Comparison

NinjaLock vs Smart Hello

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

NinjaLock

Features
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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.

About

Smart Hello

Receive facility announcements via push notifications, manage reservations, and display your membership card. Check your application details on your personal page.

Highlights
  • Push notifications for announcements
  • In-app reservation management
  • Digital membership card
  • Personal information viewing
  • Cancel reservations
Features
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【Smart Helloの主な機能】 ■お知らせ機能 施設からのお知らせをプッシュ通知でお知らせします。 ■予約機能 予約が必要な施設様の場合はアプリからご自身で予約の登録・キャンセルを行なっていただくことができます。 ■会員証機能 施設様へご来場するために必要な会員証をアプリ上で表示します。 ■マイページ機能 ご自身の申込情報をご確認いただけます。

Screenshots

NinjaLock4 screens
Smart Hello4 screens

Verdict

The call

NinjaLock and Smart Hello are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.

ScorecardNo meaningful differences
NinjaLock versus Smart Hello: the parameters behind the verdict, then further details
ParameterNinjaLockSmart Hello
PriceFreeFree
Positive reviews—10.0% of reviews
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size8 MB43 MB
Age rating4+4+
DeveloperLinough Inc.株式会社システム ディ

In-app purchases

None

NinjaLock

No in-app purchases

None

Smart Hello

No in-app purchases

Questions

Is NinjaLock free?
NinjaLock is free to download, with no in-app purchases.
Is Smart Hello free?
Smart Hello is free to download, with no in-app purchases.
Do NinjaLock or Smart Hello have ads?
Neither NinjaLock nor Smart Hello shows ads.
Which is updated more often, NinjaLock or Smart Hello?
NinjaLock ships an update every 2 months, and Smart Hello every 2 months. Most recently, NinjaLock was updated on September 19, 2026 and Smart Hello on September 21, 2026.

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