Comparison

Privacy AI vs EchoNote

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

Head to head
About

Privacy AI

This AI toolkit offers a comprehensive suite of tools for local and cloud-based models, including language, speech, and image processing. It enables users to chat, run agents, transcribe meetings, and generate images with over 60 integrated functions. Local model features operate entirely offline, enhancing privacy and accessibility.

Highlights
  • Local and cloud AI model integration
  • AI agent with goal-driven planning
  • Speech recognition and text-to-speech
  • On-device image generation
  • Meeting transcription and summarization
  • AI-powered writing and editing tools
  • Document scanning and conversion
Features
Read full description

Privacy AI is an all-in-one AI toolkit for every kind of model: local language models (GGUF, MLX, Core AI), speech recognition, text-to-speech and image models, Apple's own models, and the major cloud providers. Chat, run agents, transcribe meetings and create images with 60+ tools. Local models work fully offline. Novel Writer - Import a novel and recover its chapters, characters and open threads - Rewrite from any chapter, translate it, or start a new story in its world - Draft novels and short stories Made for iPhone Duo and iPad - Lists beside their details, and two windows in Split View - Meetings: the live transcript on top, your notes below, split on the fold - Doc Scanner, Reader and AI edits show the original beside the result Meetings - On-device transcripts of meetings and lectures, with speaker labels - Minutes, lecture notes or your own summaries, linked to the moments they quote - Lock Screen controls; export SRT, VTT or Markdown Games - Adventure: a fantasy campaign with an AI party and narrator - Werewolf: a social deduction table of AI players Create Images on Your Device - FLUX.2 Klein and Stable Diffusion models, free with no API key - Import your own fine-tuned models Run Models Locally or in the Cloud - On-device GGUF and MLX models, with vision and tool-calling - Use models in place from any folder or external drive - Apple's on-device and Private Cloud Compute models, with no account or API key - Connect to OpenAI, Claude, Gemini, DeepSeek, or any OpenAI-compatible server Agent - Give it a goal: it plans, calls tools and delivers a written report - Teach it with Skills: folders of instructions and scripts Chat - Smart Chat routes each message by complexity and keeps sensitive text local System Keyboard - Dictate, rewrite, translate and proofread text in any app - Types in 11 languages with Pinyin, Japanese and Korean input Mini Apps - Doc Scanner: PDFs, photos and scans to clean Markdown, tables intact - Email Assistant: triage any IMAP inbox on device - Knowledge Wiki: cited answers from your own documents - LLM Council: ask several models at once and get one answer - Topic Briefing: dated, sourced briefs on topics you follow Tools and Connectors - 60+ built-in tools: web and paper search, calendar, code and more - Google Drive, MCP with a marketplace, Siri and Shortcuts Voice - Text to Audio: documents read aloud by on-device voices - Voice Clone: a voice from a short recording or a description Files and Accessibility - Convert PDFs, Office files, e-books, archives, emails and media to Markdown, with OCR - VoiceOver throughout, including both games - View Assistant: point the camera and hear what is in front of you Free to Use. No Ads. Local model features are free, including the AI keyboard, 60+ tools, games and on-device image generation. Cloud API models, Google Drive and the MCP marketplace need a subscription. Privacy by Design Privacy AI runs on-device. No backend servers. No accounts. No data collection. Every API request is visible in the Protocol Inspector. Terms of Use: https://privacyai.acmeup.com/docs/policy/tos.html Privacy Policy: https://privacyai.acmeup.com/docs/policy/privacy.html

About

EchoNote

Features
Read full description

「あの会議、何を話してたっけ?」 「授業のあそこ、もう一度聞きたい」 「保護者会、結局何が決まったの?って後で聞かれて、うまく説明できない」 EchoNoteは、あなたの代わりに「聞いて、書き留めて、整理する」 AIノートアプリです。 ■ 録音するだけ ワンタップで録音開始。 会議、講演、授業、懇談会、インタビュー あなたが集中したい場面で、EchoNoteがあなたの耳になります。 ■ AIが文字に変える 最新の音声認識AIが、自然な日本語で正確に文字起こし。 さらに、会話の流れを理解して誤りを補正します。 ■ 思考が整理されたノートに ただの文字起こしではありません。 AIが内容を構造化し、見出し付きの読みやすいノートに変換。 全ての記述に「この発話が根拠」というエビデンスが付きます。 ■ TODOを見逃さない 会議や保護者会で決まったアクションアイテムを自動抽出。 「来週までに何を準備するんだっけ」を、二度と忘れません。 ■ Apple Watchでさらに自由に iPhoneを取り出せない場面でも、Apple Watchから録音開始。 歩きながら、立ち話しながら、思いついた時に。 ■ 大切な人に、簡単に共有 保護者会、PTA、習い事の説明会。 出席できなかった家族・パートナーに、ノートをそのまま共有できます。 「お母さんが出て、お父さんは何があったかわからない」 「報告するのが面倒で、情報がいつも自分だけで止まる」 そんな情報の非対称性を、AIが解消します。 ■ プライバシーは妥協しない 録音もノートも、すべてあなたの端末の中に。 アカウント登録不要。広告も解析もありません。 声を、文字に。思いを、ノートに。 EchoNoteは、聞き逃したくない瞬間のためのアプリです。 =========================== ■ 主な機能 ・ワンタップ録音(バックグラウンド対応・最大60分以上) ・Apple Watch コンパニオン録音 ・AI文字起こし(高精度日本語対応) ・AI補正・構造化ノート自動生成 ・配布資料スキャンと用語抽出で固有名詞も正確に ・TODO自動抽出 ・要レビュー箇所のハイライト ・PDF / テキストエクスポート(共有・保存に便利) ・完全ローカル保存(プライバシー保護) =========================== ■ 想定利用シーン ・学校・保育園の保護者会、PTA、懇談会 (ノート共有でパートナーや家族と情報を分かち合う) ・大学の授業 / ゼミ / 研究室ミーティング ・社内会議 / 1on1 / 朝会 ・顧客打ち合わせ / 商談 ・講演会 / セミナー / ウェビナー ・取材 / インタビュー ・習い事の説明会 / 個別面談 =========================== ※ 録音時は、関係者の同意を得るなど、適用される法令を遵守してご利用ください。 ※ AI処理結果は完全ではありません。重要な判断には元の音声をご確認ください。 ※ データはローカル保存です。アプリ削除でデータも削除されます。 Terms of Use: https://vercel-portfolio-site-five.vercel.app/legal/echonote/terms Privacy Policy: https://vercel-portfolio-site-five.vercel.app/legal/echonote/privacy

Screenshots

Privacy AI4 screens
EchoNote4 screens

Verdict

The call

The clearest difference is device support: EchoNote at 4 against Privacy AI's 2. EchoNote also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads and in-app purchases 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. Privacy AI sells 3 in-app purchases, starting at $3.99 per 7 days and EchoNote sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Privacy AI ships an update weekly, EchoNote every 9 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Privacy AI versus EchoNote: the parameters behind the verdict, then further details
ParameterPrivacy AIEchoNote
PriceFreeFree
Rating4.8 (21 ratings) — better—
Positive reviews92.3% of reviews—
Number of ratings21 — better—
Update frequencyWeekly — betterEvery 9 days
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS18.015.1 — better
Further details — not scored
Size3.5 GB45 MB
Age rating17+12+
DeveloperAcmeUp Inc.koichi shimada

In-app purchases

3 purchases

Privacy AI

Subscriptions3
  • Weekly Pro Plan$3.997 Days
  • Monthly Pro Plan$9.991 Month
  • Yearly Pro Plan$99.991 Year
2 purchases

EchoNote

Subscriptions2
  • EchoNote Premium 月額$3.991 Month
  • EchoNote Premium 年額$29.991 Year

Questions

Is Privacy AI free?
Privacy AI is free to download, with in-app purchases available.
Is EchoNote free?
EchoNote is free to download, with in-app purchases available.
Do Privacy AI or EchoNote have ads?
Neither Privacy AI nor EchoNote shows ads.
Which is updated more often, Privacy AI or EchoNote?
Privacy AI ships an update weekly, and EchoNote every 9 days. Most recently, Privacy AI was updated on November 8, 2026 and EchoNote on October 31, 2026.

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