# DRUIDapp vs VIVOSUN

The clearest difference is rating: VIVOSUN at 4.7 against DRUIDapp's 3.9. VIVOSUN also leads on in-app purchases (none vs 2) and ratings volume (8.6K vs 168). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DRUIDapp sells 2 one-off in-app purchases. VIVOSUN asks for nothing beyond the download.

VIVOSUN holds the better App Store score, 4.7 against 3.9. That said, the two scores are not equally well evidenced: VIVOSUN has 8.6K ratings behind it against 168, so its average is the more settled of the two. Written reviews point the same way: 53% of DRUIDapp's written reviews are positive against 63% of VIVOSUN's.

DRUIDapp ships an update monthly, VIVOSUN fortnightly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DRUIDapp | VIVOSUN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (168 ratings)](https://appshunter.io/ios/app/druidapp/id1107595146/reviews) | **[4.7 (8.6K ratings)](https://appshunter.io/ios/app/vivosun/id1600813756/reviews)** |
| Number of ratings | 168 | **8.6K** |
| Positive reviews | 52.9% of reviews | **62.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 57 MB | 227 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Impairment Science, Inc.](https://appshunter.io/developer/1288634284) | [VIVOSUN INC](https://appshunter.io/developer/1600813758) |

## What reviewers say

### DRUIDapp

[App page](https://appshunter.io/ios/app/druidapp/id1107595146)

This app assesses cognitive and motor function impairment using neuroscience-based tests. It offers quick or benchmark assessments to detect impairment from various causes like drugs, alcohol, fatigue, or illness. A workplace version with management controls is also available.

**Highlights:** Cognitive and motor function assessment, 1-minute Rapid Test, 3-minute Benchmark Test, Detects impairment from various causes, Neuroscience-based technology, Workplace management controls available

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DRUID Premium | $1.99 | one-time |
| DRUID Premium | $14.99 | one-time |

**What reviewers like**

- 👍 Useful safety check
- 👍 Good for tracking tiredness
- 👍 Helps identify optimal performance times
- 👍 Useful for long drives
- 👍 Great support

**What reviewers complain about**

- 😞 Monthly fee required
- 😞 Inaccurate with cannabis use
- 😞 Not trusted for impairment detection
- 😞 Baseline scores seem incorrect
- 😞 Inaccessible for paraplegics

**Reported bugs**

- Inconsistent results with cannabis use
- Incorrect baseline scores
- Inaccessible for paraplegic users
- App not loading or working
- Subscription required after initial use

**Requested features**

- Accessibility options for physical disabilities
- Alternative tests for users with physical limitations
- More accurate detection for cannabis users
- Improved accuracy for baseline and impairment detection
- More affordable pricing model


### VIVOSUN

[App page](https://appshunter.io/ios/app/vivosun/id1600813756)

Automate and simplify plant care with this app. Monitor environmental conditions, manually control grow equipment, and track plant progress. It helps optimize growth and manage schedules for a better growing experience.

**Highlights:** Real-time environmental monitoring, Manual control of grow devices, Automated grow recipes, Climate tracking and insights, Growth logging and reminders, Secure plant diary with photos

**Features:** macOS Compatibility, Apple Wallet, SharePlay

**In-app purchases:** none

**What reviewers like**

- 🚀 Seamless connectivity
- 👍 Intuitive app interface
- 🔍 Comprehensive environment monitoring
- 💡 Helpful journal/logging feature
- 🛒 Convenient in-app purchasing

**What reviewers complain about**

- 🐛 Connectivity issues and disconnects
- 🔧 Confusing configuration and automation settings
- 🕰️ Inconsistent sync between app and hardware
- 🔍 Lack of advanced customization options
- 🔌 Compatibility issues with newer devices

**Reported bugs**

- Firmware update failures
- Inconsistent data display and syncing
- Recipes not saving correctly
- In-app purchasing problems

**Requested features**

- Add VPD control and automation
- Improve recipe/schedule management
- Implement a dashboard widget for quick monitoring
- Allow moving plants between gardens
- Enhance dark mode and UI customization


## Frequently asked questions

### Is DRUIDapp free?

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

### Is VIVOSUN free?

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

### Which has better reviews, DRUIDapp or VIVOSUN?

VIVOSUN is rated higher. DRUIDapp averages 3.9 out of 5 from 168 ratings, while VIVOSUN averages 4.7 from 8.6K ratings.

### Do DRUIDapp or VIVOSUN have ads?

Neither DRUIDapp nor VIVOSUN shows ads.

### Which is updated more often, DRUIDapp or VIVOSUN?

DRUIDapp ships an update monthly, and VIVOSUN fortnightly. Most recently, DRUIDapp was updated on October 23, 2026 and VIVOSUN on October 25, 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.*