# Inpentory vs PencilDB

The clearest difference is in-app purchases: PencilDB at none against Inpentory's 3. PencilDB also leads on update cadence (every 9 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Inpentory sells 3 in-app purchases, starting at $1.99 per month. PencilDB asks for nothing beyond the download.

Inpentory ships an update every 5 weeks, PencilDB every 9 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Inpentory | PencilDB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Size | 3 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ryunosuke Sawada](https://appshunter.io/developer/1832898594) | [ideo Entertainment Inc.](https://appshunter.io/developer/730082924) |

## What reviewers say

### Inpentory

[App page](https://appshunter.io/ios/app/inpentory/id6749924722)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム月額プラン | $1.99 | per month |
| プレミアム年額プラン | $9.99 | per year |
| プレミアムプラン | $14.99 | one-time |


### PencilDB

[App page](https://appshunter.io/ios/app/pencildb/id6798742547)

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

**In-app purchases:** none


## Frequently asked questions

### Is Inpentory free?

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

### Is PencilDB free?

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

### Do Inpentory or PencilDB have ads?

Neither Inpentory nor PencilDB shows ads.

### Which is updated more often, Inpentory or PencilDB?

Inpentory ships an update every 5 weeks, and PencilDB every 9 days. Most recently, Inpentory was updated on October 25, 2026 and PencilDB on October 25, 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.*