has 24 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 31, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | SmartMariner | 3 Day Blinds® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smartmariner/id6757733631/reviews)** | [2.1 (24 ratings)](https://appshunter.io/ios/app/3-day-blinds/id6759492901/reviews) |
| Number of ratings | 1 | **24** |
| Positive reviews | — | 8.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 50 MB | 52 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smart Mariner LLC](https://appshunter.io/developer/1868591809) | [3 Day Blinds](https://appshunter.io/developer/1530144589) |

## What reviewers say

### SmartMariner

[App page](https://appshunter.io/ios/app/smartmariner/id6757733631)

This app uses AI to help boat owners find solutions to common challenges, from information discovery to problem fixes. It also connects service providers with customers and serves as a marketplace for buying and selling boats.

**Highlights:** AI-driven problem solving for boat owners, Connects owners with service providers, Marketplace for buying and selling boats, Information discovery for boat ownership, Facilitates owner needs with professionals

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

**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 SmartMariner free?

SmartMariner 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.

### Which has better reviews, SmartMariner or 3 Day Blinds®?

SmartMariner is rated higher. SmartMariner averages 5.0 out of 5 from 1 ratings, while 3 Day Blinds® averages 2.1 from 24 ratings.

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

Neither SmartMariner nor 3 Day Blinds® shows ads.

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

SmartMariner ships an update monthly, and 3 Day Blinds® monthly. Most recently, SmartMariner was updated on October 31, 2026 and 3 Day Blinds® on November 9, 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.*