# AudioBook(Pro) vs Chaterm

The clearest difference is price: Chaterm at Free against AudioBook(Pro)'s $2.99. Chaterm also leads on update cadence (fortnightly vs every 25 months). AudioBook(Pro)'s advantage is in-app purchases (none vs 8). On ads, device support and iOS requirement there is nothing between them.

Chaterm is free to download; AudioBook(Pro) costs $2.99 up front. Chaterm sells 8 in-app purchases, starting at $19.00 per month. AudioBook(Pro) asks for nothing beyond the download.

AudioBook(Pro) ships an update every 25 months, Chaterm fortnightly. The most recent releases landed on September 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | AudioBook(Pro) | Chaterm |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 60 MB | 50 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Hrishi Suthar](https://appshunter.io/developer/1660005858) | [INTSIG PTE. LTD.](https://appshunter.io/developer/1653061559) |

## What reviewers say

### AudioBook(Pro)

[App page](https://appshunter.io/ios/app/audiobookpro/id6453291546)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chaterm

[App page](https://appshunter.io/ios/app/chaterm/id6754307456)

This app allows users to execute commands in natural language, automate tasks with AI agents, and diagnose/repair system faults. It offers explainable and auditable command generation with interactive security confirmations.

**Highlights:** Natural language command execution, AI agent automation, Fault diagnosis and repair, Explainable and auditable commands, Interactive security confirmations, Semantic parsing and intent alignment

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $19.00 | per month |
| Ultra Monthly | $59.00 | per month |
| Pro Yearly | $199.00 | per year |
| Ultra Yearly | $599.00 | per year |
| Pro Monthly | $19.00 | one-time |
| Ultra Monthly | $59.00 | one-time |
| Pro Yearly | $199.00 | one-time |
| Ultra Yearly | $599.00 | one-time |


## Frequently asked questions

### Is AudioBook(Pro) free?

AudioBook(Pro) costs $2.99, with no in-app purchases.

### Is Chaterm free?

Chaterm is free to download, with in-app purchases available.

### Do AudioBook(Pro) or Chaterm have ads?

Neither AudioBook(Pro) nor Chaterm shows ads.

### Which is updated more often, AudioBook(Pro) or Chaterm?

AudioBook(Pro) ships an update every 25 months, and Chaterm fortnightly. Most recently, AudioBook(Pro) was updated on September 7, 2026 and Chaterm on September 18, 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.*