# Fluoverse vs Undumb

The clearest difference is rating: Undumb at 5.0 against Fluoverse's 4.7. Fluoverse's advantage is iOS requirement (15.0 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Fluoverse sells 4 in-app purchases, starting at $8.99 per month and Undumb sells 2 in-app purchases, starting at $5.00 per month. Whichever you choose, the download price is not the number that matters.

Undumb holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

Fluoverse ships an update every 4 days, Undumb weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Fluoverse | Undumb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/fluoverse/id6755234538/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/undumb-brain-training/id6800177759/reviews)** |
| Number of ratings | 3 | 3 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Freemium | Freemium |
| Size | 261 MB | 56 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Fluoverse P.C.](https://appshunter.io/developer/1852741978) | [FigLantern LLC](https://appshunter.io/developer/6800177761) |

## What reviewers say

### Fluoverse

[App page](https://appshunter.io/ios/app/fluoverse/id6755234538)

This app helps expats in Spain build genuine friendships with locals and other expats. It facilitates recurring meetups based on shared interests and provides integrated Spanish language and culture coaching to boost confidence in social situations.

**Highlights:** Friend matching based on interests, Recurring group activities, Integrated Spanish coaching, Real-time speaking feedback, Culture coaching for Spain, Live speaking practice

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fluoverse Tutor License | $8.99 | per month |
| Fluoverse Premium Monthly | $9.99 | per month |
| Fluoverse Premium - Yearly | $50.00 | per year |
| Fluoverse Premium — Lifetime | $34.99 | one-time |


### Undumb

[App page](https://appshunter.io/ios/app/undumb-brain-training/id6800177759)

This app offers daily brain workouts designed to enhance creativity, critical thinking, and focus, especially for those using AI tools regularly. It provides hand-crafted puzzles to combat 'AI-brain-drain' and helps users track their cognitive progress.

**Highlights:** Daily brain workouts, Enhances creativity, Improves critical thinking, Boosts focus, Cognitive profile tracking, Progress trending over time

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Undumb Monthly | $5.00 | per month |
| Undumb Annual | $30.00 | per year |


## Frequently asked questions

### Is Fluoverse free?

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

### Is Undumb free?

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

### Which has better reviews, Fluoverse or Undumb?

Undumb is rated higher. Fluoverse averages 4.7 out of 5 from 3 ratings, while Undumb averages 5.0 from 3 ratings.

### Do Fluoverse or Undumb have ads?

Neither Fluoverse nor Undumb shows ads.

### Which is updated more often, Fluoverse or Undumb?

Fluoverse ships an update every 4 days, and Undumb weekly. Most recently, Fluoverse was updated on October 30, 2026 and Undumb 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.*