# Sci vs atkxtool

Sci and atkxtool are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Sci ships an update every 5 weeks, atkxtool monthly. The most recent releases landed on October 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Sci | atkxtool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 88 MB | 47 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [山东远大朗威教育科技股份有限公司](https://appshunter.io/developer/1197726190) | [军 刘](https://appshunter.io/developer/1811358184) |

## What reviewers say

### Sci

[App page](https://appshunter.io/ios/app/sci-lab/id1197726221)

**In-app purchases:** none


### atkxtool

[App page](https://appshunter.io/ios/app/atkxtool/id6759994183)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sci free?

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

### Is atkxtool free?

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

### Do Sci or atkxtool have ads?

Neither Sci nor atkxtool shows ads.

### Which is updated more often, Sci or atkxtool?

Sci ships an update every 5 weeks, and atkxtool monthly. Most recently, Sci was updated on October 1, 2026 and atkxtool on September 19, 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.*