# Prezlock vs NaruTango

The clearest difference is review sentiment: NaruTango at 100% against Prezlock's 14%. NaruTango also leads on update cadence (every 2 weeks vs every 9 months). Prezlock's advantage is in-app purchases (none vs 6). 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. Prezlock asks for nothing beyond the download.

Prezlock ships an update every 9 months, NaruTango every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Prezlock | NaruTango |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (8 ratings)](https://appshunter.io/ios/app/prezlock/id6446069971/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 14.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 51 MB | 642 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Innova Ideas Ltd](https://appshunter.io/developer/1445396191) | [Guangzhou Youtu Information Technology Co., Ltd.](https://appshunter.io/developer/1523128639) |

## What reviewers say

### Prezlock

[App page](https://appshunter.io/ios/app/prezlock/id6446069971)

Control and manage Bluetooth-enabled locks directly from your smartphone, eliminating the need for physical keys. Securely lock, unlock, and share access with friends and family, while tracking usage history and battery levels.

**Highlights:** Keyless locking and unlocking via smartphone, Manage multiple locks individually, Share and revoke access with time limits, Track GPS location and usage history, Monitor lock battery levels, High-level encryption for security

**Features:** macOS Compatibility, Apple Watch app, 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 Prezlock free?

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

### Is NaruTango free?

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

### Do Prezlock or NaruTango have ads?

Neither Prezlock nor NaruTango shows ads.

### Which is updated more often, Prezlock or NaruTango?

Prezlock ships an update every 9 months, and NaruTango every 2 weeks. Most recently, Prezlock was updated on October 24, 2026 and NaruTango on October 24, 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.*