# Math Shelf vs St. John Paul II

The clearest difference is rating: Math Shelf at 4.7 against St. John Paul II's 3.0. Math Shelf also leads on ratings volume (15 vs 4). St. John Paul II's advantage is in-app purchases (none vs 10) and update cadence (every 3 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Math Shelf sells 10 in-app purchases, starting at $4.99 per month. St. John Paul II asks for nothing beyond the download.

Math Shelf holds the better App Store score, 4.7 against 3.0. Both are backed by a comparable volume of ratings — 15 and 4 respectively.

Math Shelf ships an update every 4 months, St. John Paul II every 3 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Math Shelf | St. John Paul II |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/math-shelf-early-math-mastery/id940278648/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/st-john-paul-ii/id6705122875/reviews) |
| Number of ratings | **15** | 4 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 380 MB | 70 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Schacter](https://appshunter.io/developer/940278647) | [St John Paul II Catholic High School](https://appshunter.io/developer/1769738320) |

## What reviewers say

### Math Shelf

[App page](https://appshunter.io/ios/app/math-shelf-early-math-mastery/id940278648)

This app provides an experimentally proven program to enhance early mathematics achievement for preschool and kindergarten students. It offers on-level instruction through adaptive learning and placement tests, aligning with Common Core Standards.

**Highlights:** Experimentally proven to increase math achievement, Common Core Aligned content, Adaptive learning and placement tests, Cloud-based syncing for school and home, Free 7-day trial, Supports iPhone, iPad, and iPod

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Access | $4.99 | per month |
| 1 Year Access | $41.99 | per year |
| 1 Students Monthly Subscription | $1.99 | one-time |
| 1 Student Monthly Subscription | $2.99 | one-time |
| 2 Students Monthly Subscription | $3.99 | one-time |
| 3 Students Monthly Subscription | $5.99 | one-time |
| 2 Students Monthly Subscription | $5.99 | one-time |
| 3 Students Monthly Subscription | $8.99 | one-time |
| 3 Students Subscription | $9.99 | one-time |
| 4 Students Monthly Subscription | $11.99 | one-time |


### St. John Paul II

[App page](https://appshunter.io/ios/app/st-john-paul-ii/id6705122875)

This app connects parents, students, teachers, and administrators with school news, event calendars, and online resources. It provides quick access to essential information to keep the school community informed and engaged.

**Highlights:** School news updates, Interactive event calendars, Access to online resources, Administrator tools, Student information portal

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Shelf free?

Math Shelf is free to download, with in-app purchases available.

### Is St. John Paul II free?

St. John Paul II is free to download, with no in-app purchases.

### Which has better reviews, Math Shelf or St. John Paul II?

Math Shelf is rated higher. Math Shelf averages 4.7 out of 5 from 15 ratings, while St. John Paul II averages 3.0 from 4 ratings.

### Do Math Shelf or St. John Paul II have ads?

Neither Math Shelf nor St. John Paul II shows ads.

### Which is updated more often, Math Shelf or St. John Paul II?

Math Shelf ships an update every 4 months, and St. John Paul II every 3 weeks. Most recently, Math Shelf was updated on November 1, 2026 and St. John Paul II on October 30, 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.*