# Statistics Solver vs Z

The clearest difference is price: Statistics Solver at Free against Z's $2.99. Statistics Solver also leads on ads (none vs shown) and ratings volume (70 vs 1). Z's advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 5). On device support there is nothing between them.

Statistics Solver is free to download; Z costs $2.99 up front. Statistics Solver sells 5 in-app purchases, starting at $4.99 per 7 days. Z asks for nothing beyond the download.

Z holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Statistics Solver has 70 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 78% of Statistics Solver's written reviews are positive against 100% of Z's.

Statistics Solver ships an update every 22 months, Z every 6 weeks. The most recent releases landed on August 26, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Statistics Solver | Z |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.4 (70 ratings)](https://appshunter.io/ios/app/statistics-solver-stat-ai/id6736710910/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/z-table-statistics/id6738610691/reviews)** |
| Number of ratings | **70** | 1 |
| Positive reviews | 77.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 48 MB | 32 MB |
| Requires iOS | 14.0.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [East Frisia LLC](https://appshunter.io/developer/547826578) | [JanoGroup LLC](https://appshunter.io/developer/1781461557) |

## What reviewers say

### Statistics Solver

[App page](https://appshunter.io/ios/app/statistics-solver-stat-ai/id6736710910)

This AI-powered tool provides instant, step-by-step solutions to complex statistical problems. It supports photo recognition for input and offers detailed explanations to enhance understanding for students and professionals alike.

**Highlights:** Instant AI-powered problem solving, Photo recognition for input, Step-by-step solution explanations, Comprehensive statistical topic coverage, Educational tool for students, Time-saver for professionals

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly | $4.99 | per 7 days |
| Premium - Monthly | $12.99 | per month |
| Premium - Yearly Discount | $14.99 | per year |
| Premium - Yearly | $29.99 | per year |
| Premium - Lifetime | $149.99 | one-time |


### Z

[App page](https://appshunter.io/ios/app/z-table-statistics/id6738610691)

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.

**Highlights:** Comprehensive Z-score tables, Fast probability calculation, User-friendly interface, Educational tool for statistics, Reference for data analysis

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Statistics Solver free?

Statistics Solver is free to download, with in-app purchases available.

### Is Z free?

Z costs $2.99, with no in-app purchases.

### Which has better reviews, Statistics Solver or Z?

Z is rated higher. Statistics Solver averages 4.4 out of 5 from 70 ratings, while Z averages 5.0 from 1 ratings.

### Do Statistics Solver or Z have ads?

Z shows ads; Statistics Solver does not.

### Which is updated more often, Statistics Solver or Z?

Statistics Solver ships an update every 22 months, and Z every 6 weeks. Most recently, Statistics Solver was updated on August 26, 2026 and Z on September 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*