Comparison

LambLock vs QR課題チェック

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

Head to head
About

LambLock

This app helps you regain control of your phone usage by blocking distracting applications. It offers a unique prompt system to curb impulsive scrolling and allows you to set limits on specific apps by time, day, or schedule. Gamified elements make the process engaging and rewarding.

Highlights
  • App blocking for problem apps
  • Customizable time and schedule limits
  • Deep-breath prompt for impulsive use
  • Gamified progress and rewards
  • Clean UI with animations
  • Reduces weekly screen time
Read full description

\DREAM SHEEP has been renamed to LambLock!/ 1,460 hours a year. That’s like working full-time for 9 months—on your phone. How much more of your life will go to scrolling? Ever say “just 5 minutes” on TikTok and end up losing an hour? Ever open X or Insta in the middle of work without even thinking? Ever stare at your phone before bed and then can’t sleep? LambLock is here to cut out that social media overkill, helping you rebuild your life on your own terms. (Research shows social media habits can wreck focus, sleep, mindfulness, and mental health.) We made this app because we’ve felt that struggle ourselves. ◆ What’s LambLock? An app blocker that stops you from doomscrolling—perfect before sleep or when you need laser focus. Tried quitting cold turkey? Digital detoxes? Kept slipping back? We calm that “must scroll” itch with a deep-breath prompt before app access. This game-changing trick stops overuse in its tracks. ◆ Why People Love It: 1. Clean UI & Lush Animations—crafted by gaming pros. 2. Attacks doomscrolling at its core, cutting up to 50% off weekly screen time in beta tests. 3. Target only your problem apps—limit by time, day, or schedule. Sleep better, focus harder, and even use it like a Pomodoro timer! 4. Gamified growth—level up characters, streak those goals. It’s fun and works. 5. Free start—anyone can hop in. ◆ User Raves: “My TikTok checks plunged from 30 times a day to 1!” “Weekly phone use down 50%—shocked!” “Way less SNS time—best digital wellness app!” “Free from social media stress!” ◆ Perfect For: - Anyone cutting screen time - Late-night scrollers with regrets - Focus, sleep, screen time, phone limit apps seekers - Distractibility/ADHD issues - Those wanting phone addiction help, self-control tools - Past social media/dopamine detoxers - Curious about dumb phones or minimalist launchers ◆ Try PRO Free Love it? Go PRO for 7 days free—more routines, Super Block, 20-min unblock sessions, and more. Share with a friend to stretch it to 30 days! Payments are via Apple. Renewals happen within 24 hours of period end. Kill auto-renew anytime in App Store settings. Unused trial time disappears at purchase. Privacy Policy: https://eggplant-gruyere-da7.notion.site/DREAM-SHEEP-Privacy-Policy-a32958b7598f427d9261a3332b5bab0f?pvs=4 Terms of Service: https://eggplant-gruyere-da7.notion.site/DREAM-SHEEP-Terms-of-Service-9954e5c37ec0478caf0e04079aaaed74?pvs=4

About

QR課題チェック

Features
Read full description

学校現場での課題チェックをデジタル化し、先生の校務負担を劇的に軽減するツールです。 QRコードの生成から、提出状況の記録まで、このアプリで完結します。 【準備・使い方】 ① クラスを作る → QRコードの生成 ② 生徒のワーク教材などにQRコードを貼る ③ 提出の際にそのQRコードを読み取る → 提出状況が瞬時に記録される 【本アプリの特徴】 ・生徒別に提出状況を確認できる ・課題ごとにクラス別で提出状況を確認できる ・名簿管理・編集: クラスごとの生徒名簿をアプリ内で簡単に管理。名前の変更や並べ替えも自由自在。 ・プライバシー配慮: データはデバイス内と、ユーザー自身が指定したスプレッドシートのみに保存。開発者がデータを収集することはありません。 ・応用機能:スプレッドシート連携が可能。Google Apps Script(GAS)を通じて、自分のスプレッドシートにリアルタイムでデータを同期。 【このアプリで解決できること】 ・提出された教材を番号順に並べ替える作業がなくなる ・課題チェックでいちいちエクセルを開いて入力する手間がなくなる ・自分専用のデジタル名簿を、使い慣れたスプレッドシートと連携させて運用したい

Screenshots

LambLock4 screens
QR課題チェック4 screens

Verdict

The call

The clearest difference is in-app purchases: QR課題チェック at none against LambLock's 15. QR課題チェック also leads on ads (none vs shown). LambLock's advantage is iOS requirement (16.0 vs 26.1). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. LambLock sells 11 in-app purchases, starting at $4.99 per month. QR課題チェック asks for nothing beyond the download.

UpkeepUpdate frequency

LambLock ships an update weekly, QR課題チェック every 5 days. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
LambLock versus QR課題チェック: the parameters behind the verdict, then further details
ParameterLambLockQR課題チェック
PriceFreeFree
Rating4.6 (11 ratings) — better—
Positive reviews74.1% of reviews—
Number of ratings11 — better—
Update frequencyWeeklyEvery 5 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS16.0 — better26.1
Further details — not scored
Size174 MB1 MB
Age rating4+4+
DeveloperKODO Inc.taihei yamazaki

In-app purchases

11 purchases

LambLock

Subscriptions11
  • Dream Sheep PRO (Lite)3 Days trial$4.991 Month
  • Dream Sheep PRO (1 Week)$4.997 Days
  • Dream Sheep PRO (Lite)3 Days trial2 variants$6.991 Month
Show 8 more
  • Dream Sheep PRO2 variants$19.991 Month
  • Dream Sheep PRO (Lite)7 Days trial$35.991 Year
  • PRO7 Days trial2 variants$39.991 Year
  • Dream Sheep PRO7 Days trial$39.991 Year
  • Dream Sheep PRO(Lite)7 Days trial$49.991 Year
  • Dream Sheep PRO7 Days trial2 variants$49.991 Year
  • PRO7 Days trial$79.991 Year
  • Dream Sheep PRO1 Month trial$79.991 Year
None

QR課題チェック

No in-app purchases

Questions

Is LambLock free?
LambLock is free to download, with in-app purchases available.
Is QR課題チェック free?
QR課題チェック is free to download, with no in-app purchases.
Do LambLock or QR課題チェック have ads?
LambLock shows ads; QR課題チェック does not.
Which is updated more often, LambLock or QR課題チェック?
LambLock ships an update weekly, and QR課題チェック every 5 days. Most recently, LambLock was updated on October 18, 2026 and QR課題チェック on October 7, 2026.

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