Open Granular vs Folder Time
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Open Granular
An open-source application for creating unique sounds through granular synthesis. Explore detailed information and updates on the developer's blog.
- Open source granular synthesizer
- Sound design tool
- Detailed blog for updates
- Cross-device compatibility
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Open source granular synthesizer. Check out our blog for details!
Folder Time
This app plays audio files in MP3, MP4, and WAV formats. It offers a straightforward way to access and listen to your music library directly from your device.
- Plays MP3 files
- Plays MP4 audio
- Plays WAV files
- Simple interface
- Device audio access
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A simple audio file player for the following file formats: mp3 mp4 wav Folder Time Carl M. Cartagena https://carlcartagena.com/
Screenshots
Verdict
The clearest difference is rating: Folder Time at 5.0 against Open Granular's 4.5. Open Granular's advantage is update cadence (every 3 days vs weekly) and ratings volume (13 vs 1). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Folder Time holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Open Granular has 13 ratings behind it against 1, so its average is the more settled of the two.
Open Granular ships an update every 3 days, Folder Time weekly. The most recent releases landed on September 24, 2026 and June 1, 2026 respectively.
| Parameter | Open Granular | Folder Time |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (13 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 13 — better | 1 |
| Update frequency | Every 3 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 4 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | The Strange Agency LLC | Carl Cartagena |
Customer experience
Open Granular
Folder Time
In-app purchases
Open Granular
No in-app purchases
Folder Time
No in-app purchases
