Comparison

Bass Booster・Sound Equalizer vs SpotEQ31

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

Head to head
About

Bass Booster・Sound Equalizer

Enhance your music with powerful bass and precise audio adjustments. This app offers a 10-band equalizer, custom playlist creation, and real-time volume control for a richer listening experience.

Highlights
  • Strengthen bass frequencies
  • 10-band equalizer adjustment
  • Create and organize playlists
  • Import songs for playback
  • Real-time volume control
  • Enhance existing tracks
Features
Read full description

Bring more depth, power, and control to your music. Bass Booster helps you enhance low frequencies, fine-tune audio, and manage playback from one convenient app. With the app, you can: - Strengthen bass for a fuller, more immersive sound - Adjust audio using a detailed 10-band equalizer - Create and organize playlists from your music library - Import songs for quick and convenient playback - Control volume with precise real-time adjustments - Enhance tracks from your existing music collection Customize every track to match your listening preferences and enjoy richer sound with simple, flexible audio tools. Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable. Terms of Use & Privacy Policy: https://docs.google.com/document/d/1p2g6CyXHY8RuJbYdJvsK-VcyqdC3nhL3K0VlVJDOUFg/edit?usp=sharing https://docs.google.com/document/d/1gAhIZ_FNkttKnfm1I_1VZjSf7f9hBGXPok-WIvgFx0E/edit?usp=sharing

About

SpotEQ31

Features
Read full description

SpotEQ31 — Professional 7-31 Band Equalizer Take complete control of your sound with one of the most precise equalizers on the App Store. Whether you're a casual listener, an audio enthusiast, or someone compensating for hearing loss, SpotEQ31 gives you the tools to shape audio exactly the way you want. WHAT MAKES SPOTEQ31 UNIQUE: DOUBLE-SIDED EQ Unlike standard equalizers, SpotEQ31 lets you pinpoint a specific frequency band for the LEFT or RIGHT ear independently. This is a game-changer for: • Users with asymmetric hearing loss • People with one ear more sensitive than the other • Headphones with uneven left/right frequency response • Audio enthusiasts who need surgical precision Few other consumer equalizers offer this level of per-side control. CHOOSE YOUR PRECISION Pick the band count that fits your needs: • 7 bands — quick adjustments • 11, 15, or 21 bands — everyday fine-tuning • 31 bands — studio-grade control • Unlock up to 41 bands with custom set frequency bands Adjustable Hz configurations let you decide exactly which frequencies each band targets. BUILT-IN MEDIA & PODCAST PLAYER SpotEQ31 includes a full media player and podcast browser, so you can enjoy your music and shows with your custom EQ applied — no extra app required. Search podcasts, build playlists, and listen with your sound, tuned your way. CORE FEATURES (FREE) • Multi-band parametric equalizer (7-31 bands) • Multiple built-in sound presets • Audio visualizer • Balance control • Pre-gain volume boost • Media player, podcasts, music library, 3 custom playlists BASIC FEATURES (ONE-TIME PURCHASE) Unlock more power without a subscription: • Remove all ads • Save 3 custom presets • Custom Hz configuration (up to 41 bands) • Fine-tune dB • Custom color theme • Setup a EQ starting point from audiogram values • EQ bands control lock • Reset and copy preset tools • Left/right channel mirroring • Use on multiple devices via your Apple ID PREMIUM SUBSCRIPTION For power users who want everything: • Unlimited custom presets • Unlimited Hz EQ configurations • Auto-switch presets when headphones connect • Unlimited media player, playlists and downloads • Increased dB range (up to +/- 40 dB on each band, pre-gain and balance) • Export and import presets • Configurable audio visualizer • Advanced audio effects (reverb, bass boost, 3D sound/virtualizer) • Limiter • Multi-band compressor WHO IS SPOTEQ31 FOR? • Music lovers who want better sound from any headphones • People with hearing loss seeking personalized compensation • Audio enthusiasts and home studio users • Podcast listeners wanting clearer voice playback • Anyone tired of factory-tuned sound WHY SPOTEQ31? Most equalizers give you a single curve applied to both ears. SpotEQ31 recognizes that ears — and headphones — are rarely perfectly matched. By letting you tune each side independently, SpotEQ31 delivers a personalized listening experience no preset alone can match. Combined with 31 bands of resolution, it's a tool serious listeners have been asking for. PRIVACY & SUPPORT We respect your privacy. SpotEQ31 collects only what is needed to deliver the service. Subscription and one-time purchases are handled securely through the App Store. For questions, feedback, or feature requests, reach us via the in-app support link, email or visit spoteq31.com. Download SpotEQ31 now and rediscover your music — one band at a time.

Screenshots

Bass Booster・Sound Equalizer4 screens
SpotEQ314 screens

Verdict

The call

The clearest difference is ads: Bass Booster・Sound Equalizer at none against SpotEQ31's shown. Bass Booster・Sound Equalizer also leads on rating (4.4 vs 4.0) and ratings volume (7 vs 1). SpotEQ31's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (16.6 vs 18.6). On price, 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. Bass Booster・Sound Equalizer sells 3 in-app purchases, starting at $5.99 per 7 days and SpotEQ31 sells 2 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

Bass Booster・Sound Equalizer holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Bass Booster・Sound Equalizer has 7 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Bass Booster・Sound Equalizer ships an update every 2 weeks, SpotEQ31 weekly. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

Scorecard5 real differences · 4 level
Bass Booster・Sound Equalizer versus SpotEQ31: the parameters behind the verdict, then further details
ParameterBass Booster・Sound EqualizerSpotEQ31
PriceFreeFree
Rating4.4 (7 ratings) — better4.0 (1 ratings)
Number of ratings7 — better1
Update frequencyEvery 2 weeksWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad — better
Requires iOS18.616.6 — better
Further details — not scored
Size33 MB58 MB
Age rating4++12
DeveloperNicola BrauerLeanderCreative AB

In-app purchases

3 purchases

Bass Booster・Sound Equalizer

Subscriptions3
  • Bass Booster・Sound Equalizer3 Days trial$5.997 Days
  • Bass Booster・Volume Equalizer$5.997 Days
  • Bass Booster・Volume Equalizer$9.991 Month
2 purchases

SpotEQ31

Subscriptions1
  • Premium Subscription$2.991 Month
One-time1
  • Basic Features$9.99

Questions

Is Bass Booster・Sound Equalizer free?
Bass Booster・Sound Equalizer is free to download, with in-app purchases available.
Is SpotEQ31 free?
SpotEQ31 is free to download, with in-app purchases available.
Which has better reviews, Bass Booster・Sound Equalizer or SpotEQ31?
Bass Booster・Sound Equalizer is rated higher. Bass Booster・Sound Equalizer averages 4.4 out of 5 from 7 ratings, while SpotEQ31 averages 4.0 from 1 ratings.
Do Bass Booster・Sound Equalizer or SpotEQ31 have ads?
SpotEQ31 shows ads; Bass Booster・Sound Equalizer does not.
Which is updated more often, Bass Booster・Sound Equalizer or SpotEQ31?
Bass Booster・Sound Equalizer ships an update every 2 weeks, and SpotEQ31 weekly. Most recently, Bass Booster・Sound Equalizer was updated on November 5, 2026 and SpotEQ31 on November 9, 2026.

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