# CodeMath vs azVocab

The clearest difference is monetization model: CodeMath at free against azVocab's free with in-app purchases. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CodeMath sells 1 one-off in-app purchase and azVocab sells 6 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CodeMath ships an update every 2 weeks, azVocab monthly. The most recent releases landed on August 30, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | CodeMath | azVocab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/codemath-learn-math-together/id6448272564/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 67 MB | 86 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Van Huu](https://appshunter.io/developer/1649904386) | [CTH SOFT JSC](https://appshunter.io/developer/1776548745) |

## What reviewers say

### CodeMath

[App page](https://appshunter.io/ios/app/codemath-learn-math-together/id6448272564)

This app offers free online Olympic Math courses for elementary students, covering various international competitions. It features engaging video lessons, practice tests, and exam resources with solutions. Students can interact with teachers and parents can track progress.

**Highlights:** Olympic Math courses for grades 1-5, Video lessons and practice questions, Comprehensive practice tests, Exam resources and solutions, Teacher interaction and support, Parental progress tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luyện thi Toán ASMO khối 1 | $22.99 | one-time |


### azVocab

[App page](https://appshunter.io/ios/app/azvocab/id6737465506)

This AI-powered app enhances English vocabulary learning through spaced repetition and brain science insights. It offers curated lists, diverse exercises, detailed word information, and progress tracking for exam preparation and general learning.

**Highlights:** AI-powered vocabulary learning, Spaced repetition algorithms, Curated vocabulary lists, Diverse practice exercises, Detailed word information, Progress tracking reports

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO 1 Week | $0.99 | per 7 days |
| PRO 1 Month | $4.99 | per month |
| PRO 3 Months | $9.99 | per 3 months |
| PRO 6 Months | $14.99 | per 6 months |
| PRO 12 Months | $24.99 | per year |
| PRO Lifetime | $124.99 | one-time |


## Frequently asked questions

### Is CodeMath free?

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

### Is azVocab free?

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

### Do CodeMath or azVocab have ads?

Neither CodeMath nor azVocab shows ads.

### Which is updated more often, CodeMath or azVocab?

CodeMath ships an update every 2 weeks, and azVocab monthly. Most recently, CodeMath was updated on August 30, 2026 and azVocab on September 13, 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.*