# ChordTrans vs spectwhirl

The clearest difference is review sentiment: ChordTrans at 100% against spectwhirl's 33%. ChordTrans also leads on rating (4.3 vs 4.0) and price ($1.99 vs $4.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

ChordTrans costs $1.99 and spectwhirl $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ChordTrans holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 100% of ChordTrans's written reviews are positive against 33% of spectwhirl's.

ChordTrans ships an update fortnightly, spectwhirl every 5 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ChordTrans | spectwhirl |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/chordtrans/id1250174242/reviews)** | [4.0 (5 ratings)](https://appshunter.io/ios/app/spectwhirl/id6471030896/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Paid | Paid |
| Size | 17 MB | 7 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kamran Saberihaghighi](https://appshunter.io/developer/659751337) | [Alexey Nadzharov](https://appshunter.io/developer/729549192) |

## What reviewers say

### ChordTrans

[App page](https://appshunter.io/ios/app/chordtrans/id1250174242)

Easily transpose chords and simplify difficult ones for guitar and E-piano players. This app offers tools to change song keys with or without a capo and find compatible keys for your music.

**Highlights:** Chord transposition, Simplify difficult chords, Capo simulation, Song key transposition, Key finder, E-piano transpose examples

**Features:** macOS Compatibility

**In-app purchases:** none


### spectwhirl

[App page](https://appshunter.io/ios/app/spectwhirl/id6471030896)

This audio effect app transforms input sound into new textures and bell-like tones by extracting and manipulating sinewave components. It offers advanced control over delay lines, frequency shifting, and filtering, with gesture recording for parameter automation.

**Highlights:** Sinewave component extraction and grouping, Delay lines with feedback, Frequency shifter and sample-and-hold effects, Configurable filtering, Gesture recording for automation, Scene saving and management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ChordTrans free?

ChordTrans costs $1.99, with no in-app purchases.

### Is spectwhirl free?

spectwhirl costs $4.99, with no in-app purchases.

### Which has better reviews, ChordTrans or spectwhirl?

ChordTrans is rated higher. ChordTrans averages 4.3 out of 5 from 4 ratings, while spectwhirl averages 4.0 from 5 ratings.

### Do ChordTrans or spectwhirl have ads?

Neither ChordTrans nor spectwhirl shows ads.

### Which is updated more often, ChordTrans or spectwhirl?

ChordTrans ships an update fortnightly, and spectwhirl every 5 weeks. Most recently, ChordTrans was updated on November 6, 2026 and spectwhirl on November 3, 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.*