# Chord vs AIVocab

The clearest difference is review sentiment: Chord at 57% against AIVocab's 0%. Chord also leads on rating (4.8 vs 1.0) and in-app purchases (none vs 1). AIVocab's advantage is price (Free vs $3.99). On update cadence and ads there is nothing between them.

AIVocab is free to download; Chord costs $3.99 up front. AIVocab sells 1 in-app purchase, starting at $1.99 per month. Chord asks for nothing beyond the download.

Chord holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Chord has 81 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 57% of Chord's written reviews are positive against 0% of AIVocab's.

Chord ships an update monthly, AIVocab fortnightly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chord | AIVocab |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.8 (81 ratings)](https://appshunter.io/ios/app/chord/id1500126852/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/aivocab/id6753897599/reviews) |
| Number of ratings | **81** | 1 |
| Positive reviews | **57.1% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 47 MB | 80 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roman Sevastyanov](https://appshunter.io/developer/1448837134) | [Shuanglong Kan](https://appshunter.io/developer/1845570506) |

## What reviewers say

### Chord

[App page](https://appshunter.io/ios/app/chord/id1500126852)

Unlock musical creativity with a suite of tools for composing and practicing. Generate chord progressions, practice notation, train your ear, and even use your device as a MIDI keyboard. Includes a macOS version for seamless integration.

**Highlights:** Chord progression generation with inversions and extensions, Live playback as piano or synth, MIDI output to macOS, Guitar chord finder, Notation reading practice, Ear training for intervals and voice, macOS version included

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


### AIVocab

[App page](https://appshunter.io/ios/app/aivocab/id6753897599)

Accelerate vocabulary acquisition in 12 languages using AI-powered tools. Capture text from any source, practice with intelligent modes, and track your progress visually. Learn on the go with voice-enabled features and enjoy a privacy-focused, cost-efficient experience.

**Highlights:** AI-powered translation and example sentences, OCR text extraction from images and PDFs, Spaced repetition review system, Voice-enabled learning with adjustable speed, Reading hub for articles and progress tracking, Visual progress tracking and goal setting, Customizable organization with color-coded labels

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |


## Frequently asked questions

### Is Chord free?

Chord costs $3.99, with no in-app purchases.

### Is AIVocab free?

AIVocab is free to download, with in-app purchases available.

### Which has better reviews, Chord or AIVocab?

Chord is rated higher. Chord averages 4.8 out of 5 from 81 ratings, while AIVocab averages 1.0 from 1 ratings.

### Do Chord or AIVocab have ads?

Neither Chord nor AIVocab shows ads.

### Which is updated more often, Chord or AIVocab?

Chord ships an update monthly, and AIVocab fortnightly. Most recently, Chord was updated on October 27, 2026 and AIVocab on October 24, 2026.

---

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