# WoolImager vs Doodle Filter

The clearest difference is price: Doodle Filter at Free against WoolImager's $1.99. Doodle Filter also leads on update cadence (every 2 weeks vs every 29 months). WoolImager's advantage is ads (none vs shown) and ratings volume (3 vs 1). On rating, in-app purchases and device support there is nothing between them.

Doodle Filter is free to download; WoolImager costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for WoolImager against 5.0 for Doodle Filter. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

WoolImager ships an update every 29 months, Doodle Filter every 2 weeks. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | WoolImager | Doodle Filter |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/woolimager/id1437348332/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/doodle-filterblackboardcamera/id6745624361/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Every 2 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 48 MB | 8 MB |
| Requires iOS | **9.3** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NOBORU IMAI](https://appshunter.io/developer/896071356) | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) |

## What reviewers say

### WoolImager

[App page](https://appshunter.io/ios/app/woolimager/id1437348332)

Transform your photos into unique wool-like line art. Observe the organic growth of lines and guide their direction with touch gestures to create painterly effects.

**Highlights:** Photo to wool-like line art conversion, Observe line growth process, Finger tracing to change growth direction, Create paint-like art effects, Supports iPhone and iPad

**Features:** Vision Pro support

**In-app purchases:** none


### Doodle Filter

[App page](https://appshunter.io/ios/app/doodle-filterblackboardcamera/id6745624361)

Apply a real-time chalkboard drawing effect to your photos and videos. Use your device's screen recording feature to capture your creations. This free app offers a unique visual style for your content.

**Highlights:** Real-time chalkboard drawing effect, Apply effects to photos, Apply effects to videos, Uses iOS screen recording, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WoolImager free?

WoolImager costs $1.99, with no in-app purchases.

### Is Doodle Filter free?

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

### Which has better reviews, WoolImager or Doodle Filter?

WoolImager and Doodle Filter are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do WoolImager or Doodle Filter have ads?

Doodle Filter shows ads; WoolImager does not.

### Which is updated more often, WoolImager or Doodle Filter?

WoolImager ships an update every 29 months, and Doodle Filter every 2 weeks. Most recently, WoolImager was updated on October 13, 2026 and Doodle Filter on October 15, 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.*