# 睿图 vs Ukulele Chord Library

睿图 and Ukulele Chord Library are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 睿图 sells 6 one-off in-app purchases and Ukulele Chord Library sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

睿图 ships an update every 5 months, Ukulele Chord Library every 4 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | 睿图 | Ukulele Chord Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ukulele-chord-library/id6782726674/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 10 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RootSportsInvestmentBeijingCo.,Ltd.](https://appshunter.io/developer/977148898) | [成勇 龚](https://appshunter.io/developer/1896721279) |

## What reviewers say

### 睿图

[App page](https://appshunter.io/ios/app/id6450877469)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月会员 | $5.99 | one-time |
| 学生1年会员 | $14.99 | one-time |
| 3个月会员 | $14.99 | one-time |
| 6个月会员 | $19.99 | one-time |
| 1年会员 | $29.99 | one-time |
| 2年会员 | $49.99 | one-time |


### Ukulele Chord Library

[App page](https://appshunter.io/ios/app/ukulele-chord-library/id6782726674)

This reference app provides a comprehensive library of ukulele chords with clear fingering diagrams and audio playback. It features tools for mode lookup, chord progression ideas, and reverse chord finding, aiding practice and composition.

**Highlights:** Extensive chord library (552 entries), Clear fingering diagrams, Chord audio playback, Mode lookup tool, Chord progression suggestions, Reverse chord lookup

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is 睿图 free?

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

### Is Ukulele Chord Library free?

Ukulele Chord Library is free to download, with in-app purchases available.

### Do 睿图 or Ukulele Chord Library have ads?

Neither 睿图 nor Ukulele Chord Library shows ads.

### Which is updated more often, 睿图 or Ukulele Chord Library?

睿图 ships an update every 5 months, and Ukulele Chord Library every 4 months. Most recently, 睿图 was updated on October 25, 2026 and Ukulele Chord Library on October 25, 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.*