CHAPITRE SIX vs Rainbow Delay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CHAPITRE SIX
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La radio de la collection CHAPITRE SIX
Rainbow Delay
Create unique soundscapes with a polyphonic harmonizing delay effect. Harmonize chords with multiple intervals simultaneously, control parameters with MIDI, and switch to mono mode for vocals. Explore a new dimension of musical expression.
- Polyphonic harmonies for all chords
- Real-time input and delay harmonies
- Delay with feedback, filter, and tempo sync
- MIDI programmability for all parameters
- Mono mode for vocals and monophonic instruments
- Bluetooth MIDI and iRig BlueBoard compatible
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Rainbow Delay is a polyphonic harmonizing delay effect unlike any that you've played before. Harmonize full chords with multiple different intervals at once to create colorful soundscapes you didn't know your guitar could create. Program your MIDI controller to control your harmonies and delay in real time. Switch it into Mono mode for vocals and other monophonic instruments. F e a t u r e s: • Fully polyphonic harmonies - WORKS ON ALL CHORDS • Separate harmonies for real time input and delays • Delay with feedback, filter, time division and tempo sync • Creates harmonies above and below the input signal - mix and match them to taste • All parameters are MIDI programmable • The stripe in the middle contains buttons that can switch modes, shift intervals and sync to the host tempo • The colored knobs adjust the volume of the harmonies on the input and the delays • The gray knobs adjust the delay parameters • Shift intervals on the fly with automation or MIDI input for greater control over your harmonies • Mono mode for vocals or monophonic instruments • Bluetooth MIDI compatible • iRig BlueBoard compatible • AUv3
Screenshots
Verdict
The clearest difference is price: CHAPITRE SIX at Free against Rainbow Delay's $0.99. CHAPITRE SIX also leads on iOS requirement (9.0 vs 13.0). Rainbow Delay's advantage is update cadence (monthly vs every 9 months). On 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
CHAPITRE SIX is free to download; Rainbow Delay costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
CHAPITRE SIX ships an update every 9 months, Rainbow Delay monthly. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.
| Parameter | CHAPITRE SIX | Rainbow Delay |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | — | 4.6 (11 ratings) — better |
| Positive reviews | — | 66.7% of reviews |
| Number of ratings | — | 11 — better |
| Update frequency | Every 9 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPod, Apple TV, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 17 MB | 17 MB |
| Age rating | 17+ | 4+ |
| Developer | MAISON SERIEUSE | Derek Mesecar |
In-app purchases
CHAPITRE SIX
No in-app purchases
Rainbow Delay
No in-app purchases
