BLACKBOXAI vs Grade Tests | Corrigi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLACKBOXAI
This AI-powered coding assistant helps developers write and release software faster. It translates natural language into code, offers real-time knowledge, and provides intelligent code completion. Analyze screenshots, generate comments, and create commit messages with ease.
- Natural language to code generation
- Real-time world knowledge
- Intelligent code completion
- Image input analysis (VISION)
- Automated code commenting
- Commit message generation
- Chat with code files
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BLACKBOX.AI is a coding LLM designed to transform the way we build software. By building BLACKBOX.AI, our goal is to: Accelerate the pace of innovation within companies by making engineers 10X faster in building and releasing products Accelerate the growth in software engineers around the world and 10X the number of engineers from ~100M to 1B BLACKBOX.AI’s coding capabilities over the past 12 months have expanded significantly. 1. Natural Language to Code BLACKBOX is built to answer coding questions and assist you write code faster. Whether you are fixing a bug, building a new feature or refactoring your code, ask BLACKBOX to help. 2. Real-Time Knowledge BLACKBOX has real-time knowledge of the world, making it able to answer questions about recent events, technological breakthroughs, product releases, API documentations & more 3. Code Completion BLACKBOX integrates directly with VSCode to automatically suggests the next lines of code based on your repo context. 4. VISION BLACKBOX Vision enables users to instruct BLACKBOX to analyze image inputs, for example, screenshot of code or product sketches. 5. Code Commenting BLACKBOX will properly write the commenting for your code files, wether it contains a few lines of code of 100s of lines of code. BLACKBOX Code Commenting works for all programming languages. 6. Commit Message Generation Blackbox will properly write a commit message for the changes you made in your repo files. 7. Chat with your Code Files BLACKBOX enables users to upload large code files (100s of lines of code) and chat with
Grade Tests | Corrigi
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Grading tests should not take over your evening. Corrigi helps teachers create exams, generate printable answer sheets, and grade responses on their phone. - Create complete exams with AI - Smart QR-coded answer sheets - Review and edit responses - Discover what to review in class - Tailored for your school - Create exams, print answer sheets, and grade responses on your phone. Less repetitive work, clearer insight into what students need to review.
Screenshots
Verdict
The clearest difference is device support: BLACKBOXAI at 3 against Grade Tests | Corrigi's 1. On price, update cadence, ads and in-app purchases 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.
BLACKBOXAI ships an update weekly, Grade Tests | Corrigi every 6 days. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.
| Parameter | BLACKBOXAI | Grade Tests | Corrigi |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (47 ratings) — better | — |
| Positive reviews | 24.1% of reviews | — |
| Number of ratings | 47 — better | — |
| Update frequency | Weekly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 19 MB | 19 MB |
| Age rating | 17+ | 4+ |
| Developer | RIZK Richard | Robotimize Ltda |
In-app purchases
BLACKBOXAI
No in-app purchases
Grade Tests | Corrigi
No in-app purchases
Questions
Is BLACKBOXAI free?
Is Grade Tests | Corrigi free?
Do BLACKBOXAI or Grade Tests | Corrigi have ads?
Which is updated more often, BLACKBOXAI or Grade Tests | Corrigi?
Other comparisons
