# UN IGF vs Brain

The clearest difference is rating: Brain at 5.0 against UN IGF's 1.0. Brain also leads on ratings volume (3 vs 1). UN IGF's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Brain sells 2 in-app purchases, starting at $0.49 per month. UN IGF asks for nothing beyond the download.

Brain holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UN IGF ships an update fortnightly, Brain every 5 months. The most recent releases landed on October 12, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | UN IGF | Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/un-igf/id1592279307/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/brain-flex/id6747996094/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 102 MB | 56 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [United Nations](https://appshunter.io/developer/439971125) | [Heidi Green](https://appshunter.io/developer/1823794549) |

## What reviewers say

### UN IGF

[App page](https://appshunter.io/ios/app/un-igf/id1592279307)

This app helps users manage their IGF activity, including checking into sessions and events. It provides access to notifications, transcripts, videos, and reports.

**Highlights:** Check-in for IGF sessions, Attend IGF Village, Receive notifications, Access transcripts, View videos, Get reports

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

**In-app purchases:** none


### Brain

[App page](https://appshunter.io/ios/app/brain-flex/id6747996094)

Engage in a personal brain gym with fun mini-games designed to sharpen mental performance, improve focus, and aid memory. Track your progress and mood with self-measures, and target specific brain lobes for cognitive exercise. Ideal for daily mental workouts and rehabilitation support.

**Highlights:** Interactive games for focus and attention, Memory and processing speed improvement, Mood tracking with GAD-7 and PHQ-9, Targeted exercises for brain lobes, Personal progress tracking, Rehabilitation support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.49 | per month |
| Squeeze Your Brain | $0.99 | one-time |


## Frequently asked questions

### Is UN IGF free?

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

### Is Brain free?

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

### Which has better reviews, UN IGF or Brain?

Brain is rated higher. UN IGF averages 1.0 out of 5 from 1 ratings, while Brain averages 5.0 from 3 ratings.

### Do UN IGF or Brain have ads?

Brain shows ads; UN IGF does not.

### Which is updated more often, UN IGF or Brain?

UN IGF ships an update fortnightly, and Brain every 5 months. Most recently, UN IGF was updated on October 12, 2026 and Brain on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*