Comparison

Oscilloscope & Spectrogram vs BLEASS Saturator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Oscilloscope & Spectrogram

Analyze audio in real-time with detailed oscilloscope and spectrogram views. Pause, scroll, and zoom to precisely identify frequencies, notes, and sound events. Offers advanced triggering and a unique Bark-frequency scale for detailed analysis.

Highlights
  • Real-time oscilloscope and spectrogram
  • Pause and scroll audio history
  • Pinch-to-zoom functionality
  • Frequency and MIDI note identification
  • Stereo and mono views
  • Trigger with lookahead
Features
Read full description

OSCILLOSCOPE & SPECTROGRAM is a powerful audio analyzer app and audio unit plugin KEY FEATURES - Run as both Audio Unit and standalone app - View up to three seconds of audio on the screen - Pause and scroll horizontally to browse back in time - Pinch to zoom in / zoom out - See both oscilloscope and spectrogram separately or overlayed together - Frequency trigger mode helps identify the precise frequency and MIDI note of sounds in the spectrogram - Stereo and mono views - Level based trigger mode has lookahead, pause, and zoom - XY mode shows stereo correlation - Automatically adjusts FFT size to fit zoom setting - Bark-frequency scale spectrogram shows nice detail at low and high frequencies - When zoomed in, the oscilloscope uses sinc upsampling to show you a close approximation of what actually outputs from your audio interface after digital to analog conversion, rather than just displaying raw audio samples. WHAT DOES THIS APP DO THAT OTHERS DO NOT? 1. Pause Button We can't emphasize enough how useful this is. You never have to worry about trying to catch short events that disappear quickly because you can watch the sounds go by slowly at a 3 second viewer scale, then just pause and scroll back if you missed something. When you get to the event you want to see you can pinch to zoom in right down to sub-sample level of detail, then zoom back out when you are done and zoom in on something else. This feature alone makes almost all other oscilloscope apps unnecessary because it means you can easily see ANYTHING that you need to see. 2. Frequency Identification Mode In frequency mode, when you touch the frequency scale on the right of the screen a blue line appears on the spectrogram. When you position the line above a specific frequency on the spectrogram, a panel on the left side of the screen displays the octave, note name, and MIDI number. You can then use the frequency timing oscilloscope to lock in on the exact pitch in cents so that you not only know which MIDI note that sound corresponds to but you know exactly how many cents sharp or flat. The ability to simultaneously see the frequency on the spectrogram and confirm it with precision on the oscilloscope allows you to quickly and easily identify musical pitches to a level of accuracy that have not seen anywhere else, not even in desktop software. 3. Trigger with Lookahead Almost every oscilloscope has a feature where it re-draws the screen each time the input signal level crosses a specified threshold. This is the main and most basic function of any oscilloscope. However, when setting the trigger at a high level to view the attack section of musical notes or drums, we miss the first part of the note. By using lookahead, this app allows you to see a few milliseconds BEFORE the trigger point so that you can see the whole sound you want to examine. 4. Carefully Designed Spectrogram In all spectrum analyzer displays, the upper end of the frequency scale is crowded, meaning that a single pixel corresponds to 10 or 20 frequencies in the frequency analysis. In many other analyzer apps one of two things occur: either 9 out of 10 frequencies in that upper range simply get ignored and disappear from the spectrogram display, or all 10 frequencies combine together to make the pixels in the upper range appear brighter than low frequency sounds of similar volume. This may seem like a technicality until you run a sine sweep or a 20 KHz tone through the analyzer and find that large sections of the input simply aren't displayed on the analyzer screen. Looking at these kinds of test signals on a spectrogram is the primary way that we test and evaluate the quality of audio effect plugins. If a spectrogram is to be of any real use as an analysis tool, it should do this right. Other spectrograms often mess up the lower frequencies too, either by making them take up too much space or by making them very pixelated. This spectrogram carefully avoids these problems.

About

BLEASS Saturator

This creative audio effect plugin offers a versatile toolbox for distortion and saturation. Shape your sound with analog-style overdrive, nine waveshaping algorithms, and bit-crushing effects. An integrated LFO allows for dynamic, evolving sonic textures.

Highlights
  • Analog-style overdrive
  • Nine waveshaping algorithms
  • Bit-crushing effects
  • Built-in LFO for rhythmic modulation
  • Intuitive interface
  • Low CPU usage
Read full description

BLEASS Saturator is a creative saturation and distortion toolbox that lets you stamp your authority all over your audio. Roast your basses, crush your drums, and make your leads explode from a mix, all from the relaxing comfort of the plugin’s colourful and intuitive interface. The Drive module introduces analogue-style overdrive into your signal, from a gentle warming all the way to a veritable roasting. The module’s built in EQ allows precise control over the tonal character of the saturation as well. The Waveshaper distorts your audio using a second waveform. The way this happens depends upon the waveshaping algorithm that is used – BLEASS Saturator has nine to choose from. The algorithm has a significant impact on the character of the distortion that is produced. With its clear visualisation, and detailed-but-intuitive control over key parameters of the waveshaping algorithms, the Waveshaper module offers a near infinite choice of sonic colourations and distortions. BLEASS Saturator’s Bit module simulates the distortion characteristics of analogue-to-digital conversion. We’re all familiar with the pristine sound quality that is produced when both sample rate and bit depth are suitably high, but dragging these values down can create wonderful glitches and distortions that are fundamentally digital in character. Further creative possibilities are presented by the option of applying the Bit module either before or after the Waveshaper module. The built-in LFO can be routed to any of the plugin’s parameters, and can be synced to the host’s beat and tempo. This allows you to explore evolving, shifting and rhythmic distortions that would be hard to achieve with conventional saturators. Gentle settings can create pleasingly warm and fuzzy results, but despite its small footprint and lightweight CPU usage, BLEASS Saturator has the strength to hit your audio like a ton of bricks!

Screenshots

Oscilloscope & Spectrogram4 screens
BLEASS Saturator3 screens

Verdict

The call

The clearest difference is review sentiment: BLEASS Saturator at 100% against Oscilloscope & Spectrogram's 70%. BLEASS Saturator also leads on rating (5.0 vs 4.7). Oscilloscope & Spectrogram's advantage is update cadence (every 4 days vs every 29 months) and price ($5.99 vs $6.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Oscilloscope & Spectrogram costs $5.99 and BLEASS Saturator $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

BLEASS Saturator holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 26 and 10 respectively. Written reviews point the same way: 70% of Oscilloscope & Spectrogram's written reviews are positive against 100% of BLEASS Saturator's.

UpkeepUpdate frequency

Oscilloscope & Spectrogram ships an update every 4 days, BLEASS Saturator every 29 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Oscilloscope & Spectrogram versus BLEASS Saturator: the parameters behind the verdict, then further details
ParameterOscilloscope & SpectrogramBLEASS Saturator
Price$5.99 — better$6.99
Rating4.7 (26 ratings)5.0 (10 ratings) — better
Positive reviews70.0% of reviews100.0% of reviews — better
Number of ratings26 — better10
Update frequencyEvery 4 days — betterEvery 29 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size3 MB27 MB
Age rating4+4+
DeveloperBlue Mangoo Consulting Company LimitedBLEASS

Customer experience

Oscilloscope & Spectrogram

All ratings28 ratings
Positive92.9%
Neutral0.0%
Negative7.1%
Written reviews10 reviews
Positive70.0%
Neutral0.0%
Negative30.0%

BLEASS Saturator

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Oscilloscope & Spectrogram

No in-app purchases

None

BLEASS Saturator

No in-app purchases

Questions

Is Oscilloscope & Spectrogram free?
Oscilloscope & Spectrogram costs $5.99, with no in-app purchases.
Is BLEASS Saturator free?
BLEASS Saturator costs $6.99, with no in-app purchases.
Which has better reviews, Oscilloscope & Spectrogram or BLEASS Saturator?
BLEASS Saturator is rated higher. Oscilloscope & Spectrogram averages 4.7 out of 5 from 26 ratings, while BLEASS Saturator averages 5.0 from 10 ratings.
Do Oscilloscope & Spectrogram or BLEASS Saturator have ads?
Neither Oscilloscope & Spectrogram nor BLEASS Saturator shows ads.
Which is updated more often, Oscilloscope & Spectrogram or BLEASS Saturator?
Oscilloscope & Spectrogram ships an update every 4 days, and BLEASS Saturator every 29 months. Most recently, Oscilloscope & Spectrogram was updated on October 25, 2026 and BLEASS Saturator on October 24, 2026.

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