# airEkey vs NaruTango

The clearest difference is in-app purchases: airEkey at none against NaruTango's 6. NaruTango's advantage is update cadence (every 2 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. airEkey asks for nothing beyond the download.

airEkey ships an update every 2 months, NaruTango every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | airEkey | NaruTango |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/airekey/id1533612995/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 42 MB | 642 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Myhand Industrial Co., Ltd.](https://appshunter.io/developer/1133801007) | [Guangzhou Youtu Information Technology Co., Ltd.](https://appshunter.io/developer/1523128639) |

## What reviewers say

### airEkey

[App page](https://appshunter.io/ios/app/airekey/id1533612995)

Control and manage smart locks remotely. Bind your smart lock, add gateways, and manage access cards. Open locks via Bluetooth, Zigbee, card, or internet.

**Highlights:** Bind welock devices, Add BLE and ZigBee gateways, Manage access cards, Remote device management, Open lock via multiple methods

**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 airEkey free?

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

### Is NaruTango free?

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

### Do airEkey or NaruTango have ads?

Neither airEkey nor NaruTango shows ads.

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

airEkey ships an update every 2 months, and NaruTango every 2 weeks. Most recently, airEkey was updated on November 3, 2026 and NaruTango on November 4, 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.*