# PrismScroll Djinn vs Grimoire Study

The clearest difference is review sentiment: Grimoire Study at 100% against PrismScroll Djinn's 20%. Grimoire Study also leads on rating (5.0 vs 4.3). PrismScroll Djinn's advantage is ratings volume (33 vs 1) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PrismScroll Djinn sells 9 one-off in-app purchases and Grimoire Study sells 8 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Grimoire Study holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: PrismScroll Djinn has 33 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 20% of PrismScroll Djinn's written reviews are positive against 100% of Grimoire Study's.

PrismScroll Djinn ships an update monthly, Grimoire Study fortnightly. The most recent releases landed on October 23, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PrismScroll Djinn | Grimoire Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (33 ratings)](https://appshunter.io/ios/app/prismscroll-djinn/id1477503443/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grimoire-study/id6795682831/reviews)** |
| Number of ratings | **33** | 1 |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 95 MB | 113 MB |
| Requires iOS | **12.2** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Samuel Harmon](https://appshunter.io/developer/1200962193) | [BRIAN M BREMGES](https://appshunter.io/developer/1896769119) |

## What reviewers say

### 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 |


### Grimoire Study

[App page](https://appshunter.io/ios/app/grimoire-study/id6795682831)

Digitally catalog your card collection by scanning them with your camera. Build new decks using your existing cards, track their value, and manage wishlists and binders. Offers deck-building assistance with explanations and rule citations.

**Highlights:** Scan cards with camera, Build decks from owned cards, Track collection value, Deck-building assistant, Wishlist and binder management, Search card printings

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Collector | $8.99 | per month |
| Pro | $16.99 | per month |
| Collector, Yearly | $89.99 | per year |
| Pro, Yearly | $169.99 | per year |
| Impulse Mana | $3.49 | one-time |
| Small Mana Pack | $6.99 | one-time |
| Medium Mana Pack | $13.99 | one-time |
| Large Mana Pack | $28.99 | one-time |


## Frequently asked questions

### Is PrismScroll Djinn free?

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

### Is Grimoire Study free?

Grimoire Study is free to download, with in-app purchases available.

### Which has better reviews, PrismScroll Djinn or Grimoire Study?

Grimoire Study is rated higher. PrismScroll Djinn averages 4.3 out of 5 from 33 ratings, while Grimoire Study averages 5.0 from 1 ratings.

### Do PrismScroll Djinn or Grimoire Study have ads?

Neither PrismScroll Djinn nor Grimoire Study shows ads.

### Which is updated more often, PrismScroll Djinn or Grimoire Study?

PrismScroll Djinn ships an update monthly, and Grimoire Study fortnightly. Most recently, PrismScroll Djinn was updated on October 23, 2026 and Grimoire Study on October 31, 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.*