# sliiidea vs Fenzo AI

The clearest difference is in-app purchases: sliiidea at none against Fenzo AI's 1. sliiidea also leads on iOS requirement (13.4 vs 15.1). Fenzo AI's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Fenzo AI sells 1 in-app purchase, starting at $199.00 per year. sliiidea asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | sliiidea | Fenzo AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fenzo-ai/id6761263537/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 31 MB | 45 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [palmio](https://appshunter.io/developer/1759355081) | [Educative, Inc](https://appshunter.io/developer/1097711135) |

## What reviewers say

### sliiidea

[App page](https://appshunter.io/ios/app/sliiidea/id6575381412)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fenzo AI

[App page](https://appshunter.io/ios/app/fenzo-ai/id6761263537)

This app provides short, interactive lessons with clear explanations and quizzes on complex topics like college admissions, taxes, and credit scores. It's designed to make learning efficient and accessible for all ages, covering a wide range of subjects from SAT prep to investing basics.

**Highlights:** Interactive lessons, Clear explanations and visuals, Expert-reviewed accuracy, Quizzes for knowledge checks, Covers SAT, FAFSA, taxes, credit scores, Cross-device syncing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fenzo Annual | $199.00 | per year |


## Frequently asked questions

### Is sliiidea free?

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

### Is Fenzo AI free?

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

### Do sliiidea or Fenzo AI have ads?

sliiidea shows ads; Fenzo AI does not.

### Which is updated more often, sliiidea or Fenzo AI?

sliiidea ships an update every 3 weeks, and Fenzo AI every 3 weeks. Most recently, sliiidea was updated on October 27, 2026 and Fenzo AI 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.*