# Schulte Grid vs Lampo Reader

The clearest difference is update cadence: Lampo Reader at every 3 days against Schulte Grid's every 3 months. Schulte Grid's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Schulte Grid ships an update every 3 months, Lampo Reader every 3 days. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Schulte Grid | Lampo Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/schulte-grid-attention-trainer/id6739275296/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 71 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [珠峰 徐](https://appshunter.io/developer/1246695755) | [Fabio Comelli](https://appshunter.io/developer/1469973595) |

## What reviewers say

### Schulte Grid

[App page](https://appshunter.io/ios/app/schulte-grid-attention-trainer/id6739275296)

Enhance focus, memory, and visual search skills with scientifically designed exercises. This app offers multiple difficulty levels and performance tracking for students, professionals, and children.

**Highlights:** Multiple difficulty levels, Performance tracking, Intuitive interface, Focus enhancement, Memory improvement, Visual search training

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

**In-app purchases:** none


### Lampo Reader

[App page](https://appshunter.io/ios/app/lampo-reader/id6811564778)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Schulte Grid free?

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

### Is Lampo Reader free?

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

### Do Schulte Grid or Lampo Reader have ads?

Neither Schulte Grid nor Lampo Reader shows ads.

### Which is updated more often, Schulte Grid or Lampo Reader?

Schulte Grid ships an update every 3 months, and Lampo Reader every 3 days. Most recently, Schulte Grid was updated on October 21, 2026 and Lampo Reader on October 4, 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.*