# ChordMarker vs 油迹Pro

The clearest difference is price: 油迹Pro at $0.99 against ChordMarker's $4.99. 油迹Pro also leads on review sentiment (67% vs 50%). ChordMarker's advantage is update cadence (weekly vs every 2 weeks). On ads, in-app purchases, monetization model and device support there is nothing between them.

ChordMarker costs $4.99 and 油迹Pro $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ChordMarker ships an update weekly, 油迹Pro every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ChordMarker | 油迹Pro |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Paid | Paid |
| Size | 12 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [梦阳 许](https://appshunter.io/developer/1783294344) | [熵析云枢网络科技](https://appshunter.io/developer/1873311794) |

## What reviewers say

### ChordMarker

[App page](https://appshunter.io/ios/app/chordmarker-chord-chart-maker/id6739028965)

Create and edit song chord charts with a simple text format. Easily add chords, preview, transpose, and export your song sheets as PDF, image, or text. Ideal for songwriters, musicians, and teachers.

**Highlights:** ChordMark notation for chart creation, Dedicated chord keyboard for fast input, Scan text from images, Instant key transposition, Export as PDF, image, or plain text, iCloud sync across devices

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

**In-app purchases:** none


### 油迹Pro

[App page](https://appshunter.io/ios/app/pro/id6758520192)

This app helps car owners manage their fuel and charging expenses with intuitive logging and smart analysis. Track your driving costs, understand fuel consumption patterns, and visualize your energy spending trends. It offers ad-free, privacy-focused data management for multiple vehicles.

**Highlights:** Record fuel and charging transactions, Track fuel consumption and costs, Visualize energy usage trends, Manage multiple vehicles, Cloud synchronization, Ad-free experience, Data privacy protection

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

**In-app purchases:** none


## Frequently asked questions

### Is ChordMarker free?

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

### Is 油迹Pro free?

油迹Pro costs $0.99, with no in-app purchases.

### Do ChordMarker or 油迹Pro have ads?

Neither ChordMarker nor 油迹Pro shows ads.

### Which is updated more often, ChordMarker or 油迹Pro?

ChordMarker ships an update weekly, and 油迹Pro every 2 weeks. Most recently, ChordMarker was updated on October 30, 2026 and 油迹Pro on October 31, 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.*