# isfizz vs sub808

The clearest difference is review sentiment: isfizz at 100% against sub808's 0%. isfizz also leads on rating (4.7 vs 4.2) and price ($2.99 vs $9.99). sub808's advantage is iOS requirement (12.0 vs 15.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

isfizz costs $2.99 and sub808 $9.99 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 4.2. Both are backed by a comparable volume of ratings — 14 and 10 respectively. Written reviews point the same way: 100% of isfizz's written reviews are positive against 0% of sub808's.

isfizz ships an update fortnightly, sub808 every 6 months. The most recent releases landed on September 19, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | isfizz | sub808 |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| Rating | **[4.7 (14 ratings)](https://appshunter.io/ios/app/isfizz/id6470708963/reviews)** | [4.2 (10 ratings)](https://appshunter.io/ios/app/sub808/id6475637520/reviews) |
| Number of ratings | **14** | 10 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Paid | Paid |
| Best chart rank | **#143** | — |
| Size | 6 MB | 150 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryouta Kira](https://appshunter.io/developer/862984358) | [OSC Audio](https://appshunter.io/developer/1693533681) |

## What reviewers say

### isfizz

[App page](https://appshunter.io/ios/app/isfizz/id6470708963)

**Currently charting:** #143 Top Paid · Music (US App Store)

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.

**Highlights:** SFZ file playback, Audio Unit Extension (AUv3) support, Edit SFZ strings, Load SFZ files in place, Scala tuning file support, MIDI support

**Features:** Vision Pro support

**In-app purchases:** none


### sub808

[App page](https://appshunter.io/ios/app/sub808/id6475637520)

Create powerful sub-bass sounds with this intuitive instrument app. Explore analog-inspired flavors, fine-tune saturation, and sculpt your basslines with versatile envelope and shaper controls. Compatible across devices for seamless production.

**Highlights:** 50 Factory Presets, 4 Analog Flavors, 8 Saturation Modes, Filter Cutoff & Glide, Handcrafted Envelope & Shaper, Cross-platform Compatibility

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is isfizz free?

isfizz costs $2.99, with no in-app purchases.

### Is sub808 free?

sub808 costs $9.99, with no in-app purchases.

### Which has better reviews, isfizz or sub808?

isfizz is rated higher. isfizz averages 4.7 out of 5 from 14 ratings, while sub808 averages 4.2 from 10 ratings.

### Do isfizz or sub808 have ads?

Neither isfizz nor sub808 shows ads.

### Which is updated more often, isfizz or sub808?

isfizz ships an update fortnightly, and sub808 every 6 months. Most recently, isfizz was updated on September 19, 2026 and sub808 on September 7, 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.*