# Sayit vs Stelo

The clearest difference is iOS requirement: Sayit at 12.0 against Stelo's 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.

## The numbers

| Metric | Sayit | Stelo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stelo-night-sky-diary/id6763764420/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 71 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chankook Na](https://appshunter.io/developer/1718842206) | [JIYULMOM](https://appshunter.io/developer/379186743) |

## What reviewers say

### Sayit

[App page](https://appshunter.io/ios/app/sayit/id6741769112)

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

**In-app purchases:** none


### Stelo

[App page](https://appshunter.io/ios/app/stelo-night-sky-diary/id6763764420)

This ambient stargazing companion offers a private night sky that grows daily. Connect new stars to draw and name your own constellations, creating a personal gallery. Special celestial events and accidental discoveries unlock astronomical insights.

**Highlights:** Daily new stars added to personal sky, Draw and name custom constellations, Gallery of created constellations, Special stars for celestial events, Accidental discovery of IAU constellations, Home screen widgets

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

**In-app purchases:** none


## Frequently asked questions

### Is Sayit free?

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

### Is Stelo free?

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

### Do Sayit or Stelo have ads?

Neither Sayit nor Stelo shows ads.

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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.*