# Theory 10 vs TestIL

The clearest difference is price: Theory 10 at Free against TestIL's $3.99. Theory 10 also leads on update cadence (every 4 months vs every 49 months). TestIL's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Theory 10 is free to download; TestIL costs $3.99 up front. Theory 10 sells 1 one-off in-app purchase. TestIL asks for nothing beyond the download.

Theory 10 ships an update every 4 months, TestIL every 49 months. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Theory 10 | TestIL |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.7 (39 ratings)](https://appshunter.io/ios/app/theory-10/id1020710773/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 49 months |
| Monetization | Ad-supported | — |
| Size | 72 MB | 53 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Feldman](https://appshunter.io/developer/1020710772) | [Avi Yosipovitch](https://appshunter.io/developer/1158567882) |

## What reviewers say

### Theory 10

[App page](https://appshunter.io/ios/app/theory-10/id1020710773)

Prepare for your driving theory exam with comprehensive training exercises and access to the official question bank. Track your progress, review errors, and practice in simulated test formats. All features are available for free, even offline.

**Highlights:** Training exercises, Official question bank access, Progress tracking graph, Road sign categorization, Test simulations, Error correction mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### TestIL

[App page](https://appshunter.io/ios/app/testil/id1536263969)

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

**In-app purchases:** none


## Frequently asked questions

### Is Theory 10 free?

Theory 10 is free to download, with in-app purchases available.

### Is TestIL free?

TestIL costs $3.99, with no in-app purchases.

### Do Theory 10 or TestIL have ads?

Theory 10 shows ads; TestIL does not.

### Which is updated more often, Theory 10 or TestIL?

Theory 10 ships an update every 4 months, and TestIL every 49 months. Most recently, Theory 10 was updated on October 14, 2026 and TestIL on October 5, 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.*