Comparison

BackTrax vs BPM Detector

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

Head to head
About

BackTrax

Organize and manage all your show's supporting materials, including backing tracks, lyrics, and visual aids. Effortlessly load content from various cloud services and enjoy features like background playback and auto-scrolling lyrics to minimize mistakes and downtime during performances.

Highlights
  • Load songs from cloud services
  • Support for multiple set libraries
  • Background playback
  • Auto-scrolling lyrics
  • Bluetooth MIDI controller support
  • Dark Mode support
  • Large playback control buttons
Features
Read full description

BackTrax helps you organize the supporting materials for your show, and helps minimize mistakes and down time. It can load backing tracks along with lyrics, chord charts and other visual aids quickly and easily, whether you're running a pre-planned show in order or choosing material on the fly from an extensive library. Be sure to check out the manual to make sure the app does what you need and can fit your workflow: https://backtrax.app/docs/quickstart/ . Videos coming soon. FEATURES * Load songs from iTunes, iCloud, Dropbox, Box, Google Drive and other cloud services. * Support for multiple track/set libraries to separate materials for different bands. * Support for song entries with no backing track and optional click generation. * Per-song options for gain and start/stop times. * Background playback, so you can switch to a mixer app or guitar amp app while the backing track is playing. * Auto-scrolling lyrics and file attachment display for charts, notes, etc. * AirPlay support. * Bluetooth MIDI controller support. * Wide range of font size options for lyrics and set list. * Support for multiple sets per setlist. * Large displays for clock time, elapsed and remaining set times. * Stops playback after every song automatically, or optionally continuously plays straight through your setlist. * Dark Mode support, even on devices running iOS 12 and earlier. * Big, colorful playback control buttons at the bottom that are hard to miss. * Large progress bar and countdown timer let you know when the end of the currently playing song is coming. FEEDBACK Questions? Problems? Requests? Please hit the support link below or go to http://backtrax.app/support.html . Your feedback is always appreciated! Reviews are great, but direct contact is the best way to get answers to your questions and help with any problems. NEITHER THIS BACKTRAX MOBILE APPLICATION NOR AISLE4 SOFTWARE ARE IN ANY WAY AFFILIATED WITH THE RADIO PROGRAM 'BACKTRAX USA WITH KID KELLY', DIAL GLOBAL, INC. AND/OR ANY OF DIAL GLOBAL'S AFFILIATES, AND NONE OF THEM HAVE ENDORSED THE BACKTRAX MOBILE APPLICATION OR AISLE4 SOFTWARE.

About

BPM Detector

This application automatically detects the tempo (BPM) of any music or rhythm in real-time using your device's microphone. It offers features like song identification, detection history, and a visual BPM graph for precise timing analysis.

Highlights
  • Automatic BPM detection
  • Real-time tempo analysis
  • Shazam song identification
  • BPM detection history
  • Fullscreen BPM display
  • BPM variation graph
Features
Read full description

Any song. Any room. Instant BPM. Point your iPhone at the music and watch the tempo appear — automatically, in real time. No tapping. No guessing. BPM Detector listens through your mic and locks onto the beat of whatever's playing — a track, a live band, a drum loop, a record — and shows the BPM the moment it hears it. WHY YOU'LL LOVE IT • Zero tapping — the BPM just appears, and keeps updating live. • Real-time accuracy — watch the number lock in within seconds. • Made for how you work — DJs, producers, drummers, dancers, fitness instructors, and curious listeners. FEATURES • Automatic BPM detection — read the live tempo of any music or instrument, hands-free. • Shazam built in — grab the song title and artist while you read its BPM. • Apple Watch app — see the tempo right on your wrist. • Detection history — every reading saved with timestamp, track info, and BPM. Perfect for sets, rehearsals, and crate-digging. • Fullscreen mode — huge, high-contrast numbers you can read across the room. • Variation graph — see how steady the tempo holds, beat for beat. Open it, hear the music, get the BPM. That's it. Download BPM Detector and never guess a tempo again. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

BackTrax4 screens
BPM Detector3 screens

Verdict

The call

The clearest difference is price: BPM Detector at Free against BackTrax's $14.99. BPM Detector also leads on rating (4.3 vs 2.7) and review sentiment (61% vs 25%). BackTrax's advantage is in-app purchases (none vs 13) and ads (none vs shown). On device support 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

BPM Detector is free to download; BackTrax costs $14.99 up front. BPM Detector sells 12 in-app purchases, starting at $0.99 per month. BackTrax asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BPM Detector holds the better App Store score, 4.3 against 2.7. That said, the two scores are not equally well evidenced: BPM Detector has 267 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 25% of BackTrax's written reviews are positive against 61% of BPM Detector's.

UpkeepUpdate frequency

BackTrax ships an update monthly, BPM Detector every 3 days. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

Scorecard9 real differences · 1 level
BackTrax versus BPM Detector: the parameters behind the verdict, then further details
ParameterBackTraxBPM Detector
Price$14.99Free — better
Rating2.7 (12 ratings)4.3 (267 ratings) — better
Positive reviews25.0% of reviews60.8% of reviews — better
Number of ratings12267 — better
Update frequencyMonthlyEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS12.0 — better17.0
Further details — not scored
Size12 MB61 MB
Age rating4+4+
DeveloperAisle4 SoftwareQuentin Hayot

Customer experience

BackTrax

All ratings12 ratings
Positive33.3%
Neutral16.7%
Negative50.0%
Written reviews16 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

BPM Detector

All ratings265 ratings
Positive82.6%
Neutral3.0%
Negative14.3%
Written reviews102 reviews
Positive60.8%
Neutral5.9%
Negative33.3%

Bugs and requests

BackTrax

Not enough reviews yet to summarise bugs or requests.

BPM Detector

Reported bugs

9 issues
  • Ads cover screen and won't go away
  • Ads get stuck and cannot be exited
  • Music cuts out during detection
  • Inaccurate BPM for certain genres (e.g., drum and bass)
  • App gets hot on iPhone Pro
Show 4 more
  • BPM readings drop significantly after initial detection
  • Inappropriate advertisements (e.g., gambling)
  • App sometimes registers double BPM for slow tracks
  • Sensitivity settings don't detect subtle sounds

Requested features

8 requests
  • Apple Watch integration
  • Ableton Link support
  • Dark mode
  • Metronome function with click sound
  • DJ Tap Tempo feature
Show 3 more
  • Custom BPM detection range
  • Graph of last 30s BPM
  • Mac version

In-app purchases

None

BackTrax

No in-app purchases

12 purchases

BPM Detector

Subscriptions6
  • BPM Detector Pro$0.991 Month
  • BPM Detector Pro3 Days trial$0.991 Month
  • BPM Detector Pro$1.991 Month
Show 3 more
  • BPM Detector Pro Weekly7 Days trial$1.997 Days
  • BPM Detector Pro Weekly7 Days trial$2.997 Days
  • BPM Detector Pro Monthly$4.991 Month
One-time6
  • BPM Detector Pro 4 FriendsFree
  • BPM Detector Pro Unlimited$3.99
  • BPM Detector Pro Unlimited$4.99
Show 3 more
  • BPM Detector Pro Unlimited2 variants$7.99
  • BPM Detector Pro Lifetime$9.99
  • BPM Detector Pro Unlimited$12.99

Questions

Is BackTrax free?
BackTrax costs $14.99, with no in-app purchases.
Is BPM Detector free?
BPM Detector is free to download, with in-app purchases available.
Which has better reviews, BackTrax or BPM Detector?
BPM Detector is rated higher. BackTrax averages 2.7 out of 5 from 12 ratings, while BPM Detector averages 4.3 from 267 ratings.
Do BackTrax or BPM Detector have ads?
BPM Detector shows ads; BackTrax does not.
Which is updated more often, BackTrax or BPM Detector?
BackTrax ships an update monthly, and BPM Detector every 3 days. Most recently, BackTrax was updated on October 26, 2026 and BPM Detector on October 27, 2026.

Other comparisons