Comparison

Flat Equalizer FX vs Flat Equalizer

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

Head to head
About

Flat Equalizer FX

Easily connect and manage your Bluetooth speakers, play music, and fine-tune your audio. Generate test tones and white/pink noise to check your sound setup with a clean, intuitive interface.

Highlights
  • Bluetooth speaker connection and control
  • Music playback
  • Equalizer, volume, and bass adjustment
  • Test tone generation (sine, square, triangle, saw)
  • White and pink noise testing
  • Modern and easy-to-use interface
Features
Read full description

Your simple tool to connect, play, and test sound. This app helps you manage your music and explore test tones with ease. Connect to your Bluetooth speaker, play tracks directly, and control your sound with basic tools. You can also generate clean tones to check your audio setup. Key Features: • Connect and control Bluetooth speakers • Play music from supported devices • Adjust equalizer, volume, and bass • Generate sine, square, triangle, saw tones • Test white noise and pink noise • Modern, clean, and easy-to-use interface All functions work directly on your device. No extra accounts required. Subscription & Auto-Renewal Information - Plans start at $6.99 per week or $19.99 per month including a 3-day free trial - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period. The cost depends on the selected plan - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - Any unused portion of the free trial will be forfeited when the user purchases a subscription For more information: • App Center: https://sites.google.com/view/tta-app-center • Privacy Policy: https://sites.google.com/view/tta-app-center/privacy-policy • Terms of Use: https://sites.google.com/view/tta-app-center/term-of-use

About

Flat Equalizer

Enhance your audio with a professional music equalizer and powerful volume booster. Fine-tune tracks with custom presets or create your own settings. Experience immersive sound with advanced features for wired and wireless headphones.

Highlights
  • 10-band music equalizer
  • Headphone volume booster
  • Customizable EQ presets
  • Extra Boost feature
  • Bluetooth equalizer support
  • Save custom EQ settings
Features
Read full description

Unlock the true potential of your audio with Flat Equalizer, the ultimate sound tool for your device. Fine-tune your tracks with our professional-grade music equalizer and experience a powerful headphone volume booster that brings every beat to life. Our app works seamlessly as a headphone equalizer and supports wireless connections with our equalizer bluetooth technology. Whether you need an audio booster for clarity or a robust sound booster for impact, our app delivers unparalleled control. Transform your listening experience with Headphone Equalizer, the all-in-one audio booster and sound enhancement suite. Dive deep into your music library and take full control with our advanced 10-band equalizer, a perfect tool as a dedicated headphone booster. Our powerful music equalizer comes with built-in presets like Rock and Full Bass, or you can create and save your own custom settings for any genre, making it the ultimate tool for audiophiles. Not just an equalizer, this app is also a formidable headphone volume booster. Feel the energy with our "Extra Boost" feature, a powerful sound booster that elevates your music to new heights without distortion. This incredible headphone booster makes every song more immersive, especially when using our advanced headphone equalizer. The powerful combination ensures crystal-clear audio even over wireless connections, making it the best equalizer bluetooth on the market. Take your audio from flat to fantastic with the ultimate enhancement tool. Download Headphone Equalizer now and hear the difference!

Screenshots

Flat Equalizer FX4 screens
Flat Equalizer4 screens

Verdict

The call

The clearest difference is review sentiment: Flat Equalizer at 88% against Flat Equalizer FX's 0%. Flat Equalizer also leads on monetization model (free with in-app purchases vs subscription). Flat Equalizer FX's advantage is update cadence (every 2 days vs fortnightly). On price, 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

Both are free to download. Flat Equalizer FX sells 2 in-app purchases, starting at $6.99 per 7 days and Flat Equalizer sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Flat Equalizer FX ships an update every 2 days, Flat Equalizer fortnightly. The most recent releases landed on September 14, 2026 and September 16, 2026 respectively.

Scorecard3 real differences · 7 level
Flat Equalizer FX versus Flat Equalizer: the parameters behind the verdict, then further details
ParameterFlat Equalizer FXFlat Equalizer
PriceFreeFree
Rating4.2 (109 ratings) — better—
Positive reviews0.0% of reviews88.2% of reviews — better
Number of ratings109 — better—
Update frequencyEvery 2 days — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.4 — better17.6
Further details — not scored
Size8 MB11 MB
Age rating4+4+
DeveloperThuy An TruongMd Milon Hossain

Customer experience

Flat Equalizer FX

All ratings109 ratings
Positive77.1%
Neutral4.6%
Negative18.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Flat Equalizer

Written reviews17 reviews
Positive88.2%
Neutral0.0%
Negative11.8%

In-app purchases

2 purchases

Flat Equalizer FX

Subscriptions2
  • Premium Access Weekly$6.997 Days
  • Premium Access Monthly3 Days trial$19.991 Month
4 purchases

Flat Equalizer

Subscriptions2
  • Weekly3 Days trial$2.997 Days
  • Yearly3 Days trial$99.001 Year
One-time2
  • Lifetime$9.99
  • Lifetime$29.99

Questions

Is Flat Equalizer FX free?
Flat Equalizer FX is free to download, with in-app purchases available.
Is Flat Equalizer free?
Flat Equalizer is free to download, with in-app purchases available.
Do Flat Equalizer FX or Flat Equalizer have ads?
Neither Flat Equalizer FX nor Flat Equalizer shows ads.
Which is updated more often, Flat Equalizer FX or Flat Equalizer?
Flat Equalizer FX ships an update every 2 days, and Flat Equalizer fortnightly. Most recently, Flat Equalizer FX was updated on September 14, 2026 and Flat Equalizer on September 16, 2026.

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