# AP Physics 1 vs TopsOJ

The clearest difference is in-app purchases: TopsOJ at none against AP Physics 1's 8. TopsOJ also leads on update cadence (fortnightly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AP Physics 1 sells 8 in-app purchases, starting at $5.99 per 7 days. TopsOJ asks for nothing beyond the download.

AP Physics 1 ships an update every 6 months, TopsOJ fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | AP Physics 1 | TopsOJ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ap-physics-1-exam-test-prep/id1553006619/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 23 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Expanded Apps](https://appshunter.io/developer/313709778) | [Jikai Chen](https://appshunter.io/developer/1872766929) |

## What reviewers say

### AP Physics 1

[App page](https://appshunter.io/ios/app/ap-physics-1-exam-test-prep/id1553006619)

Prepare for the AP Physics 1 exam with 500 practice questions that mimic the actual test's format and difficulty. Detailed explanations are provided for each answer, and interactive study modes help track your progress. Access all questions with a subscription.

**Highlights:** 500 AP-style questions, Detailed answer explanations, Simulates real AP exam, Study, Timed Exam, and Bookmark modes, Progress tracking, iCloud save functionality

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $5.99 | per 7 days |
| 1 Week | $6.99 | per 7 days |
| 1 Month | $17.99 | per month |
| 1 Month Subscription | $17.99 | per month |
| AP Physics 1 - 3 Months | $39.99 | per 3 months |
| 1 Year | $69.99 | per year |
| 1 year | $99.99 | per year |
| AP Physics 1 | $15.99 | one-time |


### TopsOJ

[App page](https://appshunter.io/ios/app/topsoj/id6758404876)

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

**In-app purchases:** none


## Frequently asked questions

### Is AP Physics 1 free?

AP Physics 1 is free to download, with in-app purchases available.

### Is TopsOJ free?

TopsOJ is free to download, with no in-app purchases.

### Do AP Physics 1 or TopsOJ have ads?

Neither AP Physics 1 nor TopsOJ shows ads.

### Which is updated more often, AP Physics 1 or TopsOJ?

AP Physics 1 ships an update every 6 months, and TopsOJ fortnightly. Most recently, AP Physics 1 was updated on October 24, 2026 and TopsOJ on October 24, 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.*