# SimStack Lite vs HOW TO // AI

The clearest difference is update cadence: HOW TO // AI at every 4 days against SimStack Lite's every 6 weeks. SimStack Lite's advantage is iOS requirement (15.1 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. SimStack Lite sells 2 in-app purchases, starting at $19.99 per month and HOW TO // AI sells 2 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for SimStack Lite against 5.0 for HOW TO // AI. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

SimStack Lite ships an update every 6 weeks, HOW TO // AI every 4 days. The most recent releases landed on July 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | SimStack Lite | HOW TO // AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/simstack-lite/id6749025487/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/how-to-ai-cert/id6797560704/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Freemium | Freemium |
| Size | 62 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jasmine Doster](https://appshunter.io/developer/1828514806) | [Blue Ocean Water Inc](https://appshunter.io/developer/6797560706) |

## What reviewers say

### SimStack Lite

[App page](https://appshunter.io/ios/app/simstack-lite/id6749025487)

Interactive simulations help tech professionals develop critical decision-making skills for Agile, DevOps, and AI roles. Practice real-world scenarios involving team dynamics, project risks, and prioritization to build practical leadership abilities.

**Highlights:** Agile role simulations, DevOps workflow practice, AI product management scenarios, Scrum Master decision making, Product Owner prioritization, AI governance concepts, Workplace conflict resolution

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SimStack Pro Monthly | $19.99 | per month |
| SimStack Pro Annual | $149.99 | per year |


### HOW TO // AI

[App page](https://appshunter.io/ios/app/how-to-ai-cert/id6797560704)

Prepare for AI and cloud certification exams with extensive practice questions and AI-powered explanations. Track your progress and identify weak areas for effective study. Offers offline practice and mock exams to simulate real test conditions.

**Highlights:** 3,301 original practice questions, Blueprint-weighted question weighting, Plain-English rationale for each question, Offline practice mode, AI tutor for explanations, Timed mock exams, Weak-area drills and spaced repetition

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Monthly | $11.99 | per month |
| Pro — Annual | $39.99 | per year |


## Frequently asked questions

### Is SimStack Lite free?

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

### Is HOW TO // AI free?

HOW TO // AI is free to download, with in-app purchases available.

### Which has better reviews, SimStack Lite or HOW TO // AI?

SimStack Lite and HOW TO // AI are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do SimStack Lite or HOW TO // AI have ads?

Neither SimStack Lite nor HOW TO // AI shows ads.

### Which is updated more often, SimStack Lite or HOW TO // AI?

SimStack Lite ships an update every 6 weeks, and HOW TO // AI every 4 days. Most recently, SimStack Lite was updated on July 23, 2026 and HOW TO // AI on September 20, 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.*