Heavenly Chord Performer vs SL Echo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Heavenly Chord Performer
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Heavenly Chord Performer turns your iPad or iPhone into an expressive smart-guitar performance surface. Select chord shapes with a color-coded matrix, then strum playable chord notes from responsive string pads. Hold strings, build extended voicings, switch keys, transpose the playable root range, and shape velocity directly with touch position. Built-in Warm Synth, Electric Piano, Organ, and Warm Pad sounds let you play immediately. Route notes through Virtual MIDI Out or host compatible AUv3 instruments when Premium is unlocked. Compatible with ROLI Lightpad Block M over BLE MIDI or USB MIDI. Its optional touch surface can play chord tones and display a static LED string layout. Premium MIDI IN Control maps an external MIDI controller directly to the chord matrix and string buttons. Connect a compatible LiteJam guitar over Bluetooth to display the selected key's scale notes and the active chord notes directly on its fretboard. Enable the scale and chord layers independently and choose separate colors for each layer. Key features: - Color-coded chord, slash-chord, and solo-note matrices - Extended multi-column string surface with velocity control - Hold Strings and Solo modes with configurable MIDI CC control - Built-in synth tones with sustain, Virtual MIDI Output, and AUv3 hosting - Compatible ROLI Lightpad Block M LED and touch support - Compatible LiteJam guitar fretboard scale and chord-note LED layers - Premium MIDI IN Control for external controllers - Configurable layout, tuning range, strings, frets, and performance presets Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://bwinnovationtw.github.io/apps/heavenly-chord-player/privacy.html
SL Echo
This audio effect app provides animated delay and space for musical decisions on iPad. Easily adjust time, feedback, and tone for various repeat styles, while maintaining a clear dry signal with stereo width and ducking. It supports AUv3 integration with popular music hosts.
- Animated delay and space effects
- Adjustable time and feedback
- Tone shaping controls
- Stereo width and ducking
- AUv3 support
- Standalone preview mode
- Factory and user presets
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SL Echo is a focused AUv3 delay effect designed for fast musical decisions on iPad. Move from a close vocal pocket to wide, evolving repeats without navigating complex pages. • Time and feedback for slapback or long trails • Tone shaping for darker or brighter repeats • Stereo width and ducking for a clear dry signal • Factory presets and local user presets • AUv3 support for compatible iPad music hosts Works as a standalone preview app and as an AUv3 effect in GarageBand, AUM, Cubasis, BeatMaker 3 and other compatible hosts.
Screenshots
Verdict
The clearest difference is price: Heavenly Chord Performer at Free against SL Echo's $6.99. SL Echo's advantage is in-app purchases (none vs 4). On update cadence, ads, device support and iOS requirement 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
Heavenly Chord Performer is free to download; SL Echo costs $6.99 up front. Heavenly Chord Performer sells 4 in-app purchases, starting at $0.99 per 7 days. SL Echo asks for nothing beyond the download.
Heavenly Chord Performer ships an update every 10 days, SL Echo weekly. Both last shipped on October 31, 2026.
| Parameter | Heavenly Chord Performer | SL Echo |
|---|---|---|
| Price | Free — better | $6.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 10 days | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Better World Studio | VIACHESLAV ZHILTSOV |
In-app purchases
Heavenly Chord Performer
- Heavenly Premium Weekly3 Days trial$0.997 Days
- Heavenly Premium Monthly7 Days trial$1.991 Month
- Heavenly Premium Yearly14 Days trial$9.991 Year
- Heavenly Premium Forever$19.99
SL Echo
No in-app purchases
Questions
Is Heavenly Chord Performer free?
Is SL Echo free?
Do Heavenly Chord Performer or SL Echo have ads?
Which is updated more often, Heavenly Chord Performer or SL Echo?
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