StepsAI vs Dual
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StepsAI
This AI-powered math assistant provides personalized learning support. It helps users understand and solve mathematical problems with intelligent guidance. The app is designed to enhance math comprehension and problem-solving skills.
- AI-powered math assistance
- Personalized learning support
- Problem-solving guidance
- Math comprehension enhancement
- Intelligent tutoring
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Your AI-powered Math Teaching Assistant
Dual
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Dual-Model Scientific Calc is a polished scientific calculator app built for students who want real exam-style practice, not just quick answers. It is especially popular with Hong Kong HKDSE students, but the core value is universal: two Casio-style calculator workflows in one app. **What makes it different** • Switch instantly between fx-50FH II and fx-3650PII style layouts • Practice key positions, mode flow, Replay, and common exam habits • Keep your last model, key setup choices, and saved PRGM programs • Open an optional beginner tutorial whenever you want to learn features step by step **Core calculator features** • 6 core modes: COMP, SD, REG, BASE, CMPLX, PRGM • Trig, logs, exponents, powers, roots, factorial, nPr, nCr • Fractions, complex numbers, statistics, base conversion, and programmable functions • 40 scientific constants and 23 built-in formulas • Ans memory, Multi-replay, and calculation history for faster practice **Best for** • Students who want Casio-style scientific calculator practice • Learners who want to build calculator muscle memory before exams • Anyone who wants a dual-model scientific calculator with programmable support **Optional purchase** • One-time Remove Ads purchase for distraction-free study
Screenshots
Verdict
The clearest difference is in-app purchases: StepsAI at none against Dual's 1. Dual's advantage is update cadence (every 2 days vs every 2 months) and device support (3 vs 1). On price and ads 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. Dual sells 1 one-off in-app purchase. StepsAI asks for nothing beyond the download.
StepsAI ships an update every 2 months, Dual every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | StepsAI | Dual |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | pikting cheung | OuTech Limited |
In-app purchases
StepsAI
No in-app purchases
Dual
- Remove Ads$3.99
