# Stress Test. vs API

The clearest difference is update cadence: Stress Test. at weekly against API's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Stress Test. sells 5 one-off in-app purchases and API sells 10 in-app purchases, starting at $35.00 per month. Whichever you choose, the download price is not the number that matters.

Stress Test. ships an update weekly, API monthly. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Stress Test. | API |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 77 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [F.R. - CUIDADOS DE SAUDE, LDA](https://appshunter.io/developer/1568299411) | [API GROUP S.r.l](https://appshunter.io/developer/1890424621) |

## What reviewers say

### Stress Test.

[App page](https://appshunter.io/ios/app/stress-test/id1580761803)

This application uses a questionnaire to help users identify personal stress factors and triggers. It allows for regular assessment of stress levels to track improvements or worsening conditions.

**Highlights:** Stress factor identification, Trigger identification, Regular stress level assessment, Questionnaire-based testing, Progress tracking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Mental Health Test Pack | $1.99 | one-time |
| Personality Test Pack | $1.99 | one-time |
| Relationships Test Pack | $1.99 | one-time |
| Unlock All Tests | $3.99 | one-time |


### API

[App page](https://appshunter.io/ios/app/api-app/id6761608539)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Modules Monthly Pack | $35.00 | per month |
| 10 Users Monthly Pack | $39.00 | per month |
| 5 Modules Monthly Pack | $49.00 | per month |
| 10 Modules Monthly Pack | $89.99 | per month |
| 25 Modules Monthly Pack | $149.99 | per month |
| 5 Users Annual Pack | $229.00 | per year |
| 100 Users Monthly Pack | $349.99 | per month |
| 10 Users Annual Pack | $399.99 | per year |
| 20 Users Annual Pack | $799.99 | per year |
| 10 Modules Annual Pack | $999.99 | per year |


## Frequently asked questions

### Is Stress Test. free?

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

### Is API free?

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

### Do Stress Test. or API have ads?

Neither Stress Test. nor API shows ads.

### Which is updated more often, Stress Test. or API?

Stress Test. ships an update weekly, and API monthly. Most recently, Stress Test. was updated on October 12, 2026 and API on October 16, 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.*