# PSTC vs ZenWall

The clearest difference is in-app purchases: PSTC at none against ZenWall's 2. PSTC also leads on device support (3 vs 1) and iOS requirement (14 vs 17.0). ZenWall's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

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

PSTC ships an update weekly, ZenWall fortnightly. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | PSTC | ZenWall |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Fortnightly |
| Size | 32 MB | 89 MB |
| Requires iOS | **14** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BEST SOLUTION LLC](https://appshunter.io/developer/1006385883) | [Piotr Gebski](https://appshunter.io/developer/1860417249) |

## What reviewers say

### PSTC

[App page](https://appshunter.io/ios/app/pstc-project-task-check/id6751347435)

**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 PSTC free?

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

### Is ZenWall free?

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

### Do PSTC or ZenWall have ads?

PSTC shows ads; ZenWall does not.

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

PSTC ships an update weekly, and ZenWall fortnightly. Most recently, PSTC was updated on October 9, 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.*