# Gizmo vs Caribbean Study Forums

The clearest difference is in-app purchases: Caribbean Study Forums at none against Gizmo's 10. Gizmo's advantage is update cadence (every 4 days vs every 3 months) and chart position (#14 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Gizmo sells 10 in-app purchases, starting at $6.99 per 7 days. Caribbean Study Forums asks for nothing beyond the download.

Gizmo ships an update every 4 days, Caribbean Study Forums every 3 months. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Gizmo | Caribbean Study Forums |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (14K ratings)](https://appshunter.io/ios/app/gizmo-ai-tutor/id1610516671/reviews)** | — |
| Number of ratings | **14K** | — |
| Positive reviews | 64.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#14** | — |
| Size | 186 MB | 40 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Save All](https://appshunter.io/developer/1599281873) | [Andre Charles](https://appshunter.io/developer/1581865709) |

## What reviewers say

### Gizmo

[App page](https://appshunter.io/ios/app/gizmo-ai-tutor/id1610516671)

**Currently charting:** #14 Top Free · Education, #19 Top Grossing · Education (US App Store)

Transform any content into interactive flashcards and quizzes using AI. This app supports various import formats, including PDFs and YouTube videos, and utilizes spaced repetition and active recall for effective learning. Gamified quizzes and pre-made decks enhance the study experience.

**Highlights:** AI Import from various sources, Scan handwritten notes, Gamified quizzes, Spaced repetition & active recall, Large library of pre-made decks, Organized study with files and decks

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gizmo Unlimited | $6.99 | per 7 days |
| Gizmo Unlimited | $12.99 | per month |
| Gizmo Unlimited | $14.99 | per 7 days |
| Gizmo Unlimited | $24.99 | per month |
| Gizmo Unlimited | $29.99 | per 7 days |
| Gizmo Unlimited | $51.00 | per year |
| Gizmo Unlimited | $77.99 | per year |
| Gizmo Unlimited | $102.99 | per year |
| Gizmo Unlimited | $154.99 | per year |
| Gizmo Unlimited | $309.99 | per year |

**What reviewers like**

- 🚀 Helpful for studying and learning
- 👍 Engaging and motivating features
- 🎓 Useful for students and academics
- 🤖 Effective AI-powered tools

**What reviewers complain about**

- 🐛 Buggy and glitchy at times
- ⏱️ Restrictive time limits and lives system
- 💰 Pushing for paid subscription
- 🌐 Limited language support

**Reported bugs**

- Flashcards not saving properly
- Importing notes/PDFs not working reliably
- Freezing and crashing issues
- Inconsistent behavior across platforms

**Requested features**

- Allow more customization of flashcards
- Improve stability and reduce glitches
- Provide more language options
- Offer a way to delete decks permanently


### Caribbean Study Forums

[App page](https://appshunter.io/ios/app/caribbean-study-forums/id6474572432)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gizmo free?

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

### Is Caribbean Study Forums free?

Caribbean Study Forums is free to download, with no in-app purchases.

### Do Gizmo or Caribbean Study Forums have ads?

Neither Gizmo nor Caribbean Study Forums shows ads.

### Which is updated more often, Gizmo or Caribbean Study Forums?

Gizmo ships an update every 4 days, and Caribbean Study Forums every 3 months. Most recently, Gizmo was updated on October 21, 2026 and Caribbean Study Forums on October 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.*