# Test Prep vs Diggs

The clearest difference is rating: Diggs at 5.0 against Test Prep's 3.5. Diggs also leads on update cadence (every 6 weeks vs every 6 months). Test Prep's advantage is ratings volume (6 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Test Prep sells 2 in-app purchases, starting at $4.99 per 7 days and Diggs sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Diggs holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

Test Prep ships an update every 6 months, Diggs every 6 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Test Prep | Diggs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (6 ratings)](https://appshunter.io/ios/app/test-prep-aleks-math/id6752824279/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/diggs/id6759153060/reviews)** |
| Number of ratings | **6** | 2 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 2 MB | 98 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Nikhil Kumar](https://appshunter.io/developer/1783391273) | [ELIAS BRUNO MENDOZAMOLEROS](https://appshunter.io/developer/1877068454) |

## What reviewers say

### Test Prep

[App page](https://appshunter.io/ios/app/test-prep-aleks-math/id6752824279)

Prepare for your math placement exam with extensive practice questions, detailed explanations, and timed tests. Track your progress, master key topics, and utilize flashcards for efficient studying. All content is available offline, with no account required.

**Highlights:** 317 practice questions with step-by-step explanations, Timed practice tests and speed drills, 185 flashcards for key terms and formulas, Topic-by-topic breakdown of results, Daily question goals and study streaks, Offline functionality, no account needed

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Lifetime Premium | $29.99 | one-time |


### Diggs

[App page](https://appshunter.io/ios/app/diggs/id6759153060)

This AI-powered calculus tutor provides step-by-step solutions to problems, explains complex concepts, and offers adaptive practice quizzes. Visualize functions with the Graph Lab and personalize your study plan with a roadmap feature. Track your progress and stay consistent with daily goals.

**Highlights:** Step-by-step problem solutions, Concept explanations, Adaptive practice quizzes, Visual graph plotting, Personalized study roadmap, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diggs Pro Monthly | $4.99 | per month |
| Diggs Pro Annual | $41.99 | per year |


## Frequently asked questions

### Is Test Prep free?

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

### Is Diggs free?

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

### Which has better reviews, Test Prep or Diggs?

Diggs is rated higher. Test Prep averages 3.5 out of 5 from 6 ratings, while Diggs averages 5.0 from 2 ratings.

### Do Test Prep or Diggs have ads?

Neither Test Prep nor Diggs shows ads.

### Which is updated more often, Test Prep or Diggs?

Test Prep ships an update every 6 months, and Diggs every 6 weeks. Most recently, Test Prep was updated on October 30, 2026 and Diggs on October 31, 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.*