# Constella vs Redtail

The clearest difference is in-app purchases: Redtail at none against Constella's 6. Redtail also leads on iOS requirement (12.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Constella sells 6 in-app purchases, starting at $7.99 per month. Redtail asks for nothing beyond the download.

## The numbers

| Metric | Constella | Redtail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/constella-your-digital-brain/id6670701631/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Freemium | — |
| Size | 89 MB | 82 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nora Studios](https://appshunter.io/developer/1697592179) | [JULIJA JANKELAITYTE](https://appshunter.io/developer/1818412563) |

## What reviewers say

### Constella

[App page](https://appshunter.io/ios/app/constella-your-digital-brain/id6670701631)

Capture thoughts, synthesize ideas, and automate workflows in one place. This AI-powered tool connects notes, emails, and tasks to surface insights and allows for instant semantic search. It adapts to various thinking styles, making it ideal for professionals and creatives.

**Highlights:** Instant thought capture with text and images, AI synthesis across notes, emails, and apps, Semantic instant search, Smart automations and task delegation, Sync across devices, Integrates with Notion, Google Drive

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Base | $7.99 | per month |
| Ultra | $19.99 | per month |
| Base Yearly | $71.99 | per year |
| Ultra Yearly | $179.99 | per year |
| Stella Call Credits - Small | $2.99 | one-time |
| Stella Call Credits - Big | $5.99 | one-time |


### Redtail

[App page](https://appshunter.io/ios/app/redtail-study-smart/id6746768425)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Constella free?

Constella is free to download, with in-app purchases available.

### Is Redtail free?

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

### Do Constella or Redtail have ads?

Neither Constella nor Redtail 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.*