Z vs LoWisa
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Z
This app provides a quick and easy way for students and professionals to look up Z-scores and calculate corresponding probabilities. It features comprehensive Z-score tables and a user-friendly interface for efficient statistical analysis.
- Comprehensive Z-score tables
- Fast probability calculation
- User-friendly interface
- Educational tool for statistics
- Reference for data analysis
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Z-Table is a simple and powerful tool designed to help students, statisticians, and professionals look up Z-scores and corresponding probabilities with ease. Whether you're studying for an exam or working on data analysis, this app provides an efficient way to calculate and reference Z-scores. Key Features: Comprehensive Z-Score Tables: Access both positive and negative Z-tables to quickly look up critical Z-scores. Fast Probability Calculation: Find left-tail and right-tail probabilities with ease. User-Friendly Interface: The clean and minimal design ensures you can get the values you need without distractions. Educational Tool: Ideal for statistics students or professionals who frequently work with normal distributions. Why Choose Z-Table? Z-Table is optimized for speed and ease of use. Whether you are working on statistical analysis, preparing for exams, or just need a quick reference, Z-Table is the perfect companion. No ads, no distractions—just reliable and accurate statistical data at your fingertips. Who is this app for? Statistics students and teachers Data analysts and researchers Professionals in need of quick statistical references Download Z-Table today and simplify your statistical analysis process!
LoWisa
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LoWisa is an AI-assisted learning platform designed to help people build practical skills, understand what they are learning, and move from guided support to independent capability. Instead of simply giving answers, LoWisa helps learners understand concepts, practise them, apply them in real-world situations, and build the confidence to solve problems independently. Through AI tutoring, practical projects, interactive learning, real-world problem solving, and personalised guidance, LoWisa supports learners across areas including software development, technology, mathematics, communication, and language learning. Our goal is simple: use AI to strengthen human capability, not replace it. LoWisa is built for learners, educators, training providers, institutions, and organisations looking for a more practical way to develop skills in an AI-powered world. Understand. Practise. Apply. Own it. WHAT YOU CAN DO • Learn any subject with Lo, a tutor who teaches with a real voice and asks you to explain ideas back. • Study Kit: turn your notes, slides, photos of the board, lectures and past papers into quizzes, flashcards and a plan to your exam. • Listen to your lessons as a two-host conversation, even with no data. • Practise speaking, interviews and your résumé, and find jobs near you. • Fix your code by finding the cause of a problem, not copying a fix. • Learn with others in cohorts, or start your own with friends. Start free, no sign-in needed. — Subscriptions: LoWisa Starter includes 200 credits every month (Insight mode runs on top-up credits). LoWisa Plus includes 1,262 credits every month and Insight mode. LoWisa Plus Max includes 2,000 credits every month and Insight mode. One-time credit top-ups are also available. Prices are shown in the app before you buy. Payment is charged to your Apple Account at confirmation of purchase. A subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lowisa.dev/privacy.html
Screenshots
Verdict
The clearest difference is price: LoWisa at Free against Z's $2.99. LoWisa also leads on ads (none vs shown) and update cadence (every 5 days vs every 6 weeks). Z's advantage is in-app purchases (none vs 6) and iOS requirement (12.0 vs 15.1). On 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
LoWisa is free to download; Z costs $2.99 up front. LoWisa sells 6 in-app purchases, starting at $7.99 per month. Z asks for nothing beyond the download.
Z ships an update every 6 weeks, LoWisa every 5 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.
| Parameter | Z | LoWisa |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 32 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | JanoGroup LLC | Samuel Jesse |
In-app purchases
Z
No in-app purchases
LoWisa
- LoWisa Starter$7.991 Month
- LoWisa Plus$12.991 Month
- LoWisa Plus$17.991 Month
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- LoWisa Plus Max$24.991 Month
- 500 Tutor Credits$5.00
- 1,000 tutor credits$10.00









