# Celestis vs Index

The clearest difference is in-app purchases: Celestis at none against Index's 2. Celestis also leads on ratings volume (4 vs 1). Index's advantage is iOS requirement (17.0 vs 26.0). On price, rating, ads and device support there is nothing between them.

Both are free to download. Index sells 2 in-app purchases, starting at $9.99 per month. Celestis asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Celestis against 5.0 for Index. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

## The numbers

| Metric | Celestis | Index |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/celestis/id6781116681/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/index-save-anything/id6792155273/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free | — |
| Size | 3.0 GB | 19 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Celestis Ai Inc](https://appshunter.io/developer/6781116683) | [Sunset Capital, llc](https://appshunter.io/developer/6778595232) |

## What reviewers say

### Celestis

[App page](https://appshunter.io/ios/app/celestis/id6781116681)

This AI assistant empowers professionals with private, on-device intelligence for document analysis and knowledge retrieval. It offers offline capabilities, custom AI models built from your data, and supports various AI providers for ultimate flexibility and data sovereignty.

**Highlights:** On-device AI with Apple Intelligence, Offline AI capabilities, Private Capsules for custom AI models, Support for multiple AI providers, Near 100% accurate, sourceable answers, Document ingestion from various formats

**Features:** macOS Compatibility

**In-app purchases:** none


### Index

[App page](https://appshunter.io/ios/app/index-save-anything/id6792155273)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Index Pro Monthly | $9.99 | per month |
| Index Pro Annual | $79.99 | per year |


## Frequently asked questions

### Is Celestis free?

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

### Is Index free?

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

### Which has better reviews, Celestis or Index?

Celestis and Index are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Celestis or Index have ads?

Neither Celestis nor Index 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.*