otu.ai vs WithVoice
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
otu.ai
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OTU: Your AI-Powered Cross-Platform Memo App Capture your thoughts seamlessly and find them instantly, wherever you are. Key Features - Cross-Platform Access: Enjoy a consistent experience across all your devices. - AI Chatbot: Get instant answers based on your saved memos. - Advanced Editing Tools: Edit with the power of a word processor. - Quick Capture: Jot down ideas before they slip away. - Auto-Generated Titles: Save time with smart, automated titles. - Text Extraction from Images: Turn images into searchable memos. OTU is more than just a memo app. Itβs designed to help you store effortlessly and retrieve effectively, enhanced by AI. Start your new memo journey with OTU today!
WithVoice
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WithVoice is an AI dictation keyboard that turns speech into polished textβright where you're already typing. Tap the mic, talk naturally, and WithVoice inserts clean, punctuated sentences at your cursor in any app: Messages, Notes, Mail, Slack, your browser, anywhere. It supports both Korean and English input. Powered by Google Gemini, WithVoice does more than transcribe. It cleans up filler words, fixes punctuation, and formats your speech into text that's ready to sendβso you spend less time editing and more time getting things done. WHY WITHVOICE β’ Speak, don't type. Dictate emails, notes, and messages 3x faster than thumb-typing. β’ Clean output, not raw transcript. Gemini removes "um," "uh," and false starts, then adds proper punctuation and capitalization. β’ One keyboard for Korean and English. Switch languages with the "ν/A" keyβno need to change keyboards. The standard Dubeolsik layout composes final and compound consonants and vowels naturally, and the mic stays in the same spot in both. β’ Works everywhere. As a system keyboard, WithVoice drops text into any app with a text field. β’ Your key, your control. Bring your own Google Gemini API key. Audio and text go straight to Google's API and nowhere else. β’ No accounts, no tracking. There are no logins, no ads, and no third-party analytics. HOW IT WORKS 1. Get a free Google Gemini API key and paste it into WithVoice's settings (stored securely in your device Keychain). 2. Enable the WithVoice keyboard in Settings and allow microphone access. 3. Switch to the WithVoice keyboard, pick your language with the "ν/A" key, tap the mic, and speak. 4. Your words appear as clean text at the cursor. PRIVACY FIRST WithVoice uses your own Gemini API key. Your recorded audio and the resulting text are sent only to Google's Gemini API to perform transcription and cleanup. WithVoice does not store your recordings, does not keep your transcripts, and includes no third-party analytics or tracking. See our Privacy Policy for full details. BUILT FOR iPHONE WithVoice is designed for iOS 26 and iPhone, with a fast, minimal keyboard and a single clear settings screen. No clutterβjust talk and type. NOTE: WithVoice requires your own Google Gemini API key, which you can obtain for free from Google AI Studio. Transcription is performed by Google's Gemini API and is subject to Google's terms and pricing for that service. An internet connection is required.
Screenshots
Verdict
The clearest difference is in-app purchases: WithVoice at none against otu.ai's 2. otu.ai's advantage is iOS requirement (15.1 vs 26.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. otu.ai sells 2 in-app purchases, starting at $4.99 per month. WithVoice asks for nothing beyond the download.
otu.ai ships an update fortnightly, WithVoice weekly. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.
| Parameter | otu.ai | WithVoice |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Weekly β better |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPod β better | iPhone |
| Requires iOS | 15.1 β better | 26.0 |
| Further details β not scored | ||
| Size | 27 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | opentutorials | jaehyun jang |
In-app purchases
otu.ai
- Monthly Subscription$4.991 Month
- Yearly Subscription$44.991 Year
WithVoice
No in-app purchases









