A/B Audio vs ABSeq
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A/B Audio
This audio tool allows musicians and engineers to compare two audio mixes side-by-side to identify subtle differences and achieve the perfect sound. Easily load tracks from various cloud services and conduct blind tests to make informed decisions about your mixes.
- Side-by-side audio mix comparison
- Live switching between mixes
- Load tracks from Music library
- Support for iCloud Drive, Dropbox, Google Drive
- Blind test option
- Easy file sharing
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Calling all Musicians, Mixing professionals and Mastering engineers, this app is for you! A/B audio comparison is the go-to audio tool to achieve the perfect mix or master and is now available on your favorite iOS device. A/B Audio is perfect for switching live between two mixes or masters so you can instantly hear the changes you made. Loudness match your files with the tap of a button (loudness matching is based on integrated LUFS) for a fair comparison. *Does this mix need more bass? *Compression ratio needs tweaking? *Too much reverb? *Too less reverb? *More limiting? *More chorus? *More of everything :)??? Use A/B Audio to blast your mixes anywhere and compare your mixes in as many places and situations as you can to achieve the best sounding mix/master for your track. Load tracks via the Music library (excluding DRM protected content), Drag and Drop on iPad or use your favorite file sharing app. After deciding which mix or master is the absolute best easily share the file from within the app and let your friends or fellow band members know which version you prefer. We even added a ' Blind test' option to let your ears decide which mix is the best one!
ABSeq
This app allows music producers to compare up to four audio files simultaneously, with automatic loudness matching to ensure fair comparisons. It offers blind testing modes, detailed analysis tools like LUFS meters and spectrum analyzers, and supports various audio file formats. Sessions can be saved and reopened, with advanced features available through a Pro subscription.
- A/B audio comparison
- Automatic loudness matching (LUFS)
- Blind A/B testing
- LUFS meter and True Peak
- Live spectrum analyzer
- Sequencer for track stepping
- Car test and headphone check
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ABSeq is an A/B comparison tool for producers and mixing and mastering engineers. Load two to four versions of a mix, a master or a reference track and switch between them in sync. Auto Gain matches their loudness first, so the louder version can't win by default. COMPARE MIXES LEVEL-MATCHED • One large A/B key switches tracks without losing your place in the song • Auto Gain matches every track to the quietest one by integrated loudness (LUFS) • Compare a new mix with the last one, a master with the pre-master, or your song with a reference track BLIND A/B TEST • ABSeq hides which track is which and shuffles them every round • Pick the one you prefer in each round, for 1 to 50 rounds • At the end, ABSeq shows which mix you picked and how often • Every round is level-matched, so you're judging the mix and not the volume LUFS METER AND TRUE PEAK • Integrated LUFS and true peak (dBTP) on every track • How much Spotify, Apple Music, YouTube, Tidal, Amazon Music and Deezer will turn the track down SEE WHAT YOU HEAR • Live spectrum analyzer • Pro: loudness graph, tonal balance view and an A/B difference curve that shows where two mixes differ, band by band SEQUENCER • Steps through your tracks for you, in time with each file's detected tempo • Choose the beat division and step order, then just listen CAR TEST AND HEADPHONE CHECK • Keeps playing and switching with the screen locked • Lock-screen controls play, pause and switch tracks • Works over Bluetooth and wired headphones, speakers and car audio YOUR FILES, YOUR DEVICE • Opens WAV, AIFF, FLAC, MP3, M4A and AAC files from the Files app • Everything is analyzed on your device. No account, no tracking. • Save sessions and reopen them with their files in place • Designed for iPhone and iPad, with two-screen layouts on iPad and foldable iPhone ABSEQ PRO Comparing, level matching, blind tests, LUFS and the spectrum are free. Pro adds the loudness, tonal balance and A/B difference graphs, unlimited saved sessions (the free tier keeps 3) and iCloud sync of sessions and their audio across your devices. Pay once for Lifetime, or subscribe monthly. Payment is charged to your Apple Account at confirmation. Monthly renews automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel in Settings → Apple Account → Subscriptions. Terms: https://www.abseq.app/terms Privacy: https://www.abseq.app/privacy Help: https://www.abseq.app/help Support: https://www.abseq.app/support
Screenshots
Verdict
The clearest difference is price: ABSeq at Free against A/B Audio's $3.99. ABSeq also leads on update cadence (every 2 weeks vs every 2 months). A/B Audio's advantage is in-app purchases (none vs 2) and ads (none vs shown). On ratings volume 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
ABSeq is free to download; A/B Audio costs $3.99 up front. ABSeq sells 2 in-app purchases, starting at $2.99 per month. A/B Audio asks for nothing beyond the download.
A/B Audio holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews point the same way: 87% of A/B Audio's written reviews are positive against 75% of ABSeq's.
A/B Audio ships an update every 2 months, ABSeq every 2 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.
| Parameter | A/B Audio | ABSeq |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.3 (7 ratings) — better | 4.0 (4 ratings) |
| Positive reviews | 86.7% of reviews — better | 75.0% of reviews |
| Number of ratings | 7 — better | 4 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 4 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Andreas Kaspers | Mekina Software LLC |
Customer experience
A/B Audio
ABSeq
In-app purchases
A/B Audio
No in-app purchases
ABSeq
- ABSeq Pro Monthly$2.991 Month
- ABSeq Pro Lifetime$19.99









