# NumAndShape vs Lexicon

The clearest difference is update cadence: Lexicon at every 3 weeks against NumAndShape's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NumAndShape sells 6 one-off in-app purchases and Lexicon sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

NumAndShape ships an update every 2 months, Lexicon every 3 weeks. The most recent releases landed on October 30, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | NumAndShape | Lexicon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lexicon-master-english/id6757132710/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 13 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ken morobayashi](https://appshunter.io/developer/954811891) | [Lojas Software Corp](https://appshunter.io/developer/1799458054) |

## What reviewers say

### NumAndShape

[App page](https://appshunter.io/ios/app/numandshape/id6468994873)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| prime number | $0.49 | one-time |
| power | $0.49 | one-time |
| per hour | $0.49 | one-time |
| binary number | $0.49 | one-time |
| sin cos tan | $0.49 | one-time |
| NumAndShape Unlimited | $1.99 | one-time |


### Lexicon

[App page](https://appshunter.io/ios/app/lexicon-master-english/id6757132710)

This app offers a comprehensive English language curriculum with interactive tools for grammar, writing, literature, and professional communication. It provides detailed explanations, progress tracking, and diverse question formats to enhance learning.

**Highlights:** University-grade English curriculum, 16 distinct disciplines covered, Interactive learning tools, Diverse question formats, Smart hints system with video explanations, Detailed feedback for retention, Progress tracking across subjects

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Page Turner | $0.99 | one-time |
| Inkwell & Quill | $0.99 | one-time |
| Deus Ex Machina | $1.99 | one-time |
| Scholar's Anthology | $1.99 | one-time |
| The Lost Tomes | $3.99 | one-time |
| Speed Reader | $3.99 | one-time |
| The Grand Encyclopedia | $7.99 | one-time |
| The Ghostwriter | $7.99 | one-time |


## Frequently asked questions

### Is NumAndShape free?

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

### Is Lexicon free?

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

### Do NumAndShape or Lexicon have ads?

Both NumAndShape and Lexicon show ads.

### Which is updated more often, NumAndShape or Lexicon?

NumAndShape ships an update every 2 months, and Lexicon every 3 weeks. Most recently, NumAndShape was updated on October 30, 2026 and Lexicon on October 13, 2026.

---

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