# Audio Notebook vs Time Flow Calendar

The clearest difference is ads: Time Flow Calendar at none against Audio Notebook's shown. Time Flow Calendar also leads on update cadence (weekly vs every 3 months). Audio Notebook's advantage is iOS requirement (13.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Audio Notebook ships an update every 3 months, Time Flow Calendar weekly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Audio Notebook | Time Flow Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/audio-notebook-voice-recorder/id720435436/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 11 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Qrayon, LLC](https://appshunter.io/developer/354980265) | [Bar Tech Labs Limited](https://appshunter.io/developer/1857248671) |

## What reviewers say

### Audio Notebook

[App page](https://appshunter.io/ios/app/audio-notebook-voice-recorder/id720435436)

Record lectures, meetings, or thoughts with this voice recorder and note-taking app. Features include 2x playback speed for faster review and a wide-screen editor for comfortable note-taking on your iPad. Try the free edition with limited notes.

**Highlights:** All-day audio recording, 2x playback speed, Wide-screen text editor, Note-taking for lectures and meetings, Free edition available

**Features:** macOS Compatibility

**In-app purchases:** none


### Time Flow Calendar

[App page](https://appshunter.io/ios/app/time-flow-calendar/id6759542438)

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

**In-app purchases:** none


## Frequently asked questions

### Is Audio Notebook free?

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

### Is Time Flow Calendar free?

Time Flow Calendar is free to download, with no in-app purchases.

### Do Audio Notebook or Time Flow Calendar have ads?

Audio Notebook shows ads; Time Flow Calendar does not.

### Which is updated more often, Audio Notebook or Time Flow Calendar?

Audio Notebook ships an update every 3 months, and Time Flow Calendar weekly. Most recently, Audio Notebook was updated on November 6, 2026 and Time Flow Calendar on November 5, 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.*