# Design Patterns for Devs vs Mongo Sheriff

The clearest difference is in-app purchases: Mongo Sheriff at none against Design Patterns for Devs's 1. Mongo Sheriff also leads on update cadence (every 4 weeks vs every 2 months) and iOS requirement (17.6 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Design Patterns for Devs sells 1 one-off in-app purchase. Mongo Sheriff asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Design Patterns for Devs against 5.0 for Mongo Sheriff. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Design Patterns for Devs ships an update every 2 months, Mongo Sheriff every 4 weeks. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Design Patterns for Devs | Mongo Sheriff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/design-patterns-for-devs/id6754806188/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/mongo-sheriff-mongodb-client/id6758528819/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 MB | 10 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Daniel Gogozan](https://appshunter.io/developer/1664769372) | [Koodalabs LLC](https://appshunter.io/developer/1684803962) |

## What reviewers say

### Design Patterns for Devs

[App page](https://appshunter.io/ios/app/design-patterns-for-devs/id6754806188)

Master software design patterns with interactive flashcards. This app provides comprehensive lessons, code examples, and quizzes to help developers understand and apply architectural concepts for better coding and clearer architecture.

**Highlights:** Interactive flashcards, Gang of Four pattern coverage, Real-world analogies, UML diagrams and code examples, Usage, Pros & Cons, Quizzes for retention

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $9.99 | one-time |


### Mongo Sheriff

[App page](https://appshunter.io/ios/app/mongo-sheriff-mongodb-client/id6758528819)

A native iOS application for developers to manage MongoDB databases. It allows browsing collections, inspecting documents, running queries, and editing data directly from your iPhone, prioritizing privacy and speed.

**Highlights:** Browse databases and collections, Inspect documents in JSON view, Structured query builder, Raw shell mode for full control, Run aggregation pipelines, Inline document editing, Sort, limit, and skip controls

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

**In-app purchases:** none


## Frequently asked questions

### Is Design Patterns for Devs free?

Design Patterns for Devs is free to download, with in-app purchases available.

### Is Mongo Sheriff free?

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

### Which has better reviews, Design Patterns for Devs or Mongo Sheriff?

Design Patterns for Devs and Mongo Sheriff are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Design Patterns for Devs or Mongo Sheriff have ads?

Neither Design Patterns for Devs nor Mongo Sheriff shows ads.

### Which is updated more often, Design Patterns for Devs or Mongo Sheriff?

Design Patterns for Devs ships an update every 2 months, and Mongo Sheriff every 4 weeks. Most recently, Design Patterns for Devs was updated on October 14, 2026 and Mongo Sheriff on October 15, 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.*