# Cat Novel Author vs METH

The clearest difference is in-app purchases: METH at none against Cat Novel Author's 10. METH also leads on update cadence (every 4 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cat Novel Author sells 10 one-off in-app purchases. METH asks for nothing beyond the download.

Cat Novel Author ships an update every 3 months, METH every 4 days. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Cat Novel Author | METH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/meth-meth/id6670773933/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 65 MB | 48 MB |
| Requires iOS | 14.3 | **14.0.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [靖 伍](https://appshunter.io/developer/1736748449) | [Tj Business Group S.A. de C.V.](https://appshunter.io/developer/1492943861) |

## What reviewers say

### Cat Novel Author

[App page](https://appshunter.io/ios/app/cat-novel-author/id6615070690)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 黑貓付費服務.10 | $8.19 | one-time |
| 黑貓付費服務.2 | $19.99 | one-time |
| 黑貓付費服務.3 | $29.99 | one-time |
| 黑貓付費服務.6 | $34.99 | one-time |
| 黑貓付費服務.4 | $59.99 | one-time |
| 黑貓付費服務.7 | $64.99 | one-time |
| 黑貓付費服務.5 | $99.99 | one-time |
| 黑貓付費服務.8 | $149.99 | one-time |
| 黑貓付費服務.11 | $299.00 | one-time |
| 黑貓付費服務.9 | $364.99 | one-time |


### METH

[App page](https://appshunter.io/ios/app/meth-meth/id6670773933)

Configure, control, and monitor your methanol injection kit directly from your mobile device. This utility app provides essential tools for managing your injection system's performance.

**Highlights:** Configure injection kit settings, Control injection kit operation, Monitor injection kit performance, Mobile device integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cat Novel Author free?

Cat Novel Author is free to download, with in-app purchases available.

### Is METH free?

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

### Do Cat Novel Author or METH have ads?

Neither Cat Novel Author nor METH shows ads.

### Which is updated more often, Cat Novel Author or METH?

Cat Novel Author ships an update every 3 months, and METH every 4 days. Most recently, Cat Novel Author was updated on October 27, 2026 and METH on October 21, 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.*