# Shark SMS vs eisonAI

The clearest difference is monetization model: Shark SMS at freemium against eisonAI's paid. Shark SMS also leads on ratings volume (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Shark SMS sells 3 in-app purchases, starting at $0.99 per 7 days and eisonAI sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Shark SMS against 5.0 for eisonAI. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

## The numbers

| Metric | Shark SMS | eisonAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/shark-sms/id6445952655/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/eisonai/id6484502399/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | **Freemium** | Paid |
| Size | 2 MB | 29 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [传胜 贾](https://appshunter.io/developer/789568029) | [伟才 黄](https://appshunter.io/developer/1313606730) |

## What reviewers say

### Shark SMS

[App page](https://appshunter.io/ios/app/shark-sms/id6445952655)

This app uses AI to intelligently filter and group spam messages offline. It offers custom rules for keywords and numbers, ensuring your inbox stays clean and private. A VIP subscription unlocks all features across devices.

**Highlights:** AI-powered offline message grouping, Custom keyword and number rules, Blacklist and whitelist functionality, Regular expression support for rules, Online model updates, Privacy-focused offline processing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription (One Week) | $0.99 | per 7 days |
| Monthly Subscription | $1.99 | per month |
| 永久会员 | $3.99 | one-time |


### eisonAI

[App page](https://appshunter.io/ios/app/eisonai/id6484502399)

This app helps you understand complex texts by revealing their underlying structure, not by summarizing. It highlights key decision points, assumptions, and argument turns, allowing for more deliberate and focused reading. Designed for long-form content, it works directly on web pages and documents, keeping your data private.

**Highlights:** Highlights decisions, assumptions, and argument turns, Works directly on web pages via Safari Extension, Handles long documents up to 15,000 tokens, On-device processing for privacy, CloudKit sync across Apple devices, Open source and auditable core components

**Features:** Safari Extension, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is Shark SMS free?

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

### Is eisonAI free?

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

### Which has better reviews, Shark SMS or eisonAI?

Shark SMS and eisonAI are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Shark SMS or eisonAI have ads?

Neither Shark SMS nor eisonAI 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.*