# Qrio Lock vs Mikan Days

The clearest difference is update cadence: Mikan Days at every 2 weeks against Qrio Lock's every 6 weeks. Qrio Lock's advantage is iOS requirement (14.0 vs 17.0). 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.

Qrio Lock ships an update every 6 weeks, Mikan Days every 2 weeks. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Qrio Lock | Mikan Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/qrio-lock/id1392268920/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 12.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 104 MB | 26 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Sony Network Communications Inc.](https://appshunter.io/developer/387313861) | [Shojum](https://appshunter.io/developer/6812205791) |

## What reviewers say

### Qrio Lock

[App page](https://appshunter.io/ios/app/qrio-lock/id1392268920)

This smart lock offers hands-free unlocking by automatically detecting your approach. It also features auto-locking when the door is closed and allows for easy key sharing with family and friends. Remote operation and notifications are available with an optional hub.

**Highlights:** Hands-free unlocking, Auto lock, Easy key sharing, No installation required, Remote operation with hub, Notifications

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Mikan Days

[App page](https://appshunter.io/ios/app/mikan-days-countdown-and-dates/id6812205789)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Qrio Lock free?

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

### Is Mikan Days free?

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

### Do Qrio Lock or Mikan Days have ads?

Neither Qrio Lock nor Mikan Days shows ads.

### Which is updated more often, Qrio Lock or Mikan Days?

Qrio Lock ships an update every 6 weeks, and Mikan Days every 2 weeks. Most recently, Qrio Lock was updated on November 11, 2026 and Mikan Days on November 10, 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.*