# TopsOJ vs AMC Math

The clearest difference is update cadence: AMC Math at daily against TopsOJ's every 2 weeks. TopsOJ's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TopsOJ ships an update every 2 weeks, AMC Math daily. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | TopsOJ | AMC Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 23 MB | 96 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jikai Chen](https://appshunter.io/developer/1872766929) | [Shyam Mishra](https://appshunter.io/developer/1839338953) |

## What reviewers say

### TopsOJ

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

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

**In-app purchases:** none


### AMC Math

[App page](https://appshunter.io/ios/app/amc-math/id6758410205)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TopsOJ free?

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

### Is AMC Math free?

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

### Do TopsOJ or AMC Math have ads?

Neither TopsOJ nor AMC Math shows ads.

### Which is updated more often, TopsOJ or AMC Math?

TopsOJ ships an update every 2 weeks, and AMC Math daily. Most recently, TopsOJ was updated on October 4, 2026 and AMC Math 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.*