PROSYS vs Stash
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PROSYS
This life management tool simplifies achieving your goals by integrating with native apps like Reminders, Calendar, and Contacts. Activate a practical methodology for seamless life management.
- Life management methodology
- Native app integration (Reminders, Calendar, Contacts)
- Goal achievement
- Simple and powerful interface
- Seamless life management
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PROSYS is a life management tool, based on a practical methodology. It is simple enough to achieve your life goals seamlessly and powerful enough by integrating with your favorite native apps such as Reminders, Calendar and Contacts. Let all that magic happen and give yourself the permission to live life. PROSYS app is the tool to activate PROSYS methodology in the simplest way possible.
Stash
This AI-powered notebook helps you capture ideas, summarize content from links or videos, and set reminders. It researches and organizes your notes into readable markdown, with offline capabilities for note-taking.
- AI-powered summarization
- Research and organization
- Offline note capture
- Reminders
- Markdown note format
- Tag filtering and search
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Zero prompt AI Notebook. Paste a link, a video, a few words: and watch Stash summarize, add reminders, and do research for you. Capture - Type a rough note or attach photos from the camera or library - Stash even when you are offline; notes queue and are summarized when you are back online Summarize - The Stash server researches and organizes the note (vision + web search) - You get a readable markdown note, not a chat transcript - A note is summarized once; a failed summary keeps your original text and images Recall - Browse recent notes, filter by tags, or search - Optional reminders fire from the server so they are not stuck on one phone Stash Pro (optional auto-renewable subscription) - Raises summary and research limits - Purchase, restore, and manage through your Apple ID - Privacy Policy: https://stash.graftedsoftware.com/legal/privacy - Terms: https://stash.graftedsoftware.com/legal/terms
Screenshots
Verdict
The clearest difference is review sentiment: Stash at 100% against PROSYS's 0%. Stash also leads on rating (5.0 vs 4.4) and update cadence (fortnightly vs every 18 months). PROSYS's advantage is in-app purchases (none vs 2) and ratings volume (5 vs 1). 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. Stash sells 2 in-app purchases, starting at $7.99 per month. PROSYS asks for nothing beyond the download.
Stash holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: PROSYS has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of PROSYS's written reviews are positive against 100% of Stash's.
PROSYS ships an update every 18 months, Stash fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | PROSYS | Stash |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (5 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 18 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 7 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Flagship Projects Marketing FZ LLC | Andrew Rice |
Customer experience
PROSYS
Stash
In-app purchases
PROSYS
No in-app purchases
Stash
- Stash Pro$7.991 Month
- Stash Unlimited (yearly)$79.991 Year
