# Heatmap Studio vs Doodle Schedule

The clearest difference is in-app purchases: Heatmap Studio at none against Doodle Schedule's 3. Doodle Schedule's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 12 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Doodle Schedule sells 3 in-app purchases, starting at $2.99 per month. Heatmap Studio asks for nothing beyond the download.

Heatmap Studio ships an update every 12 months, Doodle Schedule every 2 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Heatmap Studio | Doodle Schedule |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Size | 5 MB | 48 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Japality Limited](https://appshunter.io/developer/1574046707) | [BY MILLY CO. LTD](https://appshunter.io/developer/6785222952) |

## What reviewers say

### Heatmap Studio

[App page](https://appshunter.io/ios/app/heatmap-studio/id6753347701)

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

**In-app purchases:** none


### Doodle Schedule

[App page](https://appshunter.io/ios/app/doodle-schedule-draw-planner/id6787949478)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $14.99 | per year |
| Lifetime Unlock | $19.99 | one-time |


## Frequently asked questions

### Is Heatmap Studio free?

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

### Is Doodle Schedule free?

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

### Do Heatmap Studio or Doodle Schedule have ads?

Heatmap Studio shows ads; Doodle Schedule does not.

### Which is updated more often, Heatmap Studio or Doodle Schedule?

Heatmap Studio ships an update every 12 months, and Doodle Schedule every 2 weeks. Most recently, Heatmap Studio was updated on October 20, 2026 and Doodle Schedule on October 24, 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.*