SageChat vs DocPeek
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SageChat
Engage in private AI conversations using on-device models or your own API keys. Compare multiple AI models, attach files, and convert voice notes to prompts. Offers a secure, user-controlled AI chat experience.
- On-device local models for private chat
- Bring your own API key for cloud models
- Multi-model comparison in one workspace
- Voice notes, photos, and document attachments
- Web-enabled models
- Optional hosted path
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Chat with AI on your iPhone without handing over your keys. Run supported models on-device. Or bring your own API key for OpenAI, Anthropic, Google, xAI, DeepSeek, Moonshot, and Z.ai. Keys stay on your device. Providers bill you directly. No markup. Compare models side by side. Attach photos and files. Turn a voice note into a prompt. WHY INSTALL • On-device / local models for private chat • Bring your own key when you want a cloud model • Multi-model compare in one workspace • Voice notes, photos, and documents • Web-enabled models where the provider supports it HOW PRIVACY WORKS • On-device chat keeps prompts local • Advanced Lab keys stay on your device and are not sent to SageKey Labs • Advanced Lab requests go directly to the provider you pick • Managed Sage is an optional hosted path if you do not want to add a key. It is not required to install or to chat on-device. Start on-device. Add a key only if you want one. SageChat Pro is an optional auto-renewing subscription. Payment is charged to your Apple Account. Subscriptions renew unless canceled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Privacy Policy: https://sagekeylabs.ai/privacy Terms of Use: https://sagekeylabs.ai/terms
DocPeek
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Open Markdown, Word, Excel, PowerPoint, HTML, RTF and EPUB files in one fast, private reader. Get the key points with an AI summary, ask questions about the document, and turn anything into a polished PDF. READ ANY DOCUMENT • Markdown, HTML, DOC/DOCX, XLS/XLSX, PPT/PPTX, RTF, TXT and EPUB • Automatic table of contents and full-text search for long files • Code highlighting, math formulas and Mermaid diagrams • Open from Files, Mail, Messages or any share sheet • Themes, font sizes and dark mode for comfortable reading UNDERSTAND IT FASTER WITH AI • Summaries, outlines, key points and action items in one tap • Ask follow-up questions about the open document • Answers in your language • Your text is only sent when you choose to use an AI feature EXPORT POLISHED PDFS • Cover page, table of contents, paper size, margins, headers and footers • Selectable text in every PDF • Batch-convert a whole folder at once WRITE LONG-FORM PROJECTS • Chapters, outlines, scene beats, characters and worldbuilding • Templates for novels, serials and screenplays • AI polish, expand, shorten, continue and rewrite • Import DOCX, TXT, MD, RTF and EPUB with automatic chapter detection • Export DOCX, EPUB, PDF, TXT, MD and JSON BUILT FOR EVERY SCREEN Works on iPhone, iPad, Mac and iPhone Duo, with split view on large screens. PRIVATE BY DESIGN Rendering, storage and standard exports happen on your device. No account is needed to read. Free: reading, previews and standard PDF export. DocPeek Pro (monthly or yearly subscription) unlocks more AI, AI writing tools and batch PDF. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://docpeek.xinghebit.com/privacy.html
Screenshots
Verdict
The clearest difference is device support: DocPeek at 4 against SageChat's 1. DocPeek also leads on iOS requirement (15.0 vs 18.6). 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
Both are free to download. SageChat sells 2 in-app purchases, starting at $8.99 per month and DocPeek sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 4 days. Both last shipped on October 31, 2026.
| Parameter | SageChat | DocPeek |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 4 days | Every 4 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 16 MB |
| Age rating | 12+ | 4+ |
| Developer | William Hucks | Beijing XingheBit Science & Technology Development Co., Ltd. |
In-app purchases
SageChat
- SageChat Pro Monthly$8.991 Month
- SageChat Pro Annual$79.991 Year
DocPeek
- DocPeek Pro 月订阅$1.991 Month
- DocPeek Pro 年订阅$12.991 Year









