# LARSA Analyzer vs 钢琴巴士

The clearest difference is price: 钢琴巴士 at Free against LARSA Analyzer's $29.99. 钢琴巴士 also leads on update cadence (every 2 weeks vs every 6 months) and iOS requirement (12 vs 15.0). LARSA Analyzer's advantage is rating (4.3 vs 1.0) and ratings volume (3 vs 1). On review sentiment, ads, in-app purchases and device support there is nothing between them.

钢琴巴士 is free to download; LARSA Analyzer costs $29.99 up front. LARSA Analyzer sells 1 one-off in-app purchase and 钢琴巴士 sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

LARSA Analyzer holds the better App Store score, 4.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 50% of LARSA Analyzer's written reviews are positive against 44% of 钢琴巴士's.

LARSA Analyzer ships an update every 6 months, 钢琴巴士 every 2 weeks. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | LARSA Analyzer | 钢琴巴士 |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/larsa-analyzer/id943103573/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/id1607244680/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **50.0% of reviews** | 44.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 48 MB | 103 MB |
| Requires iOS | 15.0 | **12** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Smith](https://appshunter.io/developer/291822462) | [Shanghai Music Publishing House Co., Ltd.](https://appshunter.io/developer/651417370) |

## What reviewers say

### LARSA Analyzer

[App page](https://appshunter.io/ios/app/larsa-analyzer/id943103573)

This tool measures and analyzes impulse responses for audio systems like loudspeakers and home theaters. It helps you tune your audio setup for optimal performance in any listening environment, bringing professional-level analysis to your mobile device.

**Highlights:** Impulse response measurement, IR averaging, IR windowing, Energy Time Curves, Delay time calculation, Save and recall measurements, iCloud support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Filter Design Option | $9.99 | one-time |


### 钢琴巴士

[App page](https://appshunter.io/ios/app/id1607244680)

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ABRSM英皇考级精选录播课（二级）-vip专属 | $4.99 | one-time |
| ABRSM英皇考级精选录播课（七级）-vip专属 | $6.99 | one-time |
| ABRSM英皇考级精选录播课（六级）-vip专属 | $6.99 | one-time |
| ABRSM英皇考级精选录播课（七级） | $7.99 | one-time |
| ABRSM英皇考级精选录播课（一级）-vip专属 | $7.99 | one-time |
| ABRSM英皇考级精选录播课（初级）-vip专属 | $9.99 | one-time |
| ABRSM英皇考级精选录播课（三级）-vip专属 | $9.99 | one-time |
| ABRSM英皇考级精选录播课（四级）-vip专属 | $9.99 | one-time |
| ABRSM英皇考级精选录播课（八级）-vip专属 | $9.99 | one-time |
| ABRSM英皇考级精选录播课（五级）-vip专属 | $12.99 | one-time |
| 钢琴巴士月卡会员 | $12.99 | one-time |
| 全年陪练卡 | $99.99 | one-time |
| 优惠年卡会员 | $149.99 | one-time |


## Frequently asked questions

### Is LARSA Analyzer free?

LARSA Analyzer costs $29.99, and also offers in-app purchases.

### Is 钢琴巴士 free?

钢琴巴士 is free to download, with in-app purchases available.

### Which has better reviews, LARSA Analyzer or 钢琴巴士?

LARSA Analyzer is rated higher. LARSA Analyzer averages 4.3 out of 5 from 3 ratings, while 钢琴巴士 averages 1.0 from 1 ratings.

### Do LARSA Analyzer or 钢琴巴士 have ads?

Neither LARSA Analyzer nor 钢琴巴士 shows ads.

### Which is updated more often, LARSA Analyzer or 钢琴巴士?

LARSA Analyzer ships an update every 6 months, and 钢琴巴士 every 2 weeks. Most recently, LARSA Analyzer was updated on September 23, 2026 and 钢琴巴士 on September 19, 2026.

---

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