iSoundBank vs isfizz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iSoundBank
This app allows users to play sound bank files in SF2 and DLS formats. It includes a built-in General MIDI sound bank and supports importing and sharing these audio files. MIDI input is also available from external devices or virtual sources.
- SF2 and DLS sound bank playback
- Built-in General MIDI sound bank
- Import and share SF2/DLS files
- MIDI In support (Core MIDI/virtual)
- iPhone, iPad, and iPod compatible
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iSoundBank is a sound bank player for SF2 and DLS format files. Main Features: - Build in a GM sound bank. - Importing or sharing SF2 and DLS. - MIDI In available (From Core MIDI devices or virtual MIDI In)
isfizz
This app plays SFZ files, an open format for sampled sound instruments. It supports various audio file formats, MIDI, and Scala tuning files. It also functions as an Audio Unit Extension (AUv3) for use with other music apps.
- SFZ file playback
- Audio Unit Extension (AUv3) support
- Edit SFZ strings
- Load SFZ files in place
- Scala tuning file support
- MIDI support
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isfizz is a SFZ file player. SFZ is an open text format for sampled sound instruments. This app can load SFZ and play the instrument. - Includes Audio Unit Extension (AUv3). - You can edit SFZ string. - The app loads SFZ files in place without copying the files. - Double tap to enter the value, triple tap to reset. - Supports Scala tuning files (.scl). - Supports MIDI. - Supports 16 out. use the "output=N" opcode in SFZ. Supported sample file format: - .wav (raw PCM) - .aiff - .mp3 - .flac - .ogg (vorbis) - .wv (wavpack) This app is an iPhone/iPad port of sfizz-ui project. The app is made from some sfizz-ui codes and images. About half of the income from this app will be donated to SFZ Tools team. This app and the description contain machine translated text.
Screenshots
Verdict
The clearest difference is review sentiment: isfizz at 100% against iSoundBank's 46%. isfizz also leads on rating (4.7 vs 3.0) and update cadence (every 3 weeks vs every 8 months). iSoundBank's advantage is price ($0.99 vs $2.99) and iOS requirement (11.0 vs 15.0). 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
iSoundBank costs $0.99 and isfizz $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
isfizz holds the better App Store score, 4.7 against 3.0. Both are backed by a comparable volume of ratings — 5 and 14 respectively. Written reviews point the same way: 46% of iSoundBank's written reviews are positive against 100% of isfizz's.
iSoundBank ships an update every 8 months, isfizz every 3 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | iSoundBank | isfizz |
|---|---|---|
| Price | $0.99 — better | $2.99 |
| Rating | 3.0 (5 ratings) | 4.7 (14 ratings) — better |
| Positive reviews | 46.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 | 14 — better |
| Update frequency | Every 8 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #199 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Supertintin Co., Ltd | Ryouta Kira |
Customer experience
iSoundBank
isfizz
In-app purchases
iSoundBank
No in-app purchases
isfizz
No in-app purchases
