textboard2 vs PromptSentry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
textboard2
Organize your thoughts, tasks, and data with a smart tagging system. This app offers a streamlined interface for jotting down notes and retrieving them easily. Customize your experience with visual themes and sync across devices.
- Organize thoughts with tags
- All notes on one board
- Easy tag-based retrieval
- Customizable visual themes
- iCloud sync across devices
- Refined interface for quick access
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textboard2 provides the smartest way to clear your mind. Using tags, you can organize your thoughts, tasks, executions, data, and more. [ Main Features ] * the board. The players are your thoughts turned into text. Whatever short or long, one line or multi-lines, you can add. They are all listed in one board. Check with just scrolling. * tags. Reminders, snippets, drafts, and more. Your text is neatly organized by adding 'tags' so that you can easily pick up and reuse by coping to pasteboard. * themes. Initially 4 visual themes are available as a start. Easy to change them at any time, and have fun with your mood. More will be added by update soon. * sync. Just turn on iCloud and now you will be able to back up your text and use in other iDevices. Mac app is also coming soon. Upgraded features from the previous version *refined interface / logics From many use cases, more quicker access to the controls and are built and tested. Now much more addictive for daily use. *upcoming features - Integrating more input methods (mac, keyboard, etc.) - Supporting more viewer devices (watch, etc.) - Shop - buyable utilities, themes
PromptSentry
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Detect hidden instructions in documents and images before they manipulate your AI tools. PromptSentry reviews business documents, PDFs, DOCX files, images and pasted text for prompt injection, jailbreak attempts, hidden text and encoded directions that could change how an AI assistant, agent or internal tool responds. Use PromptSentry before uploading or pasting outside content into AI. It helps you catch unsafe AI instructions in contracts, resumes, invoices, vendor files, support tickets, policies, client material, research and internal knowledge base content. Use PromptSentry for: - Business AI safety checks - Document review before using AI tools - Vendor and client document screening - Contract, invoice, resume and support ticket review - Data privacy workflows for sensitive content - Teams using AI assistants, agents, RAG systems and internal tools What you get: - Fast Safe, Suspicious or Dangerous result - Plain-language risk notes - Confidence and source context - Scan history for follow-up review - Adjustable sensitivity for your workflow - Private on-device scanning PromptSentry works as an AI scanner, file scanner and document review tool for professionals who need a simple AI security checkpoint between untrusted content and business AI workflows. Scan first, understand the risk, then decide whether to upload, edit or block the file. PromptSentry supports safer AI work without slowing down your team. PromptSentry is an assistive security tool. Detection is probabilistic and should be used as one layer of your review process.
Screenshots
Verdict
The clearest difference is in-app purchases: textboard2 at none against PromptSentry's 1. textboard2 also leads on iOS requirement (14.0 vs 26.4). PromptSentry's advantage is update cadence (every 5 days vs fortnightly). On price, ads 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. PromptSentry sells 1 one-off in-app purchase. textboard2 asks for nothing beyond the download.
textboard2 ships an update fortnightly, PromptSentry every 5 days. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.
| Parameter | textboard2 | PromptSentry |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (12 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Fortnightly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 26.4 |
| Further details — not scored | ||
| Size | 22 MB | 378 MB |
| Age rating | 17+ | 4+ |
| Developer | yoshito hasaka | TOLGA BARIS KOC |
In-app purchases
textboard2
No in-app purchases
PromptSentry
- PromptSentry Ultra$8.99









