# ArcEmu vs PianoFold

The clearest difference is monetization model: ArcEmu at free against PianoFold's free with in-app purchases. ArcEmu also leads on ratings volume (1.4K vs 47) and rating (4.9 vs 4.7). PianoFold's advantage is update cadence (every 3 days vs every 2 weeks) and chart position (#28 vs unranked). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. ArcEmu sells 10 one-off in-app purchases and PianoFold sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ArcEmu holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: ArcEmu has 1.4K ratings behind it against 47, so its average is the more settled of the two. Written reviews point the same way: 95% of ArcEmu's written reviews are positive against 87% of PianoFold's.

ArcEmu ships an update every 2 weeks, PianoFold every 3 days. Both last shipped on November 12, 2026.

## The numbers

| Metric | ArcEmu | PianoFold |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.4K ratings)](https://appshunter.io/ios/app/arcemu/id6496282733/reviews)** | [4.7 (47 ratings)](https://appshunter.io/ios/app/pianofold-rhythm-game/id6822806944/reviews) |
| Number of ratings | **1.4K** | 47 |
| Positive reviews | **94.6% of reviews** | 86.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#28** |
| Size | 234 MB | 26 MB |
| Requires iOS | **16.0** | 27.0 |
| Devices | **iPhone, iPad, Apple TV, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Raffaele D'Amato](https://appshunter.io/developer/529947655) | [Brian Corrieri](https://appshunter.io/developer/1724658525) |

## What reviewers say

### ArcEmu

[App page](https://appshunter.io/ios/app/arcemu/id6496282733)

Experience retro gaming on your Apple Watch, iPhone, and iPad. This emulator supports Game Boy, Game Boy Color, and Game Boy Advance cartridges. Enjoy features like multiplayer, cheats, and customizable controls.

**Highlights:** Game Boy, GBC, GBA emulation, Multiplayer support, Cheat codes, Customizable on-screen controls, Save State sharing, iCloud support

**Features:** macOS Compatibility, Game Controller support, Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All (Upgrade 4) | $0.99 | one-time |
| Game Boy Advance | $0.99 | one-time |
| SNES | $0.99 | one-time |
| Pokémon Mini | $0.99 | one-time |
| Atari 2600 | $0.99 | one-time |
| Mega Drive / Genesis | $0.99 | one-time |
| Game Gear | $0.99 | one-time |
| Master System | $0.99 | one-time |
| SG-1000 | $0.99 | one-time |
| Unlock All (Upgrade 3) | $1.99 | one-time |

**What reviewers like**

- 🚀 Fully functional
- 🚀 Impressive emulation on Apple Watch
- 👍 Great emulator for both phone and watch
- 👍 Seamless save state transfer between devices
- 👍 Customizable controls and layout

**What reviewers complain about**

- 🐛 Compatibility issues with some games
- 🐛 Audio quality problems on certain games
- 👎 Limited functionality on Apple Watch
- 👎 Difficult controls for action-heavy games on watch

**Reported bugs**

- Occasional crashes
- Graphical glitches with certain ROMs
- Save data not transferring properly between devices

**Requested features**

- Add cheat/GameShark support
- Improve volume controls
- Implement fast forward/slow motion options
- Allow multiple save slots per game
- Improve Game Boy Color support


### PianoFold

[App page](https://appshunter.io/ios/app/pianofold-rhythm-game/id6822806944)

**Currently charting:** #28 Top Free · Music, #68 Top Grossing · Music (US App Store)

Experience classical piano music by tapping tiles that glide across your screen. Play familiar melodies and accompaniments, with adjustable practice modes and leaderboards. Unlock the full game with a one-time purchase for endless musical exploration.

**Highlights:** Classical piano music gameplay, 45 levels across nine chapters, Practice room for each song, Game Center leaderboards and achievements, iPhone Duo folding screen optimization, Camera-powered Room view

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $4.99 | one-time |


## Frequently asked questions

### Is ArcEmu free?

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

### Is PianoFold free?

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

### Which has better reviews, ArcEmu or PianoFold?

ArcEmu is rated higher. ArcEmu averages 4.9 out of 5 from 1.4K ratings, while PianoFold averages 4.7 from 47 ratings.

### Do ArcEmu or PianoFold have ads?

Neither ArcEmu nor PianoFold shows ads.

### Which is updated more often, ArcEmu or PianoFold?

ArcEmu ships an update every 2 weeks, and PianoFold every 3 days. Most recently, ArcEmu was updated on November 12, 2026 and PianoFold on November 12, 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.*