無料のiOSアプリをダウンロードスマートな機能が計算をサポート
Smart features designed to make calculations effortless
実用的な数学アシスタント
価格比較、割り勘、割引計算など。'10個で399円と12個で499円、どちらがお得？'のように自然に質問するだけです。
時間と単位の変換
タイムゾーン、単位、通貨の変換が可能。'東京は今何時？'や'72°Fは何度？'と聞くだけです。
複雑な数式ソルバー
長い数式、パーセント計算、多段階の問題に対応。学生や専門家に最適です。
こんな質問ができます
ショッピング＆セール
- •12,999円の20%オフはいくら？
- •3個1,000円と2個700円、どちらがお得？
- •399円の商品を5個買って15%オフ、合計はいくら？
日常の計算
- •8,500円の会計を4人で割り勘、チップ15%込み
- •3月15日から9月28日まで何ヶ月？
- •3,000万円のローン、金利4.5%で30年、月々いくら？
時間と単位
- •8.5マイルは何キロメートル？
- •72度Fは何度C？
- •ニューヨークが午後3時の時、東京は何時？
ユーザーの声
Hear what our users have to say about Voice Calculator
"今まで使った中で最高の電卓アプリです！生徒たちは数学の問題を話すだけで即座に答えが得られることを気に入っています。"
Sarah K.
数学教師
"買い物中の価格比較に最高です！どちらがお得か聞くだけで、すべてを即座に計算してくれます。買い物のたびに節約できています。"
Mike R.
賢い買い物客
"音声認識が素晴らしい！複雑な数学の問題を理解し、宿題のチェックを手伝ってくれます。最高なのは完全無料なところです！"
Lisa T.
学生
永久無料
Simple, transparent pricing that scales with your needs
Free Forever
$0
- Voice recognition & calculations
- Basic math operations
- Works offline
- Multiple language support
AI Features
$7.99
One-time purchase
- Everything in Free plan
- AI-powered smart calculations
- Natural language understanding
- Complex problem solving
- Smart price comparisons
All purchases include lifetime access to AI features. Free features remain free forever. No subscriptions, no hidden fees.
よくある質問
Got questions? We've got answers
VoiceCalc - AI Voice Calculator for iPhone and iPad
VoiceCalc is a free voice-activated calculator app that uses artificial intelligence to understand natural language math queries. Users can speak math problems in their own words and get instant answers without typing.
What VoiceCalc Can Do
- Price Comparisons: Ask "Which is cheaper: 3 for $10 or 2 for $7?" to compare bulk pricing
- Bill Splitting: Say "Split $85 among 4 people with 15% tip" for instant calculations
- Unit Conversions: Convert between metric and imperial units, temperatures, and currencies
- Time Zones: Ask "What time is it in Tokyo when it's 3PM in New York?"
- Complex Math: Solve equations, percentages, and multi-step problems
- Shopping Math: Calculate discounts, taxes, and determine best deals
Key Features
- 100% Free: No subscriptions, ads, or in-app purchases
- Privacy-First: All voice processing happens on-device
- Works Offline: No internet connection required
- 17 Languages: Supports major world languages
- Natural Language: Understands questions asked in everyday language
Common Questions VoiceCalc Can Answer
- Shopping Questions
- "What's 25% off $89.99?"
- "How much is each item if I buy 6 for $15?"
- Daily Math Questions
- "How many days between today and Christmas?"
- "What's my share if we split $240 among 5 people?"
- Conversion Questions
- "Convert 165 pounds to kilograms"
- "How many cups in 2.5 liters?"
How VoiceCalc Works
- Open the VoiceCalc app on your iPhone or iPad
- Tap the microphone button
- Speak your math question naturally
- Get instant results with step-by-step explanations