# Subrain vs ZenWall

The clearest difference is in-app purchases: Subrain at none against ZenWall's 2. Subrain also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. ZenWall sells 2 in-app purchases, starting at $4.99 per month. Subrain asks for nothing beyond the download.

Subrain ships an update every 9 days, ZenWall fortnightly. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Subrain | ZenWall |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Free | — |
| Size | 49 MB | 89 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jichan Hwang](https://appshunter.io/developer/1735193590) | [Piotr Gebski](https://appshunter.io/developer/1860417249) |

## What reviewers say

### 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


### ZenWall

[App page](https://appshunter.io/ios/app/zenwall-deep-focus/id6758081455)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZenWall Monthly Premium | $4.99 | per month |
| ZenWall Yearly Premium | $39.99 | per year |


## Frequently asked questions

### Is Subrain free?

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

### Is ZenWall free?

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

### Do Subrain or ZenWall have ads?

Neither Subrain nor ZenWall shows ads.

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

Subrain ships an update every 9 days, and ZenWall fortnightly. Most recently, Subrain was updated on October 10, 2026 and ZenWall on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*