# Chaptr vs Material Numbers

The clearest difference is price: Material Numbers at Free against Chaptr's $2.99. Material Numbers also leads on update cadence (every 2 days vs every 6 weeks) and iOS requirement (13.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

Material Numbers is free to download; Chaptr costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chaptr ships an update every 6 weeks, Material Numbers every 2 days. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Chaptr | Material Numbers |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/chaptr/id1148381183/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Paid | — |
| Size | 2 MB | 14 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Trauth](https://appshunter.io/developer/1073103749) | [ASMEIX CORPORATION](https://appshunter.io/developer/911716652) |

## What reviewers say

### Chaptr

[App page](https://appshunter.io/ios/app/chaptr/id1148381183)

Easily create chapter marks for audio productions on your iPhone or Apple Watch. Import audio files, add marks with simple clicks, and export them in various podcast-friendly formats. Adjust mark timing and listening speed for efficient workflow.

**Highlights:** Create chapter marks on iPhone and Apple Watch, Import audio from cloud services or web, Add marks with simple earbud clicks, Edit mark timecodes, Adjust playback speed, Export to multiple podcast formats

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Material Numbers

[App page](https://appshunter.io/ios/app/material-numbers/id6503355283)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chaptr free?

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

### Is Material Numbers free?

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

### Do Chaptr or Material Numbers have ads?

Neither Chaptr nor Material Numbers shows ads.

### Which is updated more often, Chaptr or Material Numbers?

Chaptr ships an update every 6 weeks, and Material Numbers every 2 days. Most recently, Chaptr was updated on October 3, 2026 and Material Numbers on September 29, 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.*