# Pencil Sketch Image vs InstaKu

The clearest difference is update cadence: InstaKu at daily against Pencil Sketch Image's every 3 months. On price, ads, 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.

Pencil Sketch Image ships an update every 3 months, InstaKu daily. The most recent releases landed on September 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Pencil Sketch Image | InstaKu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Daily** |
| Size | 30 MB | 34 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) | [Monosphere](https://appshunter.io/developer/1783637905) |

## What reviewers say

### Pencil Sketch Image

[App page](https://appshunter.io/ios/app/pencil-sketch-image/id6445859102)

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

**In-app purchases:** none


### InstaKu

[App page](https://appshunter.io/ios/app/instaku/id6743679299)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pencil Sketch Image free?

Pencil Sketch Image is free to download, with no in-app purchases.

### Is InstaKu free?

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

### Do Pencil Sketch Image or InstaKu have ads?

Both Pencil Sketch Image and InstaKu show ads.

### Which is updated more often, Pencil Sketch Image or InstaKu?

Pencil Sketch Image ships an update every 3 months, and InstaKu daily. Most recently, Pencil Sketch Image was updated on September 9, 2026 and InstaKu on September 22, 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.*