# Power One vs Music Sight Learning Skills

The clearest difference is price: Music Sight Learning Skills at Free against Power One's $0.29. Music Sight Learning Skills also leads on update cadence (every 2 weeks vs every 30 months) and device support (3 vs 1). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Music Sight Learning Skills is free to download; Power One costs $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Power One against 5.0 for Music Sight Learning Skills. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Power One ships an update every 30 months, Music Sight Learning Skills every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Power One | Music Sight Learning Skills |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/power-one/id1556653574/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/music-sight-learning-skills/id1607369549/reviews) |
| Number of ratings | 2 | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 5 MB | 53 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuri Goncharov](https://appshunter.io/developer/1556653576) | [Sharon Shaheed](https://appshunter.io/developer/1192719688) |

## What reviewers say

### Power One

[App page](https://appshunter.io/ios/app/power-one/id1556653574)

This game challenges your mental agility and speed by presenting you with four-digit numbers. You must quickly add one to each digit and input the result before the one-minute timer runs out. Compete for high scores and compare your progress on the leaderboard.

**Highlights:** Develops motility and speed of thinking, Add one to each digit of a four-digit number, Score points for correct answers, Lose points for incorrect answers, One-minute countdown timer, Leaderboard for high scores, Invite friends functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Music Sight Learning Skills

[App page](https://appshunter.io/ios/app/music-sight-learning-skills/id1607369549)

Learn to read music by identifying piano keys and notes on the staff. This game offers an authentic piano keyboard with real sounds and progressively challenging levels. Choose to read music using Solfège or the music alphabet.

**Highlights:** Play notes across the staff, Identify piano keys, Authentic piano keyboard with real sounds, Progressively complex levels, Solfège or music alphabet reading options, PPMS Note Reading Ready

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

**In-app purchases:** none


## Frequently asked questions

### Is Power One free?

Power One costs $0.29, with no in-app purchases.

### Is Music Sight Learning Skills free?

Music Sight Learning Skills is free to download, with no in-app purchases.

### Which has better reviews, Power One or Music Sight Learning Skills?

Power One and Music Sight Learning Skills are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do Power One or Music Sight Learning Skills have ads?

Neither Power One nor Music Sight Learning Skills shows ads.

### Which is updated more often, Power One or Music Sight Learning Skills?

Power One ships an update every 30 months, and Music Sight Learning Skills every 2 weeks. Most recently, Power One was updated on November 3, 2026 and Music Sight Learning Skills on November 4, 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.*