# PercussionSS IA vs Harp Sim

The clearest difference is rating: Harp Sim at 5.0 against PercussionSS IA's 3.0. PercussionSS IA's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. PercussionSS IA sells 18 one-off in-app purchases and Harp Sim sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Harp Sim holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 5 and 9 respectively.

PercussionSS IA ships an update every 3 weeks, Harp Sim every 2 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PercussionSS IA | Harp Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (5 ratings)](https://appshunter.io/ios/app/percussionss-ia/id535371805/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/harp-sim/id6739217315/reviews)** |
| Number of ratings | 5 | **9** |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 272 MB | 132 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YUJI HASEBE](https://appshunter.io/developer/365889232) | [Alper Kahriman](https://appshunter.io/developer/1054578352) |

## What reviewers say

### PercussionSS IA

[App page](https://appshunter.io/ios/app/percussionss-ia/id535371805)

Explore a variety of percussion instruments, from xylophones to metallophones, with recording and playback features. This app allows you to play along with other music applications and share your creations via email.

**Highlights:** 24 percussion instruments, Recording function, Play with other music apps, Email sound data sharing, Volume slider, Display scale on keyboard

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WindChimeSS | $1.99 | one-time |
| BellTreeSS | $1.99 | one-time |
| TempleBellSS | $1.99 | one-time |
| EnergyChimeSS | $1.99 | one-time |
| BonangSS | $1.99 | one-time |
| GlockenSS | $2.99 | one-time |
| ChimesSS | $2.99 | one-time |
| LithophoneSS | $2.99 | one-time |
| TempleBlocksSS | $2.99 | one-time |
| HandbellSS | $2.99 | one-time |
| BalafonSS | $2.99 | one-time |
| GlassHarpSS | $2.99 | one-time |
| ThaiGongSS | $2.99 | one-time |
| TubaphoneSS | $2.99 | one-time |
| XylophoneSS | $3.99 | one-time |
| MarimbaSS | $3.99 | one-time |
| VibraphoneSS | $3.99 | one-time |
| RemoveAds | $3.99 | one-time |


### Harp Sim

[App page](https://appshunter.io/ios/app/harp-sim/id6739217315)

Explore the ethereal sounds of the harp with this simulator app. It offers authentic harp tones, customizable interfaces, and multiple play modes for both beginners and experienced musicians. Record and share your musical creations.

**Highlights:** Authentic harp sounds, Meditative and relaxing experience, Customizable interface, Three dynamic play modes, Built-in performance recorder, Music sharing functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium | $7.99 | one-time |


## Frequently asked questions

### Is PercussionSS IA free?

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

### Is Harp Sim free?

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

### Which has better reviews, PercussionSS IA or Harp Sim?

Harp Sim is rated higher. PercussionSS IA averages 3.0 out of 5 from 5 ratings, while Harp Sim averages 5.0 from 9 ratings.

### Do PercussionSS IA or Harp Sim have ads?

Harp Sim shows ads; PercussionSS IA does not.

### Which is updated more often, PercussionSS IA or Harp Sim?

PercussionSS IA ships an update every 3 weeks, and Harp Sim every 2 months. Most recently, PercussionSS IA was updated on October 21, 2026 and Harp Sim on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*