# Spectrum(趣识谱) vs 识谱卡

The clearest difference is in-app purchases: Spectrum(趣识谱) at none against 识谱卡's 5. Spectrum(趣识谱) also leads on iOS requirement (11.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. 识谱卡 sells 5 in-app purchases, starting at $4.99 per month. Spectrum(趣识谱) asks for nothing beyond the download.

## The numbers

| Metric | Spectrum(趣识谱) | 识谱卡 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (17 ratings)](https://appshunter.io/ios/app/id6459267257/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Monetization | — | Freemium |
| Size | 46 MB | 83 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 9+ |
| Developer | [ChengDu Pengta Network Technology Co.Ltd](https://appshunter.io/developer/1269440615) | [炯龙 吴](https://appshunter.io/developer/596409525) |

## What reviewers say

### Spectrum(趣识谱)

[App page](https://appshunter.io/ios/app/spectrum/id6444767986)

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

**In-app purchases:** none


### 识谱卡

[App page](https://appshunter.io/ios/app/id6459267257)

Learn to read sheet music and music theory with over 700 flashcards. This app is ideal for adults and children starting their musical journey, offering various card types and quiz modes for effective learning.

**Highlights:** Over 700 sheet music flashcards, Various card types (notes, rhythms, chords, scales), Card flipping for note identification, Card-based quizzes, Customizable card order, Audio playback of notes, Daily tasks and coin system for unlocking cards

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $4.99 | per month |
| 年度会员 | $14.99 | per year |
| 600金币 | $0.99 | one-time |
| 3000金币 | $3.99 | one-time |
| 6800金币 | $9.99 | one-time |


## Frequently asked questions

### Is Spectrum(趣识谱) free?

Spectrum(趣识谱) is free to download, with no in-app purchases.

### Is 识谱卡 free?

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

### Do Spectrum(趣识谱) or 识谱卡 have ads?

Neither Spectrum(趣识谱) nor 识谱卡 shows ads.

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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.*