Silica vs Stilo Markdown Editor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Silica
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Silica is a location and stay history app for giving AI your actual activities—not your plans. It automatically records the places you visit and how long you stay on your iPhone. Review where you went and how long you stayed in a daily timeline and map. You do not need to open the app every day. 【Key Features】 • Automatically record places visited and stay durations in the background • View activity history in a daily timeline and map • See travel modes such as walking, cycling, and driving • Optionally connect Health to view and export steps, walking/running distance, and active calories • Save frequently visited places • Manually or automatically export history to Markdown or Notion • Use exported history as context for any AI agent or knowledge tool Silica does not include built-in AI. It is a recording foundation for giving your AI real-world activity data. 【Features】 • Location history is primarily stored on your device. Only selected logs are sent to Notion when Notion integration is enabled • No ads or advertising tracking • Minimal use of location services enables low-power recording Background recording requires Always location access and Precise Location. Records may contain omissions or inaccuracies depending on the device and environment. Some features require Silica Pro. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Stilo Markdown Editor
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What you write stays a file. Stilo is a Markdown editor for iPhone and iPad. It keeps no library of its own. It opens the .md files already sitting in Files and iCloud Drive, and saves them right back. The same file still opens on your Mac and in every other app. WHAT IT DOES Your files stay yours. Edit Markdown on this iPhone, in iCloud Drive or on another cloud service. Nothing to import, nothing to export. The name and location of the open file sit at the top of the screen, and you can rename the file without leaving the editor. EAST ASIAN TYPOGRAPHY - Vertical text preview. Read your work in vertical columns, just as it appears in print - Ruby annotation. Write |北海道《ほっかいどう》 and it renders as ruby text above the base characters: furigana, zhuyin, pinyin or Korean readings - Tate-chu-yoko. Two-digit numbers stay upright inside vertical text - Page counts. Count in 400-character manuscript sheets, Taiwanese gaozhi, Korean wongoji or 250 words per page, or set your own grid - Writing goals, with progress on the status line A SCREEN THAT STAYS OUT OF THE WAY - Markdown syntax is drawn in a lighter colour so the text itself stays readable - A tag toolbar above the keyboard inserts headings, bold, quotes and ruby with one tap. Reorder it, add to it, or cut it down - Find and replace, with a match count, previous and next, and a Match Case switch - Characters, characters excluding spaces, the full-width and half-width split, lines and words EXPORT HTML export is free. PDF export keeps the vertical layout and the ruby exactly as you see them. Choose A4, Letter, Legal and other paper sizes. PRIVACY Stilo collects no personal information. There are no analytics SDKs and no advertising. The developer runs no servers, so the only place your writing goes is the cloud you chose yourself. ABOUT STILO PRO Editing, preview, find and replace, reading and writing files, character and word counts, and HTML export are free. Vertical text preview, ruby conversion, page counts and goals, PDF export, and themes with font import come with Stilo Pro. It is a one-time purchase, not a subscription. Buy it once and it works on every iPhone and iPad signed in with the same Apple ID. If the free version covers what you need, keep using it. Stilo Pro isn't required for writing; it's for reading and publishing your work in typeset form. ABOUT REPOSITORY ACCESS (sold separately, one-time purchase) Open the Markdown files in your GitHub repositories as they are, edit them, and save with a commit message. If a file changed elsewhere first, Stilo tells you instead of overwriting it. This is not a Git client: no branching, merging, history or diffs. It is focused on writing the manuscripts that live in your repository. Repository Access is independent of Stilo Pro; you can buy either one on its own. Your GitHub access token is stored only on your device.
Screenshots
Verdict
The clearest difference is update cadence: Silica at every 2 days against Stilo Markdown Editor's every 2 weeks. On price, ads, in-app purchases and device support 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. Silica sells 3 in-app purchases, starting at $1.99 per month and Stilo Markdown Editor sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Silica ships an update every 2 days, Stilo Markdown Editor every 2 weeks. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.
| Parameter | Silica | Stilo Markdown Editor |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 26 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Taketo Fujimaki | Sohshi Sasao |
In-app purchases
Silica
- Silica Pro Monthly$1.991 Month
- Silica Pro Annual$17.991 Year
- Silica Pro Lifetime$29.99
Stilo Markdown Editor
- Repository Access$3.99
- Stilo Pro$6.99







