# CHAPITRE SIX vs Rainbow Delay

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.

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.

## The numbers

| Metric | CHAPITRE SIX | Rainbow Delay |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[4.6 (11 ratings)](https://appshunter.io/ios/app/rainbow-delay/id1634495935/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | — | Paid |
| Size | 17 MB | 17 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPod, Apple TV, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [MAISON SERIEUSE](https://appshunter.io/developer/1293751463) | [Derek Mesecar](https://appshunter.io/developer/505825864) |

## What reviewers say

### CHAPITRE SIX

[App page](https://appshunter.io/ios/app/chapitre-six/id1566354040)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rainbow Delay

[App page](https://appshunter.io/ios/app/rainbow-delay/id1634495935)

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.

**Highlights:** 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

**In-app purchases:** none


## Frequently asked questions

### Is CHAPITRE SIX free?

CHAPITRE SIX is free to download, with no in-app purchases.

### Is Rainbow Delay free?

Rainbow Delay costs $0.99, with no in-app purchases.

### Do CHAPITRE SIX or Rainbow Delay have ads?

Neither CHAPITRE SIX nor Rainbow Delay shows ads.

### Which is updated more often, CHAPITRE SIX or Rainbow Delay?

CHAPITRE SIX ships an update every 9 months, and Rainbow Delay monthly. Most recently, CHAPITRE SIX was updated on September 10, 2026 and Rainbow Delay on June 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*