NinjaLock vs L Message（エルメ）
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NinjaLock
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[NinjaLock Summary] This application provided by Linough Ltd. can be used for the “NinjaLock” smart lock device. Through the application, NinjaLock can be operated and its settings adjusted. [Preparations before use] To use the application, the smart lock device “NinjaLock” by Linough Ltd. is required. 【NinjaLock main features】 ▼Use your smartphone as a key！ By attaching NinjaLock to the inside of your door (the thumb turn part of your lock), your existing smartphone can replace your key. ▼Invite your friends！ By entering the telephone number of your friends on the “invitation” screen, you can transfer opening rights to other people. The opening rights can be set to specific time slots. ▼Various convenient features ! You can set various convenient features through the app, such as auto-lock function of the key after a specific time period, and the history of opening/closing.. [Price] Free [Note] This application requires Internet access. Please make sure to have a solid signal. Continued use of GPS running in the background can dramatically decrease battery life.
L Message（エルメ）
This app extends the functionality of your LINE official account, helping you attract customers, promote sales, and automate tasks. Manage 1:1 chats, customer information, booking, and payments directly from your device to boost sales and reduce costs.
- LINE official account extension
- Customer acquisition and promotion
- Automation for sales and cost reduction
- 1:1 chat management
- Customer data and status management
- Booking and event reservation
- Payment confirmation
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LINE公式アカウントの拡張ツール「L Message（エルメッセージ/エルメ）」の利用者専用アプリです。 エルメはLINEで集客、販促、自動化し、売上アップやコスト削減をサポートします。 1:1チャット、友だち情報・対応ステータス・タグの変更やフォーム回答、カレンダー予約、イベント予約、商品決済の内容を確認することができます。 無料会員登録はWEB版から行い、アプリにログインすることで操作可能です。
Screenshots
Verdict
The clearest difference is update cadence: L Message（エルメ） at every 2 weeks against NinjaLock's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
NinjaLock ships an update every 2 months, L Message（エルメ） every 2 weeks. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.
| Parameter | NinjaLock | L Message（エルメ） |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 28.2% of reviews |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 8 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Linough Inc. | 株式会社ミショナ |
In-app purchases
NinjaLock
No in-app purchases
L Message（エルメ）
No in-app purchases
