Emo Chorus vs TfxReverb
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Emo Chorus
Create rich, thick audio with subtle movement using a choir simulator. This app offers up to 128 voices for realistic ensemble sounds, processing live input or audio from your library.
- 128 voices chorus engine
- 20 factory presets
- Unlimited user presets
- MIDI controllable parameters
- Audiobus 3 compatible
- AudioUnit AUv3 support
- Integrated iTunes player
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Realistic Choir simulator ranging from simple Chorus emulation to full ensemble Choir with 128 members. Emo Chorus is a modulation effect used used to create a richer, thicker sound and add subtle movement. The effect roughly simulates the slight variations in pitch and timing that occur when multiple performers sing or play the same part.In contrast to most traditional chorus effect units Emo Chorus allows for astonishingly realistic big choirs with up to 128 voices ! Use live input from any source - Microphone, Guitar, Audiobus and Inter App Audio - or take a song from your iTunes library for processing. Features: • 128 voices chorus engine • 20 factory chorus and flanger presets • Unlimited user presets. • Delay time up to 180ms. • MIDI controllable parameter. • Audiobus 3 compatible with state saving • IAA compatible ( Auria, Cubasis, Garageband ). • AudioUnit AUv3 with parameter automation. • Integrated iTunes player.
TfxReverb
This audio plugin generates digital reverb effects using a unique algorithm. It offers simple operation with an auto-size mode that adjusts parameters with a single dial, and features delay lines inspired by vintage bucket brigade devices for creative pitch-shifting.
- AudioUnit Extension plugin
- BBD-inspired delay lines
- Adjustable input filters
- LFO modulation
- Tempo sync
- Auto size mode
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TfxReverb is a reverb effect AudioUnit Extension plugin. It uses algorithm to generate digital reverb sound. TfxReverb is designed for simple and easy operation. When auto size mode is enabled, number of parameters can be controlled by a single dial to adjust size of the reverb sound, which can be synced to tempo. It features delay lines which are inspired by BBD (bucket brigade device). The delay line uses fixed length buffer and an artificial clock to sample input signal in variable sampling rate. When the delay time is changed, the delay line can produce pitch change effect which is similar to the behavior of the BBD based unit. Features AudioUnit Extension - Input lowpass filter: From 1KHz to 20KHz - Input high-pass filter: From 20Hz to 500Hz - LFO Frequency: From 0.01Hz to 10Hz - LFO Intensity: From 0.0 to 1.0 - Pre Delay: From 1ms to 100ms - Size: From 0% to 100% - Auto size mode: On / Off - Decay: From 0% to 100% - Damp: From 0% to 100% - Output Lowpass Filter: From 1KHz to 20KHz - Early/Late Mix: From 0% to 100% - Dry/Wet Mix: From 0% to 100% - Tempo Sync: On / Off - Tempo (manual) : From 1bpm to 999bpm - Effect Switch: On / Off Host Application Host application uses system audio input as an audio source and processed audio signal is routed to the system audio output.
Screenshots
Verdict
The clearest difference is rating: TfxReverb at 4.5 against Emo Chorus's 3.4. TfxReverb also leads on review sentiment (75% vs 50%). Emo Chorus's advantage is price ($0.99 vs $1.99) and iOS requirement (8.0 vs 13.6). On ratings volume, update cadence, 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
Emo Chorus costs $0.99 and TfxReverb $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TfxReverb holds the better App Store score, 4.5 against 3.4. Both are backed by a comparable volume of ratings — 20 and 8 respectively. Written reviews point the same way: 50% of Emo Chorus's written reviews are positive against 75% of TfxReverb's.
Emo Chorus ships an update every 20 months, TfxReverb every 10 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | Emo Chorus | TfxReverb |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 3.4 (20 ratings) | 4.5 (8 ratings) — better |
| Positive reviews | 50.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 20 — better | 8 |
| Update frequency | Every 20 months | Every 10 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 13.6 |
| Further details — not scored | ||
| Size | 22 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Harry Gohs | Ryo Togawa |
Customer experience
Emo Chorus
TfxReverb
In-app purchases
Emo Chorus
No in-app purchases
TfxReverb
No in-app purchases








