# i vs Prompt Warehouse

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.

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.

## The numbers

| Metric | i | Prompt Warehouse |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [2.7 (35 ratings)](https://appshunter.io/ios/app/i-seeing/id926099814/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/prompt-warehouse/id6738286883/reviews)** |
| Number of ratings | **35** | 3 |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Daily** |
| Monetization | **Free** | Paid |
| Size | 6 MB | 6 MB |
| Requires iOS | **16.0** | 17.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Qingying Electronic Technology LLC](https://appshunter.io/developer/926099802) | [Joseph Rumberger](https://appshunter.io/developer/1569758741) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-seeing/id926099814)

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.

**Highlights:** Professional magnification tool, Record digital micrographs, Optical magnification, Up to 10x digital zoom, Scale bar for measurement, Add notes and remarks, Direct photo sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### Prompt Warehouse

[App page](https://appshunter.io/ios/app/prompt-warehouse/id6738286883)

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.

**Highlights:** Prompt composition, Prompt categorization, Copy to clipboard, Import/export library, CSV import support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is i free?

i is free to download, with no in-app purchases.

### Is Prompt Warehouse free?

Prompt Warehouse costs $2.99, with no in-app purchases.

### Which has better reviews, i or Prompt Warehouse?

Prompt Warehouse is rated higher. i averages 2.7 out of 5 from 35 ratings, while Prompt Warehouse averages 5.0 from 3 ratings.

### Do i or Prompt Warehouse have ads?

Neither i nor Prompt Warehouse shows ads.

### Which is updated more often, i or Prompt Warehouse?

i ships an update every 14 months, and Prompt Warehouse daily. Most recently, i was updated on November 1, 2026 and Prompt Warehouse on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*