# Devmaxx vs Lumis Smart Peripherals

The clearest difference is in-app purchases: Lumis Smart Peripherals at none against Devmaxx's 2. Lumis Smart Peripherals also leads on iOS requirement (15.0 vs 17.5). Devmaxx's advantage is update cadence (every 2 weeks vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Devmaxx sells 2 in-app purchases, starting at $8.99 per month. Lumis Smart Peripherals asks for nothing beyond the download.

Devmaxx ships an update every 2 weeks, Lumis Smart Peripherals monthly. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Devmaxx | Lumis Smart Peripherals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (520 ratings)](https://appshunter.io/ios/app/devmaxx/id6758278144/reviews)** | — |
| Number of ratings | **520** | — |
| Positive reviews | 17.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Subscription | — |
| Size | 29 MB | 113 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Arjay McCandless LLC](https://appshunter.io/developer/1871931520) | [Lumis Corp.](https://appshunter.io/developer/1759403761) |

## What reviewers say

### Devmaxx

[App page](https://appshunter.io/ios/app/devmaxx/id6758278144)

This app provides a daily system design question to help software engineers master essential skills for interviews and career growth. It offers clear explanations, linked resources, and a private community for learning and practice.

**Highlights:** Daily system design questions, Clear explanations and answer breakdowns, Linked learning resources, Access to previous questions, Private developer community, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Devmaxx Subscription | $8.99 | per month |
| Annual Devmaxx Subscription | $59.99 | per year |


### Lumis Smart Peripherals

[App page](https://appshunter.io/ios/app/lumis-smart-peripherals/id6759168817)

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

**In-app purchases:** none


## Frequently asked questions

### Is Devmaxx free?

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

### Is Lumis Smart Peripherals free?

Lumis Smart Peripherals is free to download, with no in-app purchases.

### Do Devmaxx or Lumis Smart Peripherals have ads?

Neither Devmaxx nor Lumis Smart Peripherals shows ads.

### Which is updated more often, Devmaxx or Lumis Smart Peripherals?

Devmaxx ships an update every 2 weeks, and Lumis Smart Peripherals monthly. Most recently, Devmaxx was updated on October 14, 2026 and Lumis Smart Peripherals on October 10, 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.*