# Sigourney CSD vs Aline

The clearest difference is update cadence: Aline at every 2 months against Sigourney CSD's every 21 months. 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.

Sigourney CSD ships an update every 21 months, Aline every 2 months. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Sigourney CSD | Aline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 2 months** |
| Size | 127 MB | 146 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sigourney Community School District](https://appshunter.io/developer/1569687697) | [Aline-Cleo Public Schools](https://appshunter.io/developer/1724861942) |

## What reviewers say

### Sigourney CSD

[App page](https://appshunter.io/ios/app/sigourney-csd/id1569687605)

**In-app purchases:** none


### Aline

[App page](https://appshunter.io/ios/app/aline-cleo-public-schools/id6475698366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sigourney CSD free?

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

### Is Aline free?

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

### Do Sigourney CSD or Aline have ads?

Neither Sigourney CSD nor Aline shows ads.

### Which is updated more often, Sigourney CSD or Aline?

Sigourney CSD ships an update every 21 months, and Aline every 2 months. Most recently, Sigourney CSD was updated on September 15, 2026 and Aline on September 11, 2026.

---

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