# Chord Calculus vs Sentium Glitch

The clearest difference is price: Chord Calculus at $2.99 against Sentium Glitch's $29.99. Sentium Glitch's advantage is rating (5.0 vs 3.9) and review sentiment (100% vs 80%). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Chord Calculus costs $2.99 and Sentium Glitch $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sentium Glitch holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 8 and 4 respectively. Written reviews point the same way: 80% of Chord Calculus's written reviews are positive against 100% of Sentium Glitch's.

Chord Calculus ships an update fortnightly, Sentium Glitch every 2 weeks. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Chord Calculus | Sentium Glitch |
| --- | --- | --- |
| Price | **$2.99** | $29.99 |
| Rating | [3.9 (8 ratings)](https://appshunter.io/ios/app/chord-calculus/id1239631425/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sentium-glitch/id6770832821/reviews)** |
| Number of ratings | **8** | 4 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Size | 64 MB | 14 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Steven Pollack](https://appshunter.io/developer/1239631424) | [Christian Thompson](https://appshunter.io/developer/1511795684) |

## What reviewers say

### Chord Calculus

[App page](https://appshunter.io/ios/app/chord-calculus/id1239631425)

This app helps musicians visualize and understand chords, scales, and progressions for various fretted instruments. It allows customization of instruments, tunings, and capos, and includes a tuner. Play chords, arpeggios, and scales.

**Highlights:** Chord calculator with fingering display, Chord identifier for unknown fingerings, Scale display and playback, Chord progression player, Custom instrument and tuning creation, Capo support, Instrument tuner

**In-app purchases:** none


### Sentium Glitch

[App page](https://appshunter.io/ios/app/sentium-glitch/id6770832821)

Create complex, animated electronic instruments using four distinct synthesis engines. Blend subtractive, FM, Karplus-Strong, and wavetable layers with extensive modulation options. Save and recall patches with iCloud sync for a comprehensive sound design experience.

**Highlights:** Four distinct synthesis engines, Layered sound design, Extensive modulation routing, XY pad recording, AUv3 and standalone app, Factory and user presets, iCloud sync for presets

**In-app purchases:** none


## Frequently asked questions

### Is Chord Calculus free?

Chord Calculus costs $2.99, with no in-app purchases.

### Is Sentium Glitch free?

Sentium Glitch costs $29.99, with no in-app purchases.

### Which has better reviews, Chord Calculus or Sentium Glitch?

Sentium Glitch is rated higher. Chord Calculus averages 3.9 out of 5 from 8 ratings, while Sentium Glitch averages 5.0 from 4 ratings.

### Do Chord Calculus or Sentium Glitch have ads?

Neither Chord Calculus nor Sentium Glitch shows ads.

### Which is updated more often, Chord Calculus or Sentium Glitch?

Chord Calculus ships an update fortnightly, and Sentium Glitch every 2 weeks. Most recently, Chord Calculus was updated on October 6, 2026 and Sentium Glitch on October 17, 2026.

---

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