# SubStreamer vs flo

The clearest difference is in-app purchases: SubStreamer at none against flo's 3. SubStreamer also leads on rating (4.0 vs 3.7) and update cadence (every 2 weeks vs every 5 weeks). flo's advantage is device support (4 vs 2). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. flo sells 3 one-off in-app purchases. SubStreamer asks for nothing beyond the download.

SubStreamer holds the better App Store score, 4.0 against 3.7. That said, the two scores are not equally well evidenced: SubStreamer has 131 ratings behind it against 26, so its average is the more settled of the two. Written reviews point the same way: 72% of SubStreamer's written reviews are positive against 65% of flo's.

SubStreamer ships an update every 2 weeks, flo every 5 weeks. The most recent releases landed on September 22, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | SubStreamer | flo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (131 ratings)](https://appshunter.io/ios/app/substreamer/id1012991665/reviews)** | [3.7 (26 ratings)](https://appshunter.io/ios/app/flo-navidrome-client/id6529533140/reviews) |
| Number of ratings | **131** | 26 |
| Positive reviews | **72.4% of reviews** | 64.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 54 MB | 22 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Gaven Henry](https://appshunter.io/developer/925249622) | [Fariz Rizaldy](https://appshunter.io/developer/1756459655) |

## What reviewers say

### SubStreamer

[App page](https://appshunter.io/ios/app/substreamer/id1012991665)

Access and stream your personal music library from a Subsonic-compatible server on your mobile device. Enjoy offline playback, personalized mixes, and detailed listening analytics without ads or subscriptions.

**Highlights:** Stream and download music library, Offline listening with background processing, Personalized smart mixes, Listening analytics and scrobbling, Playlist and library management, Background playback with lock screen controls, Open source

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

**In-app purchases:** none

**What reviewers like**

- 🎨 Beautiful and modern UI design
- ⚡ Clean, intuitive interface
- 🎵 Excellent Navidrome server compatibility
- 📱 Works seamlessly with self-hosted music servers
- 🔄 Reliable background playback functionality

**What reviewers complain about**

- 🐛 Frequent playback failures and stalling
- 🐛 Random crashes during playback
- 🐛 Scrobbling not working reliably
- 🐛 Large file playback issues (10MB+)
- 🐛 AirPlay/Apple TV streaming broken

**Reported bugs**

- Songs fail to play without double-pressing play button
- Playback stops with 4 seconds remaining in track
- Skipping back crashes the app
- Large files (10MB+) require pause-then-play to start
- Scrobbling fails despite server support

**Requested features**

- CarPlay support for in-car use
- Traditional Chinese language support
- Simplified Chinese language support
- All-songs library view (not just albums/artists)
- Lyrics API integration


### flo

[App page](https://appshunter.io/ios/app/flo-navidrome-client/id6529533140)

Stream your music library from a Navidrome server with this client. Enjoy offline playback, gapless audio, and support for various formats. Browse your collection, shuffle, repeat, and more, all while saving battery and bandwidth.

**Highlights:** Offline playback, Gapless playback, Supports multiple audio formats, Browse music collection, Shuffle and repeat, Album cover art, Lock-screen integration

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $1.99 | one-time |
| Lunch | $4.99 | one-time |
| Dinner | $9.99 | one-time |


## Frequently asked questions

### Is SubStreamer free?

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

### Is flo free?

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

### Which has better reviews, SubStreamer or flo?

SubStreamer is rated higher. SubStreamer averages 4.0 out of 5 from 131 ratings, while flo averages 3.7 from 26 ratings.

### Do SubStreamer or flo have ads?

Neither SubStreamer nor flo shows ads.

### Which is updated more often, SubStreamer or flo?

SubStreamer ships an update every 2 weeks, and flo every 5 weeks. Most recently, SubStreamer was updated on September 22, 2026 and flo on September 16, 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.*