XL Delta vs NextSub
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
NextSub
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Lost track of your subscriptions? Netflix, Spotify, iCloud, fitness apps – monthly costs add up fast. NextSub helps you manage all your subscriptions in one place. What NextSub offers: - Track all your subscriptions in one clear overview - See exactly how much you spend monthly, yearly, or weekly - Identify unused subscriptions and save money
Screenshots
Verdict
XL Delta and NextSub are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.
| Parameter | XL Delta | NextSub |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Jonathan Burks | Patrick Bender |
In-app purchases
XL Delta
No in-app purchases
NextSub
No in-app purchases









