LDX DSP vs SpotEQ31
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
LDX DSP
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Complete control of your audio system directly from your smartphone! The app was developed to offer intuitive control. Whether adjusting your car audio system in real time or monitoring technical information, with multiple functionalities, the application delivers a modern and connected experience through Bluetooth communication. How to use: 1. Install the app on your device 2. Activate Bluetooth 3. Turn on the compatible processor 4. Open the app and select the desired processor from the list If you don't yet have a compatible processor, activate the demo mode and explore all the features available in the app.
SpotEQ31
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SpotEQ31 β 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: β’ Users with asymmetric hearing loss β’ People with one ear more sensitive than the other β’ Headphones with uneven left/right frequency response β’ 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: β’ 7 bands β quick adjustments β’ 11, 15, or 21 bands β everyday fine-tuning β’ 31 bands β studio-grade control β’ 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 β no extra app required. Search podcasts, build playlists, and listen with your sound, tuned your way. CORE FEATURES (FREE) β’ Multi-band parametric equalizer (7-31 bands) β’ Multiple built-in sound presets β’ Audio visualizer β’ Balance control β’ Pre-gain volume boost β’ Media player, podcasts, music library, 3 custom playlists BASIC FEATURES (ONE-TIME PURCHASE) Unlock more power without a subscription: β’ Remove all ads β’ Save 3 custom presets β’ Custom Hz configuration (up to 41 bands) β’ Fine-tune dB β’ Custom color theme β’ EQ bands control lock β’ Reset and copy preset tools β’ Left/right channel mirroring β’ Use on multiple devices via your Apple ID PREMIUM SUBSCRIPTION For power users who want everything: β’ Unlimited custom presets β’ Unlimited Hz EQ configurations β’ Auto-switch presets when headphones connect β’ Unlimited media player, playlists and downloads β’ Increased dB range (up to +/- 40 dB on each band, pre-gain and balance) β’ Export and import presets β’ Configurable audio visualizer β’ Advanced audio effects (reverb, bass boost, 3D sound/virtualizer) β’ Limiter β’ Multi-band compressor WHO IS SPOTEQ31 FOR? β’ Music lovers who want better sound from any headphones β’ People with hearing loss seeking personalized compensation β’ Audio enthusiasts and home studio users β’ Podcast listeners wanting clearer voice playback β’ Anyone tired of factory-tuned sound WHY SPOTEQ31? Most equalizers give you a single curve applied to both ears. SpotEQ31 recognizes that ears β and headphones β 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 β one band at a time.
Screenshots
Verdict
The clearest difference is in-app purchases: LDX DSP at none against SpotEQ31's 2. LDX DSP also leads on ads (none vs shown). SpotEQ31's advantage is update cadence (weekly vs every 4 months). On price, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. SpotEQ31 sells 2 in-app purchases, starting at $2.99 per month. LDX DSP asks for nothing beyond the download.
LDX DSP ships an update every 4 months, SpotEQ31 weekly. The most recent releases landed on September 10, 2026 and August 27, 2026 respectively.
| Parameter | LDX DSP | SpotEQ31 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Weekly β better |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.0 β better | 16.6 |
| Further details β not scored | ||
| Size | 78 MB | 55 MB |
| Age rating | 4+ | +12 |
| Developer | STETSOM ELETRΓNICA LTDA | LeanderCreative AB |
In-app purchases
LDX DSP
No in-app purchases
SpotEQ31
- Premium Subscription$2.991 Month
- Basic Features$9.99





