Koala Sampler vs Absolute-Develop Perfect Pitch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Koala Sampler
This app allows you to record sounds with your phone's microphone, transform them with effects, and create beats and tracks. Its intuitive interface focuses on a fast and fun music-making process.
- Record up to 64 samples with mic
- Apply 16 built-in effects
- Load and use own samples
- Create beats with high-resolution sequencer
- Export loops and tracks as WAV
- AI sample separation
- AUv3 and MIDI compatibility
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Koala is the ultimate pocket-sized sampler. Record anything with your phone's mic or load your own sounds. Use Koala to create beats with those samples, add effects and create a track! Koala's super intuitive interface helps you make a track in a flash - there is no brake pedal. You can also resample the output of the app back into the input, through the effects, so the sonic possibilities are endless. Koala's design focuses totally on making the music-making process instant, keeping you in the flow and keeping it fun, not getting bogged down by pages of parameters and micro-editing. "Been putting that $4 koala sampler to good use lately. Undeniably great tool that puts some of these expensive beat boxes to shame. A must cop." -- flying lotus, twitter * Record up to 64 different samples with your mic * Transform your voice or any other sound with 16 superb built-in fx * Load your own samples * Choose from one of 250 built-in sounds * Resample the output of the app back into a new sample * Export loops or entire tracks as professional quality WAV files * Direct export to Ableton Live Set * Copy/paste or merge sequences just by dragging them * Create beats with the high-resolution sequencer * Import samples from the Files app or even from videos * Keyboard mode lets you play chromatically or one of 9 scales * Quantize, add swing to get the right feel * Normal/One-shot/Loop/Reverse playback of samples * 6 Choke groups * Attack, release and tone adjustable on each sample * Mute/Solo controls and note repeat * Add any (or all) of the 16 effects to the entire mix * AUv3 compatible - use in GarageBand, Logic, Cubasis etc etc * MIDI controllable - play your samples on a keyboard, map the effects to knobs * Jam with others over WiFi with Ableton Link * Free copy of Ableton Live Lite included * AudioShare compatible * Use AI to separate samples into individual instruments (drums, bass, vocals and other) * Set your own background image and choose from a growing list of background visual FX 8 Built-in Microphone FX: * More Bass * More Treble * Fuzz * Robot * Reverb * Octave up * Octave down * Synthesizer 16 Built-in DJ Mix FX: * Bit-crusher * Pitch-shift * Comb filter * Ring modulator * Reverb * Stutter * Gate * Resonant High/Low Pass Filters * Cutter * Reverse * Dub * Tempo Delay * Talkbox * VibroFlange * Dirty * Compressor Features included in SAMURAI In-App Purchase * Pro-quality Timestretch (5 modes: Modern, Retro, Beats, Re-pitch and Cyclic) * Piano roll editor * Auto-chop (auto, equal, and lazy chop) * 3 Band EQ * Pocket operator sync out * Quokka Synth - powerhouse polyphonic synthesizer * MIDI Out - control external MIDI hardware with Koala's sequencer * Chopper - multimodal sample chopping instrument Features included in MIXER In-App Purchase * Mix your beats professionally with a 4 channel mixer + main bus * Route any sample to any channel * Mute/solo, faders and accurate metering on every channel * 5 effect slots per channel * 29 high-quality effects - compressors, filters, phasers and more, with new effects to come * Host AUv3 plugins - both audio effects and instruments
Absolute-Develop Perfect Pitch
This app offers structured exercises to help users develop perfect pitch, the ability to identify musical notes quickly and accurately. It guides users through 22 levels with four distinct exercise types designed to build pitch recognition and recall.
- Develop perfect pitch
- Structured 22-level exercise plan
- Four types of musical exercises
- Tonal mnemonic training
- Pitch identification practice
- Accuracy and tempo performance tracking
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Absolute is an app that helps you to develop Perfect Pitch - the ability that allows you to identify and recall musical pitches quickly and accurately. WHO CAN USE IT? The widely accepted position is that Perfect Pitch can be developed only by kids within the so-called critical period of learning. However there are some studies that show that some adults also could acquire this ability with appropriate and consistent training. So it is not guaranteed that you acquire a genuine Perfect Pitch, but there are very good chances that with sufficient practice you will develop a good tonal sense and the ability to identify and recall pitches without any reference pitch. HOW IT WORKS? The app provides a well structured plan of exercises. The plan consists of 22 levels. Levels differ from each other by the set of pitches(notes) they include. Number of pitches in a level gradually increases as you progress through the plan. There are 4 types of exercises in a level: 1. For each note, you learn tonal mnemonics, called resolutions. A resolution is a short melodic phrase which always leads from the original note to the root note (note C). Resolutions allow you to form a unique mental picture for each of the 12 notes. The app plays you the resolution and visually indicates which notes are being played. You play the same sequence of notes in response. 2. You develop the ability to identify the resolutions by ear. The app plays you a resolution but doesn't show you which notes are being played. You try to identify the resolution and play it back. 3. You build up the association between a pitch and it's resolution. The app plays you a single pitch. You try to recall and play the resolution. 4. After you have sufficiently practiced the previous exercises you are given the task to identify pitches. The app plays you a pitch or a series of pitches and you play the same pitch(pitches) in response. There are two properties of your performance that allow you to advance through the plan: Accuracy and Tempo. Accuracy is the percentage of the correct answers in a given exercise session. You need to gain at least 90% to pass an exercise session. You also need to complete an exercise at a specific tempo (passing tempo) to unlock the next exercise. The key idea behind the increasing tempos of the practice sessions is that the shrinking time constraints force your brain to internalize the mental processes involved in the pitch identification activity. In other words, the brain moves the processing from the conscious to the unconscious realm. And as the result, at some point, the process of pitch identification is optimized to a level where you don’t need to use the resolution mnemonic any more. You just hear and immediately recognize a unique image of a musical pitch. A NOTE FROM THE DEVELOPER: I am a musician myself. I play and teach fingerstyle guitar. I don’t have perfect pitch. So partially, I developed the app for myself and my kids. I made a lot of research on the subject and investigated multiple methodologies used for developing perfect pitch. The method used in the app looks the most promising for me. My kids and I have just started to practice using the app and I already see some good results. So, happy practicing! Dmitry PRIVACY POLICY: We take your privacy very seriously. Absolute does not collect any user data. All your practice progress data is securely stored in your private iCloud data storage.
Screenshots
Verdict
The clearest difference is in-app purchases: Absolute-Develop Perfect Pitch at none against Koala Sampler's 8. Absolute-Develop Perfect Pitch also leads on rating (5.0 vs 4.8) and review sentiment (100% vs 88%). Koala Sampler's advantage is ratings volume (1.4K vs 7) and chart position (#6 vs #190). On update cadence, ads and device support 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
Koala Sampler costs $4.99 and Absolute-Develop Perfect Pitch $2.99 up front. Koala Sampler sells 8 one-off in-app purchases. Absolute-Develop Perfect Pitch asks for nothing beyond the download.
Absolute-Develop Perfect Pitch holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Koala Sampler has 1.4K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 88% of Koala Sampler's written reviews are positive against 100% of Absolute-Develop Perfect Pitch's.
Koala Sampler ships an update every 3 weeks, Absolute-Develop Perfect Pitch every 5 weeks. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.
| Parameter | Koala Sampler | Absolute-Develop Perfect Pitch |
|---|---|---|
| Price | $4.99 | $2.99 — better |
| Rating | 4.8 (1.4K ratings) | 5.0 (7 ratings) — better |
| Positive reviews | 88.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 1.4K — better | 7 |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | #6 — better | #190 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 10.3 — better |
| Further details — not scored | ||
| Size | 59 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Mazbox Limited | Dmitrii Klochkov |
Customer experience
Koala Sampler
Absolute-Develop Perfect Pitch
Bugs and requests
Koala Sampler
Reported bugs
3 issues- Samples not loading or disappearing after app updates
- Sequencer timing and quantization issues
- Crashes when using certain features or with large projects
Requested features
5 requests- Ability to record and edit MIDI sequences
- More comprehensive effects and sound processing tools
- Improved sample management and organization features
- Support for external MIDI controllers and hardware integration
- Customizable color schemes and UI themes
Absolute-Develop Perfect Pitch
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Koala Sampler
- Koala AUv3 Plugin$1.99
- Ese-O's Sample Pack$2.99
- Solar Studies Samplepack$2.99
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- Soon Come Dub Sample Pack$2.99
- Analog Astronaut Samplepack$2.99
- Cirrus Cuts Sample Pack$2.99
- Samurai Edition$3.99
- Mixer$4.99
Absolute-Develop Perfect Pitch
No in-app purchases
Questions
Is Koala Sampler free?
Is Absolute-Develop Perfect Pitch free?
Which has better reviews, Koala Sampler or Absolute-Develop Perfect Pitch?
Do Koala Sampler or Absolute-Develop Perfect Pitch have ads?
Which is updated more often, Koala Sampler or Absolute-Develop Perfect Pitch?
Which is more popular, Koala Sampler or Absolute-Develop Perfect Pitch?
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