One Minute Changes

Name: One Minute Changes
Rating: 4.3 (114 reviews)
Author: Justin Guitar

By: Justin Guitar App

Education

Overview

Version:

2.25

Last updated: 2019-11-25

Ranking

#131,839 ▼ 129

Overall

Features & Capabilities

One Minute Changes is a free Chrome extension from Justinguitar.com designed for beginner guitarists to track how many chord changes they can perform during the Beginner's Course. All chords used in the course are built in, and you can add your own chords as you practice.

It also provides statistics and can automatically identify the chords you struggle with most. If you enjoy it, be sure to explore Justinguitar's other apps.

User Growth & Download Statistics

App Education Music & Audio

By:

Justin Guitar

Rating:

4.30

(114)

Version:

2.25 Last updated: 2019-11-25

Version code:

833191854

Creation date:

2014-01-02

Compatible devices:

Size:

65.79MB

URLs:

Website ,Privacy policy

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-08-08

Compare stats and ranking:

Ranking

# 131,839 ▼ 129

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.

Developed by:

Justin Guitar

Apple Apps Store

https://apps.apple.com/us/app/one-minute-changes/id778908544

Website:

http://www.justinguitar.com/en/AP-005-OneMinuteChangesApp.php

User Reviews

Many users praise One Minute Changes as an approachable, timer-driven tool that helps with chord-change practice and speeds, and note its clean interface and usefulness alongside Justin Guitar. Recurrent issues center on scoring (timer-only, not counting changes), unreliable audio alerts, limited library management (no delete/edit; ghost chords; occasional data resets), lack of long-term progress tracking, and uneven/chord-randomization behavior prompting requests for manual selection.

Pros

Helpful for practicing chord changes and increasing speed, especially when used with Justin Guitar course
Easy-to-use, clean interface, with free access
Timer-driven practice motivates consistent work and helps track session pace
Left-handed mode option and chord charts aid accessibility
Ability to add chords to a personal library for focused practice

Cons

Does not count chord changes; it only tracks timer seconds, so there is no true score
Audio alerts and timer sounds can be too quiet or unreliable; users want adjustable volume and alert types
Library management is limited: you cannot delete or edit chords, ghost chords may reappear, and updates can reset prior data
No built-in long-term progress/history view to see performance over time
Chord randomization is uneven; users want the ability to manually select chords or improve randomization

Recent reviews

No microphone settings in app or in apple settings. App cannot hear chords

by Le*****, 2025-10-27

Just getting started and have found Justin’s style of teaching works excellent for my particular style of learning and pace preferences. His chord change app has been really helpful. I am so grateful I have found this and just started using it 2X a day. Highly recommend ⭐️⭐️⭐️⭐️⭐️