# Learn Machine Learning vs PhlashCards Security Test Prep

The clearest difference is update cadence: Learn Machine Learning at monthly against PhlashCards Security Test Prep's every 3 months. Learn Machine Learning also leads on iOS requirement (12.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Learn Machine Learning sells 1 one-off in-app purchase and PhlashCards Security Test Prep sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Learn Machine Learning ships an update monthly, PhlashCards Security Test Prep every 3 months. The most recent releases landed on September 13, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Learn Machine Learning | PhlashCards Security Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 52 MB | 64 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Masood](https://appshunter.io/developer/1809316932) | [Hodge Podgin LLC](https://appshunter.io/developer/1873814194) |

## What reviewers say

### Learn Machine Learning

[App page](https://appshunter.io/ios/app/learn-machine-learning-guide/id6755135257)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Machine Learning Pro | $1.99 | one-time |


### PhlashCards Security Test Prep

[App page](https://appshunter.io/ios/app/phlashcards-security-test-prep/id6759810555)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Security+ Premium | $14.99 | one-time |
| Pentest+ Premium | $14.99 | one-time |
| SecAI+ Premium | $19.99 | one-time |
| CISSP Premium | $19.99 | one-time |


## Frequently asked questions

### Is Learn Machine Learning free?

Learn Machine Learning is free to download, with in-app purchases available.

### Is PhlashCards Security Test Prep free?

PhlashCards Security Test Prep is free to download, with in-app purchases available.

### Do Learn Machine Learning or PhlashCards Security Test Prep have ads?

Neither Learn Machine Learning nor PhlashCards Security Test Prep shows ads.

### Which is updated more often, Learn Machine Learning or PhlashCards Security Test Prep?

Learn Machine Learning ships an update monthly, and PhlashCards Security Test Prep every 3 months. Most recently, Learn Machine Learning was updated on September 13, 2026 and PhlashCards Security Test Prep on September 6, 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.*