# Isaiah Explained vs CTP test prep

The clearest difference is rating: Isaiah Explained at 4.7 against CTP test prep's 1.0. Isaiah Explained also leads on ratings volume (38 vs 2). CTP test prep's advantage is review sentiment (67% vs 55%). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Isaiah Explained sells 8 one-off in-app purchases and CTP test prep sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Isaiah Explained holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Isaiah Explained has 38 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 55% of Isaiah Explained's written reviews are positive against 67% of CTP test prep's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 18, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Isaiah Explained | CTP test prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (38 ratings)](https://appshunter.io/ios/app/isaiah-explained/id1550253767/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/ctp-test-prep-treasury-cert/id6670214747/reviews) |
| Number of ratings | **38** | 2 |
| Positive reviews | 54.5% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 213 MB | 28 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hebraeus Foundation](https://appshunter.io/developer/1550253769) | [Sai Kumar](https://appshunter.io/developer/1345543090) |

## What reviewers say

### Isaiah Explained

[App page](https://appshunter.io/ios/app/isaiah-explained/id1550253767)

This app provides tools to understand the prophecies of Isaiah, clarifying complex endtime scenarios by connecting them to historical world events. It simplifies literary analysis to demystify the prophetic text.

**Highlights:** Literary analysis tools, Prophecy clarification, Endtime scenario explanation, Historical context integration, Simplified text interpretation

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The End from the Beginning | $7.99 | one-time |
| Isaiah Made Simple | $8.99 | one-time |
| The Literary Message of Isaiah | $9.99 | one-time |
| Isaiah Made Simple Audio Book | $9.99 | one-time |
| Isaiah Decoded | $11.99 | one-time |
| The End from the Beginning Aud | $11.99 | one-time |
| Apocalyptic Commentary | $13.99 | one-time |
| Isaiah Decoded Audio | $13.99 | one-time |


### CTP test prep

[App page](https://appshunter.io/ios/app/ctp-test-prep-treasury-cert/id6670214747)

Prepare for your Certified Treasury Professional (CTP) exam with over 1,000 practice questions and detailed explanations. This app offers personalized study plans and readiness scores to help you succeed on your first attempt.

**Highlights:** 1,000+ realistic practice questions, Detailed explanations for all questions, Hundreds of tests and quizzes, Personalized study plans, Readiness score for exam preparedness, Progress tracking and metrics

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Access | $8.99 | per month |
| Lifetime Premium Access | $24.99 | one-time |


## Frequently asked questions

### Is Isaiah Explained free?

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

### Is CTP test prep free?

CTP test prep is free to download, with in-app purchases available.

### Which has better reviews, Isaiah Explained or CTP test prep?

Isaiah Explained is rated higher. Isaiah Explained averages 4.7 out of 5 from 38 ratings, while CTP test prep averages 1.0 from 2 ratings.

### Do Isaiah Explained or CTP test prep have ads?

Neither Isaiah Explained nor CTP test prep shows ads.

### Which is updated more often, Isaiah Explained or CTP test prep?

Isaiah Explained ships an update every 3 months, and CTP test prep every 3 months. Most recently, Isaiah Explained was updated on September 18, 2026 and CTP test prep on September 7, 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.*