# Oscilloscope vs CrossOver Filter

The clearest difference is price: CrossOver Filter at $1.99 against Oscilloscope's $19.99. CrossOver Filter also leads on update cadence (every 4 months vs every 8 months) and iOS requirement (8.2 vs 16). Oscilloscope's advantage is rating (4.1 vs 2.7) and review sentiment (72% vs 33%). On ads, in-app purchases, monetization model and device support there is nothing between them.

Oscilloscope costs $19.99 and CrossOver Filter $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Oscilloscope holds the better App Store score, 4.1 against 2.7. That said, the two scores are not equally well evidenced: Oscilloscope has 19 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 72% of Oscilloscope's written reviews are positive against 33% of CrossOver Filter's.

Oscilloscope ships an update every 8 months, CrossOver Filter every 4 months. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Oscilloscope | CrossOver Filter |
| --- | --- | --- |
| Price | $19.99 | **$1.99** |
| Rating | **[4.1 (19 ratings)](https://appshunter.io/ios/app/oscilloscope/id388636804/reviews)** | [2.7 (3 ratings)](https://appshunter.io/ios/app/crossover-filter/id1008101973/reviews) |
| Number of ratings | **19** | 3 |
| Positive reviews | **71.7% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Best chart rank | **#199** | — |
| Size | 8 MB | 28 MB |
| Requires iOS | 16 | **8.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ONYX Apps](https://appshunter.io/developer/356553882) | [Pasquale Puglisi](https://appshunter.io/developer/1008101972) |

## What reviewers say

### Oscilloscope

[App page](https://appshunter.io/ios/app/oscilloscope/id388636804)

**Currently charting:** #199 Top Paid · Music (US App Store)

Analyze audio and analog signals with a portable oscilloscope. Features include waveform display, triggering controls, and a built-in signal generator for various waveforms. Supports external input for more advanced measurements.

**Highlights:** Real-time waveform display, Triggering modes, Signal measurement cursors, Built-in signal generator, Dual channel input support, Reference signal calibration, Export traces as text file

**In-app purchases:** none


### CrossOver Filter

[App page](https://appshunter.io/ios/app/crossover-filter/id1008101973)

Design and simulate car stereo or home audio crossover filters with professional precision. Calculate various filter types, Q factors, and component values. Includes signal generation and project sharing features.

**Highlights:** Crossover filter calculation (2-way, tweeter, mid-range, subwoofer), Selectable Q factor of Merit (Butterworth, Bessel, etc.), Zobel and Speaker Attenuation calculation, Notch circuit calculation, Component value calculation (resistors, coils, capacitors), Speaker cable attenuation and resistance calculation, Signal generator (frequency sweep, noise), Project PDF/image generation and sharing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Oscilloscope free?

Oscilloscope costs $19.99, with no in-app purchases.

### Is CrossOver Filter free?

CrossOver Filter costs $1.99, with no in-app purchases.

### Which has better reviews, Oscilloscope or CrossOver Filter?

Oscilloscope is rated higher. Oscilloscope averages 4.1 out of 5 from 19 ratings, while CrossOver Filter averages 2.7 from 3 ratings.

### Do Oscilloscope or CrossOver Filter have ads?

Neither Oscilloscope nor CrossOver Filter shows ads.

### Which is updated more often, Oscilloscope or CrossOver Filter?

Oscilloscope ships an update every 8 months, and CrossOver Filter every 4 months. Most recently, Oscilloscope was updated on October 11, 2026 and CrossOver Filter on October 6, 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.*