# bismark m16 vs FrequencyCat

The clearest difference is review sentiment: FrequencyCat at 100% against bismark m16's 20%. FrequencyCat also leads on price (Free vs $3.99) and rating (5.0 vs 3.8). bismark m16's advantage is update cadence (every 6 weeks vs every 40 months) and chart position (#198 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

FrequencyCat is free to download; bismark m16 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FrequencyCat holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: bismark m16 has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 20% of bismark m16's written reviews are positive against 100% of FrequencyCat's.

bismark m16 ships an update every 6 weeks, FrequencyCat every 40 months. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | bismark m16 | FrequencyCat |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/bismark-m16/id1293998203/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/frequencycat/id6448219399/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 40 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#198** | — |
| Size | 39 MB | 3 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [bismark LLC](https://appshunter.io/developer/1213793300) | [Xuesong Zhang](https://appshunter.io/developer/1684075008) |

## What reviewers say

### bismark m16

[App page](https://appshunter.io/ios/app/bismark-m16/id1293998203)

**Currently charting:** #198 Top Paid · Music (US App Store)

This application plays Standard MIDI Files (SMF) for General MIDI specification. It allows users to control MIDI channels, adjust playback settings, and mix with other music apps. Supports background playback and external MIDI modules.

**Highlights:** Load SMF for GM specification, Manage song files in iCloud Drive, Mute/solo MIDI channels, Display performance information, Control playback, key, and tempo, Background MIDI playback, CoreMIDI output for external modules

**Features:** macOS Compatibility

**In-app purchases:** none


### FrequencyCat

[App page](https://appshunter.io/ios/app/frequencycat/id6448219399)

Transform your photos into unique sound art using advanced image-to-sound technology. Explore, enjoy, and share your creative audio-visual pieces. Embrace your inner artist and discover the unexpected.

**Highlights:** Morph images into sound art, Create spectrogram oddities, Share sound art creations, Unique audio-visual experience

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

**In-app purchases:** none


## Frequently asked questions

### Is bismark m16 free?

bismark m16 costs $3.99, with no in-app purchases.

### Is FrequencyCat free?

FrequencyCat is free to download, with no in-app purchases.

### Which has better reviews, bismark m16 or FrequencyCat?

FrequencyCat is rated higher. bismark m16 averages 3.8 out of 5 from 5 ratings, while FrequencyCat averages 5.0 from 1 ratings.

### Do bismark m16 or FrequencyCat have ads?

Neither bismark m16 nor FrequencyCat shows ads.

### Which is updated more often, bismark m16 or FrequencyCat?

bismark m16 ships an update every 6 weeks, and FrequencyCat every 40 months. Most recently, bismark m16 was updated on October 9, 2026 and FrequencyCat on October 6, 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.*