# iOptigan vs FontStack

The clearest difference is price: iOptigan at $5.99 against FontStack's $14.99. iOptigan also leads on rating (4.8 vs 4.5) and review sentiment (92% vs 75%). FontStack's advantage is in-app purchases (none vs 16). On ads and device support there is nothing between them.

iOptigan costs $5.99 and FontStack $14.99 up front. iOptigan sells 16 one-off in-app purchases. FontStack asks for nothing beyond the download.

iOptigan holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: iOptigan has 114 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 92% of iOptigan's written reviews are positive against 75% of FontStack's.

## The numbers

| Metric | iOptigan | FontStack |
| --- | --- | --- |
| Price | **$5.99** | $14.99 |
| Rating | **[4.8 (114 ratings)](https://appshunter.io/ios/app/ioptigan/id1143470101/reviews)** | [4.5 (12 ratings)](https://appshunter.io/ios/app/fontstack/id6742742740/reviews) |
| Number of ratings | **114** | 12 |
| Positive reviews | **92.2% of reviews** | 75.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#98** | — |
| Size | 179 MB | 308 MB |
| Requires iOS | **8.0** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Stefan Stenzel](https://appshunter.io/developer/1143470100) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### iOptigan

[App page](https://appshunter.io/ios/app/ioptigan/id1143470101)

**Currently charting:** #98 Top Paid · Music (US App Store)

Experience the unique lo-fi sound of a vintage optical organ on your iOS device. This app faithfully recreates the original instrument's sound and functionality, allowing you to play chord patterns and explore different musical styles. It includes a virtual spring reverb, metronome, and MIDI capabilities for expanded creative control.

**Highlights:** Authentic lo-fi optical organ sound, Virtual spring reverb, Optical metronome, MIDI in/out and chord detection, Sequencer with record/playback, Audio and MIDI file sharing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Champagne Music | $0.99 | one-time |
| Country Waltz | $0.99 | one-time |
| Romantic Strings | $0.99 | one-time |
| Big Top Marching Band | $0.99 | one-time |
| Polynesian Village | $0.99 | one-time |
| Singing Rhythm | $0.99 | one-time |
| Rollin’ Easy | $0.99 | one-time |
| Movin' | $0.99 | one-time |
| Cathedral Organ | $0.99 | one-time |
| Vox Humana | $0.99 | one-time |
| Country Sunshine | $0.99 | one-time |
| Down Home | $0.99 | one-time |
| Gospel Rock | $0.99 | one-time |
| Guitar Boogie | $0.99 | one-time |
| New Orleans Blues | $0.99 | one-time |
| Complete Disc Pak | $5.99 | one-time |

**What reviewers like**

- 🤩 Incredible sound quality
- 🎶 Unique musical instrument recreation
- ✨ Dream come true for musicians
- 🎹 Great for experimentalists
- 👍 Well-executed and fun

**What reviewers complain about**

- 🐛 Stuck/phantom keys
- 🐛 Audio clipping issues
- 🐛 Left-only headphone audio
- 🐛 Touch issues on bottom row
- 🐛 InterApp Audio broken in Garageband

**Reported bugs**

- Stuck/phantom keys on M1 iPad Pro
- E major plays D Diminished sample
- Bottom row of controls unresponsive
- Audio level clipping, especially when slowing playback
- Left-only headphone audio output

**Requested features**

- Update codebase with AudioKit Engine
- Allow app to run in background
- Add AudioUnit Extension support
- Include newly released sound packs
- Clarify chord identification methods


### FontStack

[App page](https://appshunter.io/ios/app/fontstack/id6742742740)

This app allows musicians to load and utilize classic SoundFont (.sf2) files within their digital audio workstation. It offers layering, key splitting, and instrument caching for creative sound design and quick access to a vast library of sounds.

**Highlights:** 4 SoundFont layers, Keyboard splits, SoundFont stacking, Instrument caching, Remote folder linking, Reverb, Delay, Chorus effects, Amp Envelope and Filter control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iOptigan free?

iOptigan costs $5.99, and also offers in-app purchases.

### Is FontStack free?

FontStack costs $14.99, with no in-app purchases.

### Which has better reviews, iOptigan or FontStack?

iOptigan is rated higher. iOptigan averages 4.8 out of 5 from 114 ratings, while FontStack averages 4.5 from 12 ratings.

### Do iOptigan or FontStack have ads?

Neither iOptigan nor FontStack shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*