Comparison

n vs EQ550b

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

Head to head
About

n

This music tool offers precise tempo control with a visual wheel or tap input. It supports various time signatures and can run in the background, allowing practice with other instrument apps. Additional features like vibration and camera flash are available via in-app purchase.

Highlights
  • Sample-accurate metronome
  • Visual metronome wheel
  • Tap tempo input
  • Background audio support
  • Import/export tempo tracks
  • Save and recall settings
  • Optional in-app purchase features
Features
Read full description

Never miss a beat with the sample accurate n-Track Metronome. Choose your tempo spinning the big metronome wheel or tapping with you finger. Practice with your instrument by setting the metronome to any tempo and time signature you want to use, from classical music to rock rhythms. Main features: • Extreme precision: higher than 1/40000 of a second • Turn the visual mode on to make the wheel flash with the tempo, very useful when you play in noisy places • Activate background audio to leave the metronome on while you play with some other instrument app • You can even easily import and export your tempo tracks to n-Track Studio for iOS, Mac and Windows via iTunes file sharing • Easily save and recall your settings with the touch of a button • The app includes a quick tutorial explaining the main user interface elements. Additional features available via in-app purchase: • Automate tempo and time signature changes, program full songs or exercise by automatically increasing the tempo as time progresses • Enable vibration on the beat • Enable camera flash light to follow the tempo • Add a reverb effect to the metronome sound or boost the metronome volume with an integrated audio limiter effect

About

EQ550b

This audio effect plugin emulates a classic American equalizer from the late 1960s, offering four bands of equalization with selectable frequencies and proportional Q. It provides a wide range of tonal variations for professional audio manipulation and can be used as a standalone app or an AUv3 plugin.

Highlights
  • Modeled vintage EQ
  • Four bands of equalization
  • Selectable frequency centers
  • Proportional Q filter
  • Stereo, Mid, or Side EQ modes
  • AUv3 plugin compatibility
Read full description

EQ550b AUv3 plug-in — comes as time-limited Demo-version for you to try. It gives you 5 minutes of Free play time. (You can reload the EQ550b AUv3 plug-in as many times as you want, thereby you get the Demo period again and again.) Unlimited version of EQ550b AUv3 plug-in comes as In-App Purchase. Based on Classic American EQ from the late '60s, the EQ550b is a continuation of the EQ that played a major role in the history of music recording, but with an additional filter band and several new frequencies. With a surprisingly wide range of tonal variations, the EQ550b is an invaluable and professional audio tool with great flexibility and excellent sonic ability. Features: • Standalone and AUv3 plug-in; • Precise port of Rack Extensions plug-in; • Modeled vintage EQ; • Four bands of classic American equalization; • Each band offers seven selected frequency centers; • 15 dB of boost/cut per band; • EQ band 1 and 4 offer shelf/peak switching; • Proportional Q narrows filter Q at extremes; • Stereo (Mono), Mid or Side EQ modes; • Undo/Redo; • A/B comparison; • 2x/4x/8x Upsampling; • Macro controllers; • Built-in Gain Match; • Scalable GUI. Rather than offer a huge assortment of complex features, the EQ550b provides exactly the right number of controls. Its four EQ bands are overlapped significantly to aid in dual roles as problem solver and sweetening device with each band offering seven switchable filter frequencies that span four-to-five octaves. These frequencies, purposely selected to be musical rather than numeric. Making use of Proportional Q intuitively widens the filter bandwidth at minimal settings and narrows it at higher settings without the need for additional bandwidth controls. This unique feature minimizes the «phase-shift» sound found in many equalizers. The EQ550b extends the features of the original hardware and joins the flexibility of the digital world to the character of the analog processing. Allows you to choose between equalizer modes (Stereo, Mid, Side) and remove analogue saturation from the processing circuit to deliver pure digital sound. To use EQ550b as a plug-in, you need an AUv3-compatible host app like GarageBand, Auria, AUM, Cubasis and more — EQ550b will appear in the list of Audio Unit extensions for effect plug-ins in the host app.

Screenshots

n4 screens
EQ550b4 screens

Verdict

The call

n and EQ550b both sit at 4.7 stars, but that hides the real split: 100% of EQ550b's written reviews are positive against 70% of n's. EQ550b also leads on update cadence (every 2 weeks vs every 6 months). n's advantage is ratings volume (121 vs 14) and iOS requirement (8.1 vs 10.0). On price, rating, ads 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. n sells 1 one-off in-app purchase and EQ550b sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for n against 4.8 for EQ550b. That said, the two scores are not equally well evidenced: n has 121 ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 70% of n's written reviews are positive against 100% of EQ550b's.

UpkeepUpdate frequency

n ships an update every 6 months, EQ550b every 2 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
n versus EQ550b: the parameters behind the verdict, then further details
ParameternEQ550b
PriceFreeFree
Rating4.7 (121 ratings)4.8 (14 ratings) — better
Positive reviews70.0% of reviews100.0% of reviews — better
Number of ratings121 — better14
Update frequencyEvery 6 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.1 — better10.0
Further details — not scored
Size45 MB19 MB
Age rating4+4+
Developern-Track S.r.l.RRS, OOO

Customer experience

n

All ratings121 ratings
Positive92.6%
Neutral5.0%
Negative2.5%
Written reviews40 reviews
Positive70.0%
Neutral12.5%
Negative17.5%

EQ550b

All ratings13 ratings
Positive92.3%
Neutral7.7%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

n

One-time1
  • n-Track Metronome Pro$2.99
1 purchases

EQ550b

One-time1
  • RRS EQ550b Unlimited$4.99

Questions

Is n free?
n is free to download, with in-app purchases available.
Is EQ550b free?
EQ550b is free to download, with in-app purchases available.
Which has better reviews, n or EQ550b?
EQ550b is rated higher. n averages 4.7 out of 5 from 121 ratings, while EQ550b averages 4.8 from 14 ratings.
Do n or EQ550b have ads?
Neither n nor EQ550b shows ads.
Which is updated more often, n or EQ550b?
n ships an update every 6 months, and EQ550b every 2 weeks. Most recently, n was updated on October 21, 2026 and EQ550b on October 24, 2026.

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