Comparison

flo vs B21 Stage Time

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

flo

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
Read full description

While it is still in early development, it provides all the essential features for streaming music from your Navidrome Music Server. It also supports offline playback to save battery and bandwidth especially if you travel a lot like me! WHY FLO FOR NAVIDROME CLIENT? • Plays most audio formats (FLAC, AAC, ALAC, MP3, MP4 and more) without transcoding • Gapless playback • Mini player • Track seeking • Streams over 3G/4G/5G/WiFi • Bluetooth Audio/AirPlay support • Remembers your playlist from the last session • Browse music collection • Shuffle and repeat • Album cover art • Lock-screen integration I will add more essential and 'nice-to-have' features as it progresses, as I use this app almost every day: every time I plug in AirPods! LOVE FLO? • Star us on GitHub: https://github.com/kepelet/flo • Follow us on GitHub: https://github.com/kepelet Requirements: • Note that for SSL support you must have a valid certificate. Invalid certificates will cause connection errors. • Important: flo is compatible with standalone Navidrome servers only. • Get Navidrome Music Server at: https://www.navidrome.org/

About

B21 Stage Time

A powerful audio player for live musicians, offering reliable and instant control over sound during performances. Its clean, high-contrast interface ensures readability in any lighting, with simple controls for quick access.

Highlights
  • Fast, responsive audio playback
  • Optimized for live performance
  • High-contrast UI
  • Adaptive light & dark modes
  • Intuitive, simple controls
  • Stable and reliable performance
Features
Read full description

B21 Stage Time is a powerful, no-nonsense audio player designed specifically for live musicians. Whether you're performing solo, in a band, or running backing tracks for a full production, B21 gives you reliable, instant control over your sound, right when it matters most. On stage, there’s no room for hesitation. B21 Stage Time is built for speed, clarity, and confidence, with a clean interface that stays readable under any lighting conditions. From bright daylight gigs to dark venues, its adaptive light and dark modes ensure you never miss a cue. Key Features: Fast, responsive playback with zero distractions Optimized for live performance environments High-contrast UI for visibility on dark stages and bright setups Seamless light & dark mode support Simple, intuitive controls - no digging through menus mid-set Stable, reliable performance you can trust on stage Designed for Musicians: B21 Stage Time focuses on what performers actually need: quick access, dependable playback, and a layout that works under pressure. No clutter, no unnecessary features, just a tool that works when the spotlight is on. Why B21 Stage Time? Because live performance demands precision. B21 Stage Time helps you stay locked in, on time, and in control every set, every song.

Screenshots

flo4 screens
B21 Stage Time1 screens

Verdict

The call

The clearest difference is in-app purchases: B21 Stage Time at none against flo's 3. B21 Stage Time also leads on review sentiment (100% vs 65%). flo's advantage is update cadence (every 5 weeks vs every 4 months) and device support (4 vs 1). On price, ads, monetization model and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. flo sells 3 one-off in-app purchases. B21 Stage Time asks for nothing beyond the download.

UpkeepUpdate frequency

flo ships an update every 5 weeks, B21 Stage Time every 4 months. Both last shipped on October 30, 2026.

Scorecard4 real differences · 6 level
flo versus B21 Stage Time: the parameters behind the verdict, then further details
ParameterfloB21 Stage Time
PriceFreeFree
Rating3.8 (28 ratings) — better—
Positive reviews65.3% of reviews100.0% of reviews — better
Number of ratings28 — better—
Update frequencyEvery 5 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone
Requires iOS16.0 — better16.6
Further details — not scored
Size22 MB72 MB
Age rating4+4+
DeveloperFariz RizaldyD4VINDER LTD

Customer experience

flo

All ratings27 ratings
Positive66.7%
Neutral11.1%
Negative22.2%
Written reviews49 reviews
Positive65.3%
Neutral10.2%
Negative24.5%

B21 Stage Time

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

flo

One-time3
  • Coffee$1.99
  • Lunch$4.99
  • Dinner$9.99
None

B21 Stage Time

No in-app purchases

Questions

Is flo free?
flo is free to download, with in-app purchases available.
Is B21 Stage Time free?
B21 Stage Time is free to download, with no in-app purchases.
Do flo or B21 Stage Time have ads?
Neither flo nor B21 Stage Time shows ads.
Which is updated more often, flo or B21 Stage Time?
flo ships an update every 5 weeks, and B21 Stage Time every 4 months. Most recently, flo was updated on October 30, 2026 and B21 Stage Time on October 30, 2026.

Other comparisons