Comparison

BeatLab vs SUS4 Chord ID

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

Head to head
About

BeatLab

This app offers a professional metronome and beat sequencer for musicians. Customize click sounds, create custom rhythm patterns, and track your practice sessions for improved timing and tempo control.

Highlights
  • Pro-grade metronome with stable timing
  • Powerful beat sequencer for custom patterns
  • Custom sound library with own samples
  • Musical groove engine with multiple tones
  • Practice tracking for consistency monitoring
  • Supports all instruments and music creators
Features
Read full description

BeatLab is a professional rhythm and timing app built for musicians and creators. It combines a precision metronome with a powerful beat sequencer — now with custom sound support, so every click feels like yours, not a factory beep. Designed for accuracy, flexibility, and musical feel, BeatLab gives you full control over BPM, subdivisions, accents, time signatures, custom rhythm patterns, and your own sound packs — all in one streamlined workflow. Whether you're a beginner, drummer, guitarist, DJ, producer, or beat maker, BeatLab helps you develop solid timing and confident tempo control. Key Features - Pro-Grade Metronome A high-precision metronome with stable timing and low latency. Easily adjust BPM, time signatures, accents, and subdivisions for accurate daily practice. - Powerful Beat Sequencer Create custom rhythm patterns and grooves with an intuitive sequencer. Arrange beats, experiment with patterns, and refine your tempo control. - Custom Sound Library (NEW) Pick from a curated library of click sounds — wood blocks, claves, kicks, snaps, voice counts — or bring your own audio to personalize every session. Built-in preview, search, and slot assignment. - Musical Groove Engine Multiple built-in tones plus your own samples, so the metronome feels musical instead of mechanical. - Practice Tracking Track your BPM usage and session activity to monitor consistency and long-term improvement. - Built for Every Instrument Perfect for piano, guitar, drums, bass, ukulele, DJs, producers, and anyone who relies on precise rhythm control. Subscription Plans Weekly: $0.99 Monthly: $1.99 Yearly: $3.99 Lifetime Purchase: $9.99 Weekly, Monthly, and Yearly plans auto-renew unless canceled at least 24 hours before the end of the current period. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions can be managed or canceled in iOS Settings → Apple ID → Subscriptions. Terms of Service https://htmlpreview.github.io/?https://github.com/ozy1000/page/blob/main/agreement.html Privacy Policy https://htmlpreview.github.io/?https://github.com/ozy1000/page/blob/main/Privacy.html

About

SUS4 Chord ID

Identify chords by playing them into your device's microphone or by tapping notes on a virtual keyboard. It recognizes ten chord types and offers guitar fingerings. Save your progressions with notes for future reference.

Highlights
  • Microphone chord detection
  • Virtual keyboard input
  • Ten chord types recognized
  • Guitar fingerings
  • Saved chord history with notes
  • On-device processing
Features
Read full description

Play a chord into the mic and see its name, with the top three matches and how sure it is. Or tap the notes on the built-in keyboard. Fully on-device: no cloud, no account. Chord ID knows ten chord types: major, minor, dominant 7th, major 7th, minor 7th, diminished, augmented, sus2, sus4 and power chords. Save the chords you want to keep, add a note, and you have a record of the progression you were working on. • Mic detection with the top three candidates and a confidence for each • A keyboard for tapping notes in • Ten chord types, from triads to 7ths and sus chords • Guitar fingerings for common open chords • A saved history with notes For guitarists working out a song, pianists checking a voicing, and theory students. Everyone gets a few identifications a day. Pro, or SUS4 All-Access across the whole range, removes the daily limit. Made in the UK by working musicians. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

BeatLab4 screens
SUS4 Chord ID4 screens

Verdict

The call

The clearest difference is rating: BeatLab at 5.0 against SUS4 Chord ID's 1.0. SUS4 Chord ID's advantage is ads (none vs shown). On price, ratings volume, update cadence and in-app purchases 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. BeatLab sells 4 in-app purchases, starting at $0.99 per 7 days and SUS4 Chord ID sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

BeatLab holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. Both last shipped on November 9, 2026.

Scorecard2 real differences · 7 level
BeatLab versus SUS4 Chord ID: the parameters behind the verdict, then further details
ParameterBeatLabSUS4 Chord ID
PriceFreeFree
Rating5.0 (2 ratings) — better1.0 (1 ratings)
Number of ratings2 — better1
Update frequencyFortnightlyFortnightly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Mac, Apple Watch — better
Requires iOS17.616.0 — better
Further details — not scored
Size123 MB30 MB
Age rating4+4+
Developer辉豹 张ThePaulSmith

Customer experience

BeatLab

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

SUS4 Chord ID

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

4 purchases

BeatLab

Subscriptions3
  • Weekly Subscription$0.997 Days
  • Monthly Subscription3 Days trial$1.991 Month
  • Yearly Subscription7 Days trial$3.991 Year
One-time1
  • Permanent Unlock$9.99
10 purchases

SUS4 Chord ID

Subscriptions8
  • SUS4 Chord ID Pro Monthly7 Days trial$2.991 Month
  • SUS4 All-Access7 Days trial$4.391 Month
  • SUS4 All-Access7 Days trial$5.991 Month
Show 5 more
  • SUS4 All-Access7 Days trial$7.991 Month
  • SUS4 All-Access Annual7 Days trial$19.991 Year
  • SUS4 All-Access Annual7 Days trial$26.991 Year
  • SUS4 All-Access Annual7 Days trial$35.991 Year
  • SUS4 All-Access Annual7 Days trial$51.991 Year
One-time2
  • SUS4 Chord ID Lifetime$54.99
  • SUS4 Chord ID Lifetime$103.99

Questions

Is BeatLab free?
BeatLab is free to download, with in-app purchases available.
Is SUS4 Chord ID free?
SUS4 Chord ID is free to download, with in-app purchases available.
Which has better reviews, BeatLab or SUS4 Chord ID?
BeatLab is rated higher. BeatLab averages 5.0 out of 5 from 2 ratings, while SUS4 Chord ID averages 1.0 from 1 ratings.
Do BeatLab or SUS4 Chord ID have ads?
BeatLab shows ads; SUS4 Chord ID does not.
Which is updated more often, BeatLab or SUS4 Chord ID?
BeatLab ships an update fortnightly, and SUS4 Chord ID fortnightly. Most recently, BeatLab was updated on November 9, 2026 and SUS4 Chord ID on November 9, 2026.

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