i vs Prompt Warehouse
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
i
Transform your smartphone into a powerful magnification tool. Observe and record microscopic details with your phone's camera and a macro lens. Measure objects with a scale bar and add notes to your digital micrographs.
- Professional magnification tool
- Record digital micrographs
- Optical magnification
- Up to 10x digital zoom
- Scale bar for measurement
- Add notes and remarks
- Direct photo sharing
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Use this app to work with smartphone microscopes or any phone macro-lens as an professional magnification tool to observe tiny objects and record digital micrographs with your Phone. Features: Capture of photos with tiny objects as you do with sophisticated optical microscope Optical magnification ratio depending on your smartphone microscope Up to 10x digital magnification in App Scale bar for objects measurement which can be toggled on/off Automatic recording of shooting date and time Allow you to add notes and remarks to your picture Direct sharing of photos with email, message. Attach smartphone microscope to your Phone and convert it into a convenient portable microscope. Capture and save micrographs. Zoom in on photos and tag pictures with comments. Access your photos from your i-Seeing app, email them to your computer and colleagues. More detail at: www.mobile-scope.com
Prompt Warehouse
Organize and manage your AI prompts efficiently. Compose, categorize, and quickly copy prompts for AI interactions. Backup and share your prompt library using import/export features.
- Prompt composition
- Prompt categorization
- Copy to clipboard
- Import/export library
- CSV import support
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This app empowers AI enthusiasts with a streamlined prompt manager. Easily compose prompts, categorize them, and copy them straight to your clipboard for lightning-fast AI interactions. Want to share or backup your entire library? Use the built-in import/export functionality— to import, simply create a csv file with a column named 'title' and a column named 'content' for your prompts and import!
Screenshots
Verdict
The clearest difference is review sentiment: Prompt Warehouse at 100% against i's 20%. Prompt Warehouse also leads on rating (5.0 vs 2.7) and update cadence (daily vs every 14 months). i's advantage is price (Free vs $2.99) and ratings volume (35 vs 3). On ads, in-app purchases, device support and iOS requirement 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
i is free to download; Prompt Warehouse costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Prompt Warehouse holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: i has 35 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 20% of i's written reviews are positive against 100% of Prompt Warehouse's.
i ships an update every 14 months, Prompt Warehouse daily. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.
| Parameter | i | Prompt Warehouse |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 2.7 (35 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 20.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 35 — better | 3 |
| Update frequency | Every 14 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 16.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 6 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Shanghai Qingying Electronic Technology LLC | Joseph Rumberger |
Customer experience
i
Prompt Warehouse
In-app purchases
i
No in-app purchases
Prompt Warehouse
No in-app purchases
