CoinTutor vs XL Delta
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CoinTutor
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• Structured Learning Program - Step-by-step learning through tutor-provided study materials and exams • Trust-Based Tutor Selection • Important Update Push Notifications - Notifications for newly released learning content - Important announcements related to accounts and subscriptions
XL Delta
A quick reference for Excel and finance formulas, designed for immediate answers. It helps users find and understand formulas for spreadsheets, studies, or financial modeling. An optional AI feature can generate Excel templates based on user prompts.
- Excel and finance formula lookup
- Understand formula usage
- Save favorite formulas
- Lightweight Excel companion
- Optional AI template generation
- Exportable AI-generated templates
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XL Delta is a fast, focused reference app for Excel and finance formulas — built for students, analysts, and professionals who need answers immediately. Search and explore essential Excel, finance, valuation, investing, and modeling formulas without clutter, ads, or distractions. Whether you're debugging a spreadsheet, studying for an exam, or building a model, XL Delta helps you find the right formula fast. WHAT YOU CAN DO WITH XL DELTA - Look up common Excel formulas and functions - Reference finance and valuation formulas (IRR, NPV, loan math, and more) - Understand how formulas work and when to use them - Save your favorites for quick access later - Use it as a lightweight companion alongside Excel OPTIONAL AI TEMPLATE GENERATION XL Delta also includes an optional AI-powered template generator. Bring your own API key from Anthropic (Claude) or OpenAI (ChatGPT), describe what you need in plain English, and get a working Excel template you can export and use immediately. Templates generated by AI may need review for accuracy before relying on them for important decisions. Your prompts are sent directly to your chosen AI provider using your own key — XL Delta does not see, store, or process them. DESIGNED FOR REAL USERS XL Delta is designed to be simple, fast, and practical. No tutorials to sit through — just the formulas you need when you need them. No accounts. No ads. No subscriptions. PERFECT FOR - Finance and accounting students - Analysts and modelers - Excel users at any skill level - Anyone who wants quick, reliable formula references
Screenshots
Verdict
The clearest difference is iOS requirement: CoinTutor at 15.0 against XL Delta's 17.0. 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.
| Parameter | CoinTutor | XL Delta |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 16 MB | 5 MB |
| Age rating | 12+ | 4+ |
| Developer | Doohee Hong | Jonathan Burks |
In-app purchases
CoinTutor
No in-app purchases
XL Delta
No in-app purchases









