# Singing Fingers vs Transruler free

The clearest difference is price: Transruler free at Free against Singing Fingers's $0.99. Transruler free also leads on update cadence (every 2 months vs every 96 months) and iOS requirement (6.0 vs 10.0). Singing Fingers's advantage is review sentiment (49% vs 11%) and rating (3.5 vs 3.0). On ads and device support there is nothing between them.

Transruler free is free to download; Singing Fingers costs $0.99 up front. Transruler free sells 3 one-off in-app purchases. Singing Fingers asks for nothing beyond the download.

Singing Fingers holds the better App Store score, 3.5 against 3.0. That said, the two scores are not equally well evidenced: Singing Fingers has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 49% of Singing Fingers's written reviews are positive against 11% of Transruler free's.

Singing Fingers ships an update every 96 months, Transruler free every 2 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Singing Fingers | Transruler free |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.5 (10 ratings)](https://appshunter.io/ios/app/singing-fingers/id381015280/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/transruler-free/id469793113/reviews) |
| Number of ratings | **10** | 2 |
| Positive reviews | **49.2% of reviews** | 10.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 96 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 7 MB |
| Requires iOS | 10.0 | **6.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beginner's Mind](https://appshunter.io/developer/381015283) | [Uwe Tilemann](https://appshunter.io/developer/307735525) |

## What reviewers say

### Singing Fingers

[App page](https://appshunter.io/ios/app/singing-fingers/id381015280)

Create vibrant visual art by fingerpainting with sound. Touch the screen while making a noise, and watch colorful paint appear. Tap the paint to replay the original sound, turning your creations into interactive musical instruments.

**Highlights:** Fingerpaint with sound, Colorful paint visualization, Tap paint to replay sound, Create musical instruments, Experiment with sounds, Voice interaction

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

**In-app purchases:** none

**What reviewers like**

- 💡 Creative and fun concept
- 👍 Easy to use for special needs
- 😄 Hilarious and entertaining
- ✨ Unique idea for creativity
- 🤩 Very fun game

**What reviewers complain about**

- 🐛 Doesn't work at all
- ❌ Black screen on open
- 🐛 Crashes frequently
- 🐛 Doesn't draw with finger
- 🔊 Sound is intermittent

**Reported bugs**

- Black screen on open
- Crashes frequently
- Doesn't draw with finger
- Sound is intermittent
- Screwed up other phone things

**Requested features**

- Higher quality setting
- Update to enhance mic sound
- Retina display support


### Transruler free

[App page](https://appshunter.io/ios/app/transruler-free/id469793113)

This app helps musicians understand, visualize, and play various musical scales. It features interactive rulers to display scales and keys, allowing for easy transposition and learning of scale relationships. Play individual notes or entire scales with simple taps.

**Highlights:** Visualize musical scales, Easy transposition, Interactive scale rulers, Tap to play notes, Double-tap to play scales, Learn scale relationships

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Transruler Piano | $1.99 | one-time |
| Transruler Guitar | $1.99 | one-time |
| Transruler Editor | $1.99 | one-time |


## Frequently asked questions

### Is Singing Fingers free?

Singing Fingers costs $0.99, with no in-app purchases.

### Is Transruler free free?

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

### Which has better reviews, Singing Fingers or Transruler free?

Singing Fingers is rated higher. Singing Fingers averages 3.5 out of 5 from 10 ratings, while Transruler free averages 3.0 from 2 ratings.

### Do Singing Fingers or Transruler free have ads?

Neither Singing Fingers nor Transruler free shows ads.

### Which is updated more often, Singing Fingers or Transruler free?

Singing Fingers ships an update every 96 months, and Transruler free every 2 months. Most recently, Singing Fingers was updated on November 1, 2026 and Transruler free on November 1, 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.*