# Doodle Filter vs Thumbnail Oracle

The clearest difference is in-app purchases: Doodle Filter at none against Thumbnail Oracle's 2. Doodle Filter also leads on iOS requirement (15.6 vs 17.6). Thumbnail Oracle's advantage is ads (none vs shown) and update cadence (every 2 days vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. Thumbnail Oracle sells 2 in-app purchases, starting at $3.99 per month. Doodle Filter asks for nothing beyond the download.

Doodle Filter ships an update every 2 weeks, Thumbnail Oracle every 2 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Doodle Filter | Thumbnail Oracle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/doodle-filterblackboardcamera/id6745624361/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 4 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) | [Brett Jones](https://appshunter.io/developer/1401362032) |

## What reviewers say

### 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


### Thumbnail Oracle

[App page](https://appshunter.io/ios/app/thumbnail-oracle/id6762021670)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is Doodle Filter free?

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

### Is Thumbnail Oracle free?

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

### Do Doodle Filter or Thumbnail Oracle have ads?

Doodle Filter shows ads; Thumbnail Oracle does not.

### Which is updated more often, Doodle Filter or Thumbnail Oracle?

Doodle Filter ships an update every 2 weeks, and Thumbnail Oracle every 2 days. Most recently, Doodle Filter was updated on November 5, 2026 and Thumbnail Oracle on November 5, 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.*