# Schulte Grid vs 華爾登ESL

The clearest difference is in-app purchases: 華爾登ESL at none against Schulte Grid's 3. 華爾登ESL also leads on ads (none vs shown). Schulte Grid's advantage is update cadence (every 5 weeks vs every 15 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Schulte Grid sells 3 in-app purchases, starting at $0.99 per month. 華爾登ESL asks for nothing beyond the download.

Schulte Grid ships an update every 5 weeks, 華爾登ESL every 15 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Schulte Grid | 華爾登ESL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 15 months |
| Size | 6 MB | 197 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [景珂 陈](https://appshunter.io/developer/620312170) | [Chi Hsien Lai](https://appshunter.io/developer/1039759515) |

## What reviewers say

### Schulte Grid

[App page](https://appshunter.io/ios/app/schulte-grid-focus-training/id777206931)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $5.99 | per year |
| Pro | $1.99 | one-time |


### 華爾登ESL

[App page](https://appshunter.io/ios/app/esl/id6467689164)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Schulte Grid free?

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

### Is 華爾登ESL free?

華爾登ESL is free to download, with no in-app purchases.

### Do Schulte Grid or 華爾登ESL have ads?

Schulte Grid shows ads; 華爾登ESL does not.

### Which is updated more often, Schulte Grid or 華爾登ESL?

Schulte Grid ships an update every 5 weeks, and 華爾登ESL every 15 months. Most recently, Schulte Grid was updated on November 6, 2026 and 華爾登ESL on November 3, 2026.

---

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