# Analyzer vs SL CastShift

The clearest difference is in-app purchases: SL CastShift at none against Analyzer's 10. SL CastShift also leads on update cadence (every 9 days vs every 6 weeks). Analyzer's advantage is price ($14.99 vs $19.99) and iOS requirement (12.4 vs 15.0). On ads and device support there is nothing between them.

Analyzer costs $14.99 and SL CastShift $19.99 up front. Analyzer sells 10 one-off in-app purchases. SL CastShift asks for nothing beyond the download.

Analyzer ships an update every 6 weeks, SL CastShift every 9 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Analyzer | SL CastShift |
| --- | --- | --- |
| Price | **$14.99** | $19.99 |
| Rating | **[2.9 (11 ratings)](https://appshunter.io/ios/app/analyzer/id454225351/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 47.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 19 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DSP Mobile](https://appshunter.io/developer/454225356) | [VIACHESLAV ZHILTSOV](https://appshunter.io/developer/1862005860) |

## What reviewers say

### Analyzer

[App page](https://appshunter.io/ios/app/analyzer/id454225351)

This app combines a sound pressure level meter with a multi-band frequency analyzer. It's designed for audio professionals and enthusiasts to evaluate acoustic environments, test equipment, and analyze sound in various settings. Offers advanced features and calibration options for accurate measurements.

**Highlights:** SPL meter with A, B, C, Z weighting, Realtime audio analyzer (RTA), Selectable bandwidth up to 1/1200 octave, FFT analysis with selectable block size, Signal generator (pink/white noise, sine), Touch gesture zoom and reticle functionality, Store, load, and export measurement data

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Apple Earphones | $2.99 | one-time |
| built-in microphones bundle | $2.99 | one-time |
| Apple In-Ear Headphones | $2.99 | one-time |
| Apple EarPods | $2.99 | one-time |
| MicW i456 | $7.99 | one-time |
| MicW i266 | $7.99 | one-time |
| EDUTIGE  EIM-003 | $7.99 | one-time |
| MicW i436 | $9.99 | one-time |
| Røde smartLav | $9.99 | one-time |
| TASCAM iM2 | $9.99 | one-time |


### SL CastShift

[App page](https://appshunter.io/ios/app/sl-castshift/id6815442531)

**In-app purchases:** none


## Frequently asked questions

### Is Analyzer free?

Analyzer costs $14.99, and also offers in-app purchases.

### Is SL CastShift free?

SL CastShift costs $19.99, with no in-app purchases.

### Do Analyzer or SL CastShift have ads?

Neither Analyzer nor SL CastShift shows ads.

### Which is updated more often, Analyzer or SL CastShift?

Analyzer ships an update every 6 weeks, and SL CastShift every 9 days. Most recently, Analyzer was updated on October 26, 2026 and SL CastShift on October 25, 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.*