Developer vs Delta GPT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Developer
Access a comprehensive collection of cheat sheets for various development technologies and languages. Quickly find syntax, commands, and references for web development, programming, databases, and more.
- Extensive cheat sheet library
- Web development references
- Programming language guides
- Database syntax
- Developer tools shortcuts
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Collect some cheat sheet for developer. Cheat Sheet List: ASP CSS HTML JavaScript Microformats mod_rewrite MySQL PHP Python Regular-Expressions Ruby On Rails SQL Server Subversion HTML5 Canvas Cheat Sheet RGB Colour Codes Html Character Entities Ruby On Rails Web Applications Vim Graphical Cheat Sheet Prototype JavaScript Library jQuery JavaScript Library Git Cheat Sheet Firebird ActionScript 3 Drupal Cheat Sheet Mercurial Usage Mercurial QuickStart ASP.NET 2.0 life cycle Wordpress Cheat Sheet Smarty Cheat Sheet PHP Advanced Cheat Sheet PHP Basic Cheat Sheet GAE For Python Django Cheat Sheet Xcode 4 Keyboard Shortcuts Fedora 15 Cheat Sheet Flex 3 Blueprint CSS C Reference Core CSharp and .NET Quick Reference C++ Reference Design Patterns Erlang CheatSheet HTTP Response Code PostgreSQL Shell Cheat Sheet Ubuntu Reference Ruby HTML5 Cheat Sheet
Delta GPT
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Introducing Delta GPT, your gateway to the world of OpenAI's chat models. Designed to provide a seamless and comfortable interface to the OpenAI API, this app is your go-to tool for all things related to AI-powered chat. Delta GPT is free to download, making it an extremely affordable tool for anyone interested in exploring the capabilities of OpenAI's chat models. While the app itself is free, users will need to pay for their own API usage directly to OpenAI. Delta GPT requires an OpenAI API key to use, but don't worry if you're new to this; the app will guide you through the process of getting your API key set up. It's as easy as 1-2-3! The easy-to-use intuitive interface ensures that you don't need to be a tech wizard to navigate through the app. Whether you're a beginner or an expert, Delta GPT is designed to provide a user-friendly experience. Customization is at the heart of Delta GPT. You can save message chains for later use, allowing you to pick up right where you left off. Your privacy is our priority. The app does not collect any data, and all information is stored locally on your device. You can use Delta GPT with complete peace of mind, knowing that your data is safe and secure. Download Delta GPT today and embark on a thrilling journey into the world of AI-powered chat. Your adventure awaits!
Screenshots
Verdict
The clearest difference is update cadence: Delta GPT at every 6 days against Developer's monthly. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Developer ships an update monthly, Delta GPT every 6 days. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.
| Parameter | Developer | Delta GPT |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (9 ratings) — better | — |
| Positive reviews | 57.7% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Monthly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 14.0 |
| Further details — not scored | ||
| Size | 149 MB | 12 MB |
| Age rating | 4+ | 17+ |
| Developer | 国强 钱 | Joshua Guyette |
In-app purchases
Developer
No in-app purchases
Delta GPT
No in-app purchases
