# Biometric Notes vs PrismScroll Djinn

The clearest difference is review sentiment: Biometric Notes at 100% against PrismScroll Djinn's 20%. Biometric Notes also leads on in-app purchases (none vs 9). PrismScroll Djinn's advantage is price (Free vs $1.99) and update cadence (monthly vs every 10 months). On ads, device support and iOS requirement there is nothing between them.

PrismScroll Djinn is free to download; Biometric Notes costs $1.99 up front. PrismScroll Djinn sells 9 one-off in-app purchases. Biometric Notes asks for nothing beyond the download.

Biometric Notes ships an update every 10 months, PrismScroll Djinn monthly. The most recent releases landed on June 7, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | Biometric Notes | PrismScroll Djinn |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.3 (33 ratings)](https://appshunter.io/ios/app/prismscroll-djinn/id1477503443/reviews)** |
| Number of ratings | — | **33** |
| Positive reviews | **100.0% of reviews** | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 10 MB | 95 MB |
| Requires iOS | **12.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Mohammad Masri](https://appshunter.io/developer/975614455) | [Samuel Harmon](https://appshunter.io/developer/1200962193) |

## What reviewers say

### Biometric Notes

[App page](https://appshunter.io/ios/app/biometric-notes/id991357855)

Securely store and manage all your sensitive information, including passwords, PINs, and private notes, using biometric authentication like Face ID and Touch ID. Organize your data with unlimited notes and lists, ensuring your private files are protected from unauthorized access.

**Highlights:** Biometric authentication (Face ID, Touch ID), Unlimited note creation, Organize with lists, Emoji support, Offline functionality, Secure personal diary

**Features:** macOS Compatibility

**In-app purchases:** none


### PrismScroll Djinn

[App page](https://appshunter.io/ios/app/prismscroll-djinn/id1477503443)

This app acts as an on-demand resource for Dungeons & Dragons players, providing instant information on spells, rules, and game elements. It features voice commands, searchable lists, and a compendium for quick lookups during gameplay.

**Highlights:** Voice-activated D&D information, Searchable compendium, Customizable favorite lists, Keyword adjustment for voice recognition, Access to spells and game rules, In-app purchases for additional content

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Djinn Equipment | $1.99 | one-time |
| Unlock Unlimited Lists | $1.99 | one-time |
| Unlock Djinn Unique Abilities | $1.99 | one-time |
| Unlock Djinn Class/Subclasses | $1.99 | one-time |
| Unlock Djinn Races/Subraces | $1.99 | one-time |
| Unlock Djinn Backgrounds | $1.99 | one-time |
| Unlock Djinn Magic Items | $2.99 | one-time |
| Unlock Djinn Monsters | $2.99 | one-time |
| Djinn Unleashed | $9.99 | one-time |


## Frequently asked questions

### Is Biometric Notes free?

Biometric Notes costs $1.99, with no in-app purchases.

### Is PrismScroll Djinn free?

PrismScroll Djinn is free to download, with in-app purchases available.

### Do Biometric Notes or PrismScroll Djinn have ads?

Neither Biometric Notes nor PrismScroll Djinn shows ads.

### Which is updated more often, Biometric Notes or PrismScroll Djinn?

Biometric Notes ships an update every 10 months, and PrismScroll Djinn monthly. Most recently, Biometric Notes was updated on June 7, 2026 and PrismScroll Djinn on August 17, 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.*