Comparison

Scanner Air vs 勉強タイマー

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

Head to head
About

Scanner Air

Transform your phone into a powerful document scanner. Easily digitize, edit, sign, and share PDFs, IDs, and receipts from anywhere. Organize and convert files with advanced OCR and smart file management.

Highlights
  • Fast document scanning
  • Scan to PDF & convert
  • Edit and sign documents
  • Smart file management
  • On-the-go sharing & printing
  • OCR text extraction
Features
Read full description

Transform your smartphone into a document scanner and a mobile office. Easily scan, sign, edit, and convert documents from anywhere—whether you're at home, in the office, or on the move. Enjoy the convenience of digitizing and sharing files with just a few taps. Say goodbye to bulky scanners and embrace simplicity. Key Features: Fast Document Scanner Use the document scanner to scan anything—contracts, receipts, notes, or IDs. Works as an ID scanner, receipt scanner, and even a business card scanner to keep your paperwork digital and organized. Scan to PDF & Convert to PDF Instantly convert or scan in high resolution. Whether it’s photos to PDF, JPG to PDF, or an image to text conversion, get professional-quality scans in seconds. Edit Documents with Ease Use the built-in document editor to edit documents, crop, rotate, and enhance scans before sharing. Perfect for contracts, notes, or any other paperwork. Sign & Send with eSign Digitally sign with the document signer and send them instantly. Use the eSign feature for contracts, agreements, or any important document. Smart File Management Easily organize scanned files with the built-in file manager and file organizer. Quickly access your documents, rename, categorize, and store them efficiently. On-the-Go Sharing & Printing Use the scan and go functionality to scan multiple pages instantly. Perfect for digitizing paperwork efficiently. Send documents via email, social media, or cloud storage. Use the fax app feature to send faxes directly from your phone. Need a hard copy? The app works as a PDF printer for iPhone, making it easy to print your files instantly. Advanced OCR & Image to Text Extract text from scanned documents using OCR text scanner technology. Convert image to text, edit content, and copy important details with ease. Multiple File Formats & Conversions Seamlessly convert scanned documents with the built-in file converter. Turn JPG to PDF, use the jpeg converter, or convert to PDF for easy sharing. Perfect for Business & Personal Use This app is more than just a camera scanner—it’s a complete productivity tool. Whether you need an ID scanner or card scanner, this app has you covered. Upgrade with Air Apps One Subscribe to Air Apps One and unlock 30+ premium apps for productivity, fitness, learning, and more—all in one seamless subscription. Subscription Options: 1-week Subscription – $4.99 1-month Subscription – $9.99 1-year Subscription – $69.99 Manage & Cancel Anytime Payments will be charged to your iTunes account at purchase confirmation and at the start of each renewal. Free trials automatically convert to paid plans unless canceled at least 24 hours before renewal in iTunes settings. Cancellation takes effect after the current period ends, and you’ll be downgraded to the free version. Unused trial time is forfeited upon upgrading to a paid plan. EU users can cancel within 14 days via the Apple App Store. Refunds are not available once the app has been downloaded and used. Stay Connected: Web: https://airapps.co LinkedIn: https://www.linkedin.com/company/airapps Instagram: https://www.instagram.com/airappsco Facebook: https://www.facebook.com/airappsco Privacy Policy: https://airapps.co/privacy Terms of Use: https://airapps.co/terms Support: Contact us at support@airapps.co

About

勉強タイマー

A visual countdown timer that helps you manage study, work, and break times. Color bars decrease to show remaining time at a glance, with customizable skins and sound options. Works offline and requires no account.

Highlights
  • Visual countdown timer with color bars
  • Adjustable time settings up to 199 minutes
  • Large horizontal display for easy viewing
  • Customizable aluminum-style skins
  • Adjustable notification sounds and haptic feedback
  • Offline functionality
Read full description

あと何分、集中する? 残り時間を、色でつかもう。 「勉強タイマー」は、勉強・仕事・休憩の時間を区切る、見えるカウントダウンタイマーです。20本のカラーバーが少しずつ減っていくので、数字を読み続けなくても、残り時間の量をひと目で確認できます。 ■ こんな場面に ・25分だけ勉強や読書に集中したいとき ・宿題や試験勉強を、決めた時間で進めたいとき ・仕事や会議を、時間を決めて切り上げたいとき ・休憩やストレッチの終わりを確認したいとき ■ 机に置いて、横向きの大きな表示で 計測を始めると横向き表示になり、カラーバー・残り時間・残量パーセントを大きく表示。オレンジ、ライム、グリーン、ブルーのバーで、時間の減り方を視覚的に捉えられます。 ■ 時間を選んで、すぐ開始 10秒単位で最大199分50秒まで設定できます。右側のダイヤルから一時停止・再開・終了を操作でき、操作後はボタンが収納されます。 ■ 場所に合わせたお知らせ 通知音は小・大・消音の3段階。残り半分の合図、触覚フィードバック、任意のバックグラウンド通知に対応しています。バックグラウンド通知には、iPhoneの通知許可が必要です。 ■ 好みの見た目で 4色のアルミニウム風スキンから、タイマーの仕上げを選べます。 広告、アプリ内課金、サブスクリプション、アカウント登録はありません。タイマーはオフラインで使えます。アクセス解析や個人データの収集も行いません。

Screenshots

Scanner Air4 screens
勉強タイマー4 screens

Verdict

The call

The clearest difference is price: Scanner Air at Free against 勉強タイマー's $0.99. Scanner Air also leads on update cadence (every 9 days vs every 4 weeks). 勉強タイマー's advantage is in-app purchases (none vs 12) and review sentiment (100% vs 76%). On ads, device support and iOS requirement 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

Scanner Air is free to download; 勉強タイマー costs $0.99 up front. Scanner Air sells 11 in-app purchases, starting at $4.99 per 7 days. 勉強タイマー asks for nothing beyond the download.

UpkeepUpdate frequency

Scanner Air ships an update every 9 days, 勉強タイマー every 4 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard5 real differences · 5 level
Scanner Air versus 勉強タイマー: the parameters behind the verdict, then further details
ParameterScanner Air勉強タイマー
PriceFree — better$0.99
Rating4.8 (5.3K ratings) — better—
Positive reviews75.7% of reviews100.0% of reviews — better
Number of ratings5.3K — better—
Update frequencyEvery 9 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad — betteriPhone
Requires iOS16.6 — better17.0
Further details — not scored
Size223 MB6 MB
Age rating4+4+
DeveloperAir Apps SystemsSMART BIT K.K

Customer experience

Scanner Air

All ratings5,251 ratings
Positive95.0%
Neutral3.1%
Negative1.9%
Written reviews169 reviews
Positive75.7%
Neutral3.6%
Negative20.7%

勉強タイマー

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Scanner Air

Reported bugs

2 issues
  • Difficulty unsubscribing
  • Occasional crashes or freezes

Requested features

3 requests
  • Ability to adjust color/lighting settings
  • One-time purchase option
  • More transparency on subscription details

勉強タイマー

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

Scanner Air

Subscriptions11
  • Air Apps One - 1 Week$4.997 Days
  • Air Apps One - 1 Week$6.997 Days
  • Air Apps One Starter - 1 Week7 Days trial$9.997 Days
Show 8 more
  • Air Apps Pro - 1 Week3 Days trial$9.997 Days
  • Air Apps One - 1 Week$9.997 Days
  • Air Apps One Welcome - 1 Week3 Days trial$9.997 Days
  • Air Apps One - 1 Month2 variants$19.991 Month
  • Air Apps Pro - 1 Month3 Days trial$19.991 Month
  • Air Apps Pro - 1 Year3 Days trial$69.991 Year
  • Air Apps One - 1 Year1 Year trial$69.991 Year
  • Air Apps One - 1 Month$199.991 Month
None

勉強タイマー

No in-app purchases

Questions

Is Scanner Air free?
Scanner Air is free to download, with in-app purchases available.
Is 勉強タイマー free?
勉強タイマー costs $0.99, with no in-app purchases.
Do Scanner Air or 勉強タイマー have ads?
Neither Scanner Air nor 勉強タイマー shows ads.
Which is updated more often, Scanner Air or 勉強タイマー?
Scanner Air ships an update every 9 days, and 勉強タイマー every 4 weeks. Most recently, Scanner Air was updated on October 26, 2026 and 勉強タイマー on October 25, 2026.

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