# Stickyboard vs Subrain

The clearest difference is review sentiment: Subrain at 100% against Stickyboard's 48%. Subrain also leads on in-app purchases (none vs 1) and device support (3 vs 1). Stickyboard's advantage is update cadence (fortnightly vs every 15 months) and iOS requirement (8.0 vs 15.0). On price and ads there is nothing between them.

Both are free to download. Stickyboard sells 1 one-off in-app purchase. Subrain asks for nothing beyond the download.

Stickyboard ships an update fortnightly, Subrain every 15 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stickyboard | Subrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/stickyboard/id366620702/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 48.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 15 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 41 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Qrayon, LLC](https://appshunter.io/developer/354980265) | [Jichan Hwang](https://appshunter.io/developer/1735193590) |

## What reviewers say

### Stickyboard

[App page](https://appshunter.io/ios/app/stickyboard/id366620702)

This app offers a digital whiteboard with an unlimited stack of virtual sticky notes for organizing ideas. Easily rearrange, color-code, and visualize relationships between your thoughts on a zoomable canvas. Share your boards via email as PDFs for collaboration or archiving.

**Highlights:** Zoomable digital whiteboard, Unlimited sticky notes, Color-coding options, Free-form drawing tool, Email boards as PDF, Note expose grid view

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Stickyboard Pro | $4.99 | one-time |


### Subrain

[App page](https://appshunter.io/ios/app/subrain/id6502538432)

This app helps you remember important information and life keywords that you might otherwise forget. Designed for minimalists, it offers a simple way to capture thoughts and serve as a personal milestone.

**Highlights:** Simple note-taking, Capture life keywords, Minimalist design, Acts as a milestone, Organize notes into pages

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

**In-app purchases:** none


## Frequently asked questions

### Is Stickyboard free?

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

### Is Subrain free?

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

### Do Stickyboard or Subrain have ads?

Neither Stickyboard nor Subrain shows ads.

### Which is updated more often, Stickyboard or Subrain?

Stickyboard ships an update fortnightly, and Subrain every 15 months. Most recently, Stickyboard was updated on October 22, 2026 and Subrain 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.*