# Cloud Smart Lock App vs NaruTango

The clearest difference is in-app purchases: Cloud Smart Lock App at none against NaruTango's 6. NaruTango's advantage is review sentiment (100% vs 75%) and update cadence (every 4 weeks vs every 2 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. NaruTango sells 6 one-off in-app purchases. Cloud Smart Lock App asks for nothing beyond the download.

Cloud Smart Lock App ships an update every 2 months, NaruTango every 4 weeks. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Cloud Smart Lock App | NaruTango |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 33 MB | 608 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [明毅 龚](https://appshunter.io/developer/1461728481) | [Guangzhou Youtu Information Technology Co., Ltd.](https://appshunter.io/developer/1523128639) |

## What reviewers say

### Cloud Smart Lock App

[App page](https://appshunter.io/ios/app/cloud-smart-lock-app/id1461728482)

Manage and operate your smart door lock from the cloud. Features include one-key unlocking, sharing access via QR codes, and automatic unlocking. View lock status and access unlock history.

**Highlights:** Add and manage door locks, One-key unlocking, QR code sharing for access, Automatic unlocking, View lock status, Unlock history records

**Features:** Vision Pro support

**In-app purchases:** none


### NaruTango

[App page](https://appshunter.io/ios/app/narutango-learn-jlpt-words/id6742486695)

This app helps you memorize Japanese vocabulary for the JLPT exams (N1-N5) using flashcards. It offers pronunciation, customizable learning modes, and supports multiple devices for a seamless study experience.

**Highlights:** JLPT N1-N5 vocabulary lists, Flashcard learning with customizable display, High-quality real-person pronunciation, Gojūon (kana) learning, Cross-device data sharing

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JLPT N1 Word List | $6.99 | one-time |
| JLPT N3 Word List | $6.99 | one-time |
| JLPT N2 Word List | $6.99 | one-time |
| Kaoyan Word List | $8.99 | one-time |
| JLPT Word Lists | $14.99 | one-time |
| NaruTango Pro | $24.99 | one-time |


## Frequently asked questions

### Is Cloud Smart Lock App free?

Cloud Smart Lock App is free to download, with no in-app purchases.

### Is NaruTango free?

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

### Do Cloud Smart Lock App or NaruTango have ads?

Neither Cloud Smart Lock App nor NaruTango shows ads.

### Which is updated more often, Cloud Smart Lock App or NaruTango?

Cloud Smart Lock App ships an update every 2 months, and NaruTango every 4 weeks. Most recently, Cloud Smart Lock App was updated on September 15, 2026 and NaruTango on September 14, 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.*