# undergroundgr vs Cognition Daily

The clearest difference is update cadence: Cognition Daily at every 6 days against undergroundgr's every 6 months. undergroundgr's advantage is iOS requirement (15.6 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for undergroundgr against 5.0 for Cognition Daily. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

undergroundgr ships an update every 6 months, Cognition Daily every 6 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | undergroundgr | Cognition Daily |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/undergroundgr/id6741105047/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cognition-daily/id6789218350/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 days** |
| Monetization | Free | Free |
| Size | 32 MB | 21 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [320 Futal Training L.L.C.](https://appshunter.io/developer/1793091308) | [DayDream Technologies LLC](https://appshunter.io/developer/6789218352) |

## What reviewers say

### undergroundgr

[App page](https://appshunter.io/ios/app/undergroundgr/id6741105047)

Easily book fitness classes and manage your membership from your device. Make reservations, join waitlists, and check your profile status on the go.

**Highlights:** Book fitness classes, Manage membership, Join waitlists, Check profile status, Make reservations

**Features:** macOS Compatibility

**In-app purchases:** none


### Cognition Daily

[App page](https://appshunter.io/ios/app/cognition-daily/id6789218350)

Build and maintain healthy habits for brain wellness. Track activity, diet, sleep, mindfulness, and social connection to monitor your Brain Health Score. Engage in brain games and use screening tools for self-awareness, with daily tips and resources provided.

**Highlights:** Brain Health Score tracking, Automatic data sync with Apple Health, Brain games (Memory, Sudoku, Word Search), Self-report screening questionnaires, Daily evidence-based tips, Accessibility features (text size, OpenDyslexic font), Private data handling

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

**In-app purchases:** none


## Frequently asked questions

### Is undergroundgr free?

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

### Is Cognition Daily free?

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

### Which has better reviews, undergroundgr or Cognition Daily?

undergroundgr and Cognition Daily are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do undergroundgr or Cognition Daily have ads?

Neither undergroundgr nor Cognition Daily shows ads.

### Which is updated more often, undergroundgr or Cognition Daily?

undergroundgr ships an update every 6 months, and Cognition Daily every 6 days. Most recently, undergroundgr was updated on October 24, 2026 and Cognition Daily on October 16, 2026.

---

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