# Sci vs OCTAVE

Sci and OCTAVE 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 6 weeks, OCTAVE monthly. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Sci | OCTAVE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 86 MB | 45 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, 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) | [Suzhou IMC Property Development Co., Ltd](https://appshunter.io/developer/1688990756) |

## What reviewers say

### Sci

[App page](https://appshunter.io/ios/app/sci-lab-primary/id1387072836)

**In-app purchases:** none


### OCTAVE

[App page](https://appshunter.io/ios/app/octave/id6449422278)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sci free?

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

### Is OCTAVE free?

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

### Do Sci or OCTAVE have ads?

Neither Sci nor OCTAVE shows ads.

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

Sci ships an update every 6 weeks, and OCTAVE monthly. Most recently, Sci was updated on September 9, 2026 and OCTAVE 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.*