TheoryAI vs Irregular
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TheoryAI
This AI-powered tool provides free, unlimited assistance for homework problems across various subjects and languages. It offers fast, accurate solutions with step-by-step explanations to enhance understanding.
- Unlimited free problem-solving
- Supports multiple subjects and languages
- Fast, parallel solution delivery
- Step-by-step explanations for learning
- Clean and intuitive user interface
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TheoryAI helps you solve problems in any subject, in any language - and it’s always free. No limits, no subscriptions, no hidden fees. Just fast, smart answers to help you get through your assignments and understand them better. Why You’ll Love It: Free, Unlimited Help: Our AI has your back with unlimited problem-solving - it’s totally free, no strings attached. Say goodbye to paywalls. Any Subject, Any Language: Got questions in different subjects or languages? We cover it all, supporting 10 languages and solving problems in anything from Algebra to Biology. Fast and Efficient: Get answers to multiple homework questions at the same time. Our app delivers fast, accurate solutions in parallel, so you’re not stuck waiting. Smart Follow-Ups: Our AI doesn’t just give answers - it explains them, so you actually learn and understand each step. Beautiful and Easy to Use: Homework is hard enough. Our app’s clean, modern design makes it super easy to get the help you need without distractions. Download TheoryAI now and crush your homework!
Irregular
Master Spanish irregular verbs with quick, fun quizzes. Practice conjugations in multiple tenses, get instant feedback, and track your progress on a global leaderboard. Customize your learning experience for efficient skill improvement.
- 3-Minute Quizzes
- Instant Feedback
- Global Leaderboard
- Mistake Review
- Customizable Practice
- User Improvement Suggestions
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Master Spanish irregular verbs — fast, fun, and effective! Struggling with Spanish irregular verbs? "Irregular" makes practice simple, quick, and enjoyable. In just 3 minutes, challenge yourself to recall the correct conjugations across multiple tenses — and level up your Spanish skills every day. Key Features: 3-Minute Quiz: Race against the clock to conjugate as many irregular verbs as you can. Instant Feedback: Learn from mistakes immediately with quick, clear corrections. Leaderboard: Compete with learners worldwide and track your personal bests. Review Your Mistakes: See where you went wrong and strengthen weak spots. Customize Your Experience: Choose whether to practice with or without the "vosotros" form. Mute sounds if needed. Suggest Improvements: Share your ideas directly through the "Make it better" tab! Whether you're a beginner or an advanced learner, "Irregular" helps you master the trickiest verbs efficiently — and makes it fun along the way. Download Irregular today and take your Spanish to the next level!
Screenshots
Verdict
The clearest difference is ads: TheoryAI at none against Irregular's shown. TheoryAI also leads on monetization model (free vs ad-supported) and iOS requirement (13.4 vs 15.1). On price, rating, review sentiment and ratings volume 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.
On the App Store both sit at effectively the same score — 5.0 for TheoryAI against 5.0 for Irregular. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
TheoryAI ships an update every 6 days, Irregular weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.
| Parameter | TheoryAI | Irregular |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 — better | 2 |
| Update frequency | Every 6 days — better | Weekly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 — better | 15.1 |
| Further details — not scored | ||
| Size | 65 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Eduardo Velasco | AllThatSeries Inc. |
Customer experience
TheoryAI
Irregular
In-app purchases
TheoryAI
No in-app purchases
Irregular
No in-app purchases









