# HSPT | High School Test Prep vs Success Trigger

The clearest difference is update cadence: HSPT | High School Test Prep at every 6 weeks against Success Trigger's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. HSPT | High School Test Prep sells 2 in-app purchases, starting at $18.99 per month and Success Trigger sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

HSPT | High School Test Prep ships an update every 6 weeks, Success Trigger every 9 months. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | HSPT | High School Test Prep | Success Trigger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (61 ratings)](https://appshunter.io/ios/app/hspt-high-school-test-prep/id6446954054/reviews)** | — |
| Number of ratings | **61** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 146 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peterson's, LLC](https://appshunter.io/developer/1468090485) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### HSPT | High School Test Prep

[App page](https://appshunter.io/ios/app/hspt-high-school-test-prep/id6446954054)

Prepare for the High School Placement Test with personalized practice questions and in-depth explanations for every answer. This app offers customizable study plans and timed practice modes to help you maximize your score and increase your chances of admission to private high schools.

**Highlights:** Full exam section overview, Customizable practice question sets, In-depth answer explanations, Instant feedback study setting, Timed practice mode, Personalized study plans

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $18.99 | per month |
| 1 month | $18.99 | per month |


### Success Trigger

[App page](https://appshunter.io/ios/app/success-trigger/id6450053384)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - 20900 | $199.99 | one-time |
| Package - 21500 | $199.99 | one-time |
| Package - 29900 | $299.99 | one-time |
| Package - 34900 | $349.99 | one-time |
| Package - 39900 | $399.99 | one-time |
| Package - 54900 | $499.99 | one-time |
| Package - 59900 | $599.99 | one-time |
| Package - 69900 | $699.99 | one-time |
| Package - 79900 | $799.99 | one-time |
| Package - 89900 | $899.99 | one-time |


## Frequently asked questions

### Is HSPT | High School Test Prep free?

HSPT | High School Test Prep is free to download, with in-app purchases available.

### Is Success Trigger free?

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

### Do HSPT | High School Test Prep or Success Trigger have ads?

Neither HSPT | High School Test Prep nor Success Trigger shows ads.

### Which is updated more often, HSPT | High School Test Prep or Success Trigger?

HSPT | High School Test Prep ships an update every 6 weeks, and Success Trigger every 9 months. Most recently, HSPT | High School Test Prep was updated on October 19, 2026 and Success Trigger on October 15, 2026.

---

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