harpSampler vs RazielReveal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
harpSampler
Transform your device into a multi-touch harp by importing your own sounds or using the built-in sampler. Create unique musical instruments and special effects with adjustable octaves, scales, and chords.
- Import custom sounds for instrument generation
- Automatic 8-octave harp creation
- Multi-touch interface for live performance
- Adjustable scales and chords
- Real-time sound bending and start position control
- Record live performances
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"harpSampler" transforms your device into a professional multi-touch harp with sound sampler. Simply create your own sound sample (an "A" or "LA" note for musical instrument sound or any note for special sounds or special effects): - using the "REC" button of harpSampler (uses the internal microphone of the device to record the sound sample for the harp) - importing the sound sample that you have created with a wave editor for MAC or PC in your device through iTunes synchronization - using copy / paste for the audio file you have created using the technology "iTunes File Sharing" Once imported the sound sample, harpSampler tool will automatically create the complete "Harp" (with 8 octaves). At which point you can play your harp (with the sound created by you or using the default "HARP" sound included in the application bundle), or entertain your friends with a scale of special effects (harp style). The software is able to read all files / audio samples that are compatible with your portable device (.wav, .mp3, .m4a, .caf, etc ...), you can then create your sound (you only need one audio file) using standard wave editor for Mac or PC, add reverb, chorus, special effects (you can manipulate the sound as you wish), save it in the file format that you prefer and use harpSampler to automatically create the complete musical instrument, to be played like an harp. Using the "SAMPLE START POSITION" control you can choose the exact play start position of the sound sample ("wave cut"). Using the "REC" button you can record your live performance or record a new sound sample to be assigned to the musical instrument. Using the different scales (You can choose the scale You want from the "SCALE" menu), you do not need necessarily to be an expert musician to play some beautiful scales with your harp. Also, using the "chords" control (C, D, E, F, G, A, B) you can choose the chord for your harp or scale ("chords" work together with the "scale") . With harpSampler You can create the harp of your dreams or, in general, you can create any kind of musical instrument, or special effects generator and play it like an harp! Features: - Import any sound, and automatic generation of the musical instrument (8 octaves) - Storing infinite sounds using the archive of sound samples "Samples Archive" of harpSampler - Harp multi-touch for live music performances - Check for increase / decrease the eighth harp used in real time - "Bending" control to change the sound of the device in real time - "Sample Start Position" control: you can remove the initial part of a sample (eg. silence), specifying the play start time of the sample ("wave cut" feature) - "STOP" button to immediately stop the harp sound - Harp with multiple voices (up to 96 voices) - Default "HARP" sound provided with the app - Ability to "record" musical patterns during the live performance: start the recording (pressing the "REC" button), harpSampler will record an audio file of the music you are playing with the harp musical instrument (press a cable of the harp to play the recorded audio of Your live performance) - "CHORDS" control - Multiple scales selectable from the "SCALE" menu - Virtual keyboard, pressing the "V. KEYB.": disable the automatic scale and enable the virtual keyboard on the cables of the harp *** PROMOTIONAL MESSAGE: If You want to play the "Golden Gate Bridge" like a giant harp, using the sound samples of the Golden Gate Bridge itself, You can download the app "Play The Golden Gate Bridge". The sound samples of the "Golden Gate Bridge" provided with the "Play The Golden Gate Bridge" app were sampled by the "San Francisco Synthesizer Ensemble" company. Amazing sounds… Try it !!! ***
RazielReveal
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RazielReveal turns songs you own into a private, on-device practice session for singing, guitar, and piano. Import a song and create a synchronized eight-part practice mix: lead vocal, background vocal, lead guitar, rhythm guitar, drums, bass, piano, and other instruments. With RazielReveal, you can: • Shape every part with independent level, pan, mute, and solo controls, synchronized waveforms, meters, seeking, and transport controls. • Adjust playback speed and key to practise at a comfortable pace. • Create vocal, guitar, and piano MIDI guides. Explore them in scrollable, zoomable piano rolls with a spectrum background, bars, beats, lyric words, and chord annotations. • Follow on-device, word-timed lyrics and chords in a singer-friendly sheet. Choose Adaptive lines or Sentence lines, see the current lyric word and chord highlighted, and keep instrumental chord passages readable. • Switch to Bar & Beat Chords for a measure-oriented view. Song-section markers and quick segment tags make it easier to jump between parts of a song. • Connect a AUPHY GT guitar fretboard lights or Litejam Guitar over Bluetooth for illuminated fretboard guidance, or practise with ROLI PIANO / LUMI KEYS with on-screen piano roll and on-screen keyboard. • Save songs and their local analysis for later practice. • Optionally unlock Premium features, including audio and MIDI export, sheet auto-scroll and printing, and song-bundle backup and restore. Purchases are optional and can be restored from the paywall. • Keep your music on your device: separation, analysis, and playback are performed locally. Use only audio you own or have permission to use. Terms of Use (EULA): https://bwinnovationtw.github.io/apps/razielreveal/eula.html
Screenshots
Verdict
The clearest difference is price: RazielReveal at Free against harpSampler's $0.99. RazielReveal also leads on update cadence (every 2 days vs every 37 months). harpSampler's advantage is in-app purchases (none vs 4). On ads, device support and iOS requirement 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
RazielReveal is free to download; harpSampler costs $0.99 up front. RazielReveal sells 4 in-app purchases, starting at $0.99 per 7 days. harpSampler asks for nothing beyond the download.
harpSampler ships an update every 37 months, RazielReveal every 2 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.
| Parameter | harpSampler | RazielReveal |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 37 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Gianluca Natalini | Better World Studio |
In-app purchases
harpSampler
No in-app purchases
RazielReveal
- RazielReveal Premium3 Days trial$0.997 Days
- RazielReveal Premium$1.991 Month
- RazielReveal Premium$9.991 Year
- RazielReveal Premium Lifetime$19.99
Questions
Is harpSampler free?
Is RazielReveal free?
Do harpSampler or RazielReveal have ads?
Which is updated more often, harpSampler or RazielReveal?
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