# Music Theory 101 vs Sight Singing Studio

The clearest difference is in-app purchases: Music Theory 101 at none against Sight Singing Studio's 3. Music Theory 101 also leads on ratings volume (71 vs 1) and iOS requirement (15.0 vs 17.6). Sight Singing Studio's advantage is rating (5.0 vs 4.8). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sight Singing Studio sells 3 in-app purchases, starting at $9.99 per month. Music Theory 101 asks for nothing beyond the download.

Sight Singing Studio holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Music Theory 101 has 71 ratings behind it against 1, so its average is the more settled of the two.

Music Theory 101 ships an update every 5 days, Sight Singing Studio every 4 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Music Theory 101 | Sight Singing Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (71 ratings)](https://appshunter.io/ios/app/music-theory-101-study-course/id1629995579/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sight-singing-studio-solfege/id6738853317/reviews)** |
| Number of ratings | **71** | 1 |
| Positive reviews | 82.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 78 MB | 114 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Poesie Inc](https://appshunter.io/developer/1505664474) | [Deeryard LLC](https://appshunter.io/developer/966765345) |

## What reviewers say

### Music Theory 101

[App page](https://appshunter.io/ios/app/music-theory-101-study-course/id1629995579)

An interactive music theory training app covering classical fundamentals. It features 19 units with audio, exercises, and definitions, mirroring AP Music Theory exam curriculum. Practice skills with over 90 exercise types.

**Highlights:** Interactive music theory course, 19 comprehensive units, Audio samples and key definitions, Skill practice exercises, AP Music Theory exam curriculum, Over 90 exercise types, Aural recognition and dictation

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

**In-app purchases:** none


### Sight Singing Studio

[App page](https://appshunter.io/ios/app/sight-singing-studio-solfege/id6738853317)

Master vocal pitch and sight-reading with custom scores. Analyze your singing in real-time, record and playback, and import MusicXML files for personalized practice. Ideal for singers, instrumentalists, and music educators.

**Highlights:** Real-time pitch analysis, Custom score creation and import, Performance recording and playback, MusicXML file support, Scales and exercises, Progress tracking for students

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Studio Premium Access Monthly | $9.99 | per month |
| Studio Premium Access Yearly | $99.99 | per year |
| One-time Payment | $299.99 | one-time |


## Frequently asked questions

### Is Music Theory 101 free?

Music Theory 101 is free to download, with no in-app purchases.

### Is Sight Singing Studio free?

Sight Singing Studio is free to download, with in-app purchases available.

### Which has better reviews, Music Theory 101 or Sight Singing Studio?

Sight Singing Studio is rated higher. Music Theory 101 averages 4.8 out of 5 from 71 ratings, while Sight Singing Studio averages 5.0 from 1 ratings.

### Do Music Theory 101 or Sight Singing Studio have ads?

Neither Music Theory 101 nor Sight Singing Studio shows ads.

### Which is updated more often, Music Theory 101 or Sight Singing Studio?

Music Theory 101 ships an update every 5 days, and Sight Singing Studio every 4 days. Most recently, Music Theory 101 was updated on October 30, 2026 and Sight Singing Studio on October 28, 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.*