# Flowing 2 ~ Sleep Sounds Relax vs Flex Scanner

The clearest difference is review sentiment: Flowing 2 ~ Sleep Sounds Relax at 85% against Flex Scanner's 33%. Flowing 2 ~ Sleep Sounds Relax also leads on in-app purchases (none vs 3) and rating (4.7 vs 4.5). Flex Scanner's advantage is price (Free vs $9.99) and update cadence (every 9 days vs monthly). On ads, device support and iOS requirement there is nothing between them.

Flex Scanner is free to download; Flowing 2 ~ Sleep Sounds Relax costs $9.99 up front. Flex Scanner sells 3 in-app purchases, starting at $0.99 per 7 days. Flowing 2 ~ Sleep Sounds Relax asks for nothing beyond the download.

Flowing 2 ~ Sleep Sounds Relax holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Flowing 2 ~ Sleep Sounds Relax has 146 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 85% of Flowing 2 ~ Sleep Sounds Relax's written reviews are positive against 33% of Flex Scanner's.

Flowing 2 ~ Sleep Sounds Relax ships an update monthly, Flex Scanner every 9 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Flowing 2 ~ Sleep Sounds Relax | Flex Scanner |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.7 (146 ratings)](https://appshunter.io/ios/app/flowing-2-sleep-sounds-relax/id1304310941/reviews)** | [4.5 (24 ratings)](https://appshunter.io/ios/app/flex-scanner-pdf-scanner/id1521904431/reviews) |
| Number of ratings | **146** | 24 |
| Positive reviews | **85.1% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Paid | **Freemium** |
| Size | 134 MB | 32 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Franz Bruckhoff](https://appshunter.io/developer/399345216) | [Coftivo Teknoloji LTD](https://appshunter.io/developer/1730111773) |

## What reviewers say

### Flowing 2 ~ Sleep Sounds Relax

[App page](https://appshunter.io/ios/app/flowing-2-sleep-sounds-relax/id1304310941)

Immerse yourself in high-quality nature soundscapes with advanced 3D audio for better sleep and focus. Mix ambient sounds and music for a personalized relaxation experience.

**Highlights:** High-quality nature soundscapes, Advanced 3D neural audio, Mixable nature sounds and music, Adjustable fade-out and sleep timer, Background audio support, Taptanium™ certified audio quality

**In-app purchases:** none

**What reviewers like**

- ✨ High-quality sound recordings
- 🎧 Excellent spatial audio experience
- 🎨 Beautiful and eye-pleasing GUI
- 🌳 Nature scenes are lovely
- 🧘‍♀️ Relaxing and transports users

**What reviewers complain about**

- 👎 Sound quality worse than Flowing 1
- 📉 Perceived step backward from Flowing 1
- 💸 Regretful purchase due to perceived downgrade
- 💧 Battery drain issues
- 📱 App drains battery in background

**Reported bugs**

- App drains battery in background
- App continues to run in background after pausing
- iPad Pro gets very hot rapidly
- Feature to remove options from screen removed

**Requested features**

- Airplay 2 support for HomePod
- Ability to project sound via Airplay
- Add thunder and lightning sound
- Dark cyberpunk or Harry Potter library themes
- Support for portrait mode


### Flex Scanner

[App page](https://appshunter.io/ios/app/flex-scanner-pdf-scanner/id1521904431)

Transform your smartphone into a portable scanner with advanced OCR technology. Capture, store, and share documents in various formats like PDF, JPG, and TXT. Organize, edit, and secure your files with ease.

**Highlights:** Mobile document scanning, OCR text recognition, Multiple export formats (PDF, JPG, TXT), Document collaboration and sharing, File organization and password protection, Electronic signature integration

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $1.99 | per month |
| Life Time | $9.99 | one-time |


## Frequently asked questions

### Is Flowing 2 ~ Sleep Sounds Relax free?

Flowing 2 ~ Sleep Sounds Relax costs $9.99, with no in-app purchases.

### Is Flex Scanner free?

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

### Which has better reviews, Flowing 2 ~ Sleep Sounds Relax or Flex Scanner?

Flowing 2 ~ Sleep Sounds Relax is rated higher. Flowing 2 ~ Sleep Sounds Relax averages 4.7 out of 5 from 146 ratings, while Flex Scanner averages 4.5 from 24 ratings.

### Do Flowing 2 ~ Sleep Sounds Relax or Flex Scanner have ads?

Neither Flowing 2 ~ Sleep Sounds Relax nor Flex Scanner shows ads.

### Which is updated more often, Flowing 2 ~ Sleep Sounds Relax or Flex Scanner?

Flowing 2 ~ Sleep Sounds Relax ships an update monthly, and Flex Scanner every 9 days. Most recently, Flowing 2 ~ Sleep Sounds Relax was updated on October 26, 2026 and Flex Scanner on October 24, 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.*