# Equation = vs Draskulla

The clearest difference is ads: Draskulla at none against Equation ='s shown. Draskulla also leads on update cadence (daily vs every 5 months) and iOS requirement (10.0 vs 13.0). On price, 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.

Equation = ships an update every 5 months, Draskulla daily. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Equation = | Draskulla |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Daily** |
| Size | 91 MB | 50 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Beijing Ningdom Technology Co., Ltd.](https://appshunter.io/developer/434217018) | [Thi Giang Nguyen](https://appshunter.io/developer/1821171930) |

## What reviewers say

### Equation =

[App page](https://appshunter.io/ios/app/equation/id6737338940)

**In-app purchases:** none


### Draskulla

[App page](https://appshunter.io/ios/app/draskulla/id6746774213)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Equation = free?

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

### Is Draskulla free?

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

### Do Equation = or Draskulla have ads?

Equation = shows ads; Draskulla does not.

### Which is updated more often, Equation = or Draskulla?

Equation = ships an update every 5 months, and Draskulla daily. Most recently, Equation = was updated on October 6, 2026 and Draskulla on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*