Comparison

Bark Filter vs Retrocord

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

Head to head
About

Bark Filter

This audio effect processor mimics the human ear's critical band filtering and compression. It offers a multi-band compressor with up to 27 bands for precise audio manipulation and analysis.

Highlights
  • Multi-band dynamic range compressor (up to 27 bands)
  • Variable number of compressor bands
  • Threshold, Ratio, Attack, Release, Makeup Gain controls
  • Linear phase precision filters
  • Real-time spectrum analyzer
  • AudioUnit (AUv3), Inter-app audio, and Audiobus 3 compatible
  • Low latency live usage
Features
Read full description

Bark Filter - Critical Band Analyser/Filter/Compressor The multi band filter in Bark takes the approach to match the reception characteristic of the gate where all sounds must pass through: the human ear. The ear behaves as if it contains a bank of filters, each filter passing frequencies within their respective critical band. Two tones apart more than the frequency dependant critical bandwidth are perceived as separate tones. For this reason Bark contains a filter bank with 27 very steep bandpass filters matching the critical bandwidth characteristic of the human ear. In fact, the human ear have also its own built in multi band compression system which are based on the critical bands. Why the name Bark ? The Bark scale is a frequency scale on which equal distances correspond with perceptually equal distances. Above about 500 Hz this scale is more or less equal to a logarithmic frequency axis. Below 500 Hz the Bark scale becomes more and more linear. Multiband compressors can act differently on different frequency bands. The advantage of multiband compression over full-bandwidth compression is that unneeded audible gain changes or "pumping" in other frequency bands is not caused by changing signal levels in a single frequency band. Bark can act both as single band compressor and with up to 27 bands in multiband mode by linking critical bands. The linear phase filter bank with its steep filter slopes can be used for unusually pronounced filter effects too... Features: • Multi band dynamic range compressor with up to 27 bands • Variable number of compressor bands (1..27) • Threshold/Ratio Attack/Release and Makeup Gain • Linear phase precision filters for maximal transparency • Real time pre/post processing calibrated spectrum analyser • AudioUnit for AUv3 compatible hosts. • Inter-app audio compatible effect. • Audiobus 3 compatible with state saving. • Low latency live usage with mic and headphones. • Audio recorder

About

Retrocord

Features
Read full description

Retrocord is a retroactive multitrack audio recorder. It works like a tape that's always recording from your selected input, so when you play something worth keeping, you can save the last few minutes — after the fact. How it works Choose your audio input and a buffer length. Retrocord records silently in the background. When you want to keep what you just played, tap a duration to capture. The audio lands in your library as a recording you can play back, edit, organize, and export. Multitrack support Retrocord records every channel your audio input exposes, each as its own track. Connect a class-compliant multichannel USB audio interface — such as the Focusrite Scarlett series or similar — and capture individual inputs as separate stems. Mute and solo tracks during playback, then export them to your DAW to mix and arrange later. Edit before you export Retrocord lets you shape a capture without leaving the app: - Trim — set start and end points against a recording to keep only the part that matters - Split — cut a capture in two at the playhead to create separate recordings - Gain — adjust level in 3 dB steps, up to ±24 dB Your library, on every device Recordings live in an organized library — sessions hold captures, captures hold tracks — with waveforms, names, and durations at a glance. Your library syncs privately across your iPhone, iPad, and Mac through your own iCloud account. Lossless, and smaller Captures are stored as Apple Lossless (ALAC) — full 24-bit, 48 kHz quality at roughly half the size of uncompressed WAV. When it's time to move audio out, export individual tracks or a flattened mix as ALAC or 24-bit WAV, with your trim and gain applied. Use cases - Capturing jams and improvisations without arming a DAW - Recording stems from multichannel audio interfaces - Field recording, where the moment you want has already passed by the time you'd hit record - Interviews and spoken word, where restarting a conversation to get a clean take isn't an option - Practice sessions, rehearsals, and songwriting where good ideas surface unpredictably Details - Works with any class-compliant USB audio interface - Also supports the built-in microphone on iPhone and iPad - Stereo pairing toggle for interleaved L/R channels - Per-track mute and solo during playback - Non-destructive trim, split, and gain - Apple Lossless (ALAC) storage; export to ALAC or 24-bit/48 kHz WAV - Private iCloud sync across your devices, through your own iCloud account - No third-party account, no analytics — your recordings are yours

Screenshots

Bark Filter3 screens
Retrocord4 screens

Verdict

The call

The clearest difference is price: Bark Filter at $3.99 against Retrocord's $19.99. Bark Filter also leads on iOS requirement (12.0 vs 18.0). Retrocord's advantage is update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases and 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

Bark Filter costs $3.99 and Retrocord $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Bark Filter ships an update every 3 months, Retrocord every 3 weeks. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

Scorecard3 real differences · 7 level
Bark Filter versus Retrocord: the parameters behind the verdict, then further details
ParameterBark FilterRetrocord
Price$3.99 — better$19.99
Rating4.8 (29 ratings) — better—
Positive reviews72.2% of reviews—
Number of ratings29 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.0
Further details — not scored
Size17 MB5 MB
Age rating4+4+
DeveloperHarry GohsRocamr Labs, LLC

In-app purchases

None

Bark Filter

No in-app purchases

None

Retrocord

No in-app purchases

Questions

Is Bark Filter free?
Bark Filter costs $3.99, with no in-app purchases.
Is Retrocord free?
Retrocord costs $19.99, with no in-app purchases.
Do Bark Filter or Retrocord have ads?
Neither Bark Filter nor Retrocord shows ads.
Which is updated more often, Bark Filter or Retrocord?
Bark Filter ships an update every 3 months, and Retrocord every 3 weeks. Most recently, Bark Filter was updated on October 11, 2026 and Retrocord on October 17, 2026.

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