# Sumr vs Extension AI

The clearest difference is price: Sumr at Free against Extension AI's $2.99. Sumr also leads on rating (3.5 vs 1.0) and review sentiment (80% vs 40%). Extension AI's advantage is in-app purchases (none vs 4) and device support (4 vs 2). On ads there is nothing between them.

Sumr is free to download; Extension AI costs $2.99 up front. Sumr sells 4 in-app purchases, starting at $2.99 per month. Extension AI asks for nothing beyond the download.

Sumr holds the better App Store score, 3.5 against 1.0. That said, the two scores are not equally well evidenced: Sumr has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 80% of Sumr's written reviews are positive against 40% of Extension AI's.

Sumr ships an update every 3 weeks, Extension AI every 10 months. The most recent releases landed on September 16, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Sumr | Extension AI |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[3.5 (6 ratings)](https://appshunter.io/ios/app/sumr-summarize-it-all/id6503200370/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/extension-ai/id6742454059/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | **80.0% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 10 months |
| Monetization | **Freemium** | Paid |
| Size | 117 MB | 3 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Larionov](https://appshunter.io/developer/1748326212) | [Pierre Stanislas](https://appshunter.io/developer/1261009329) |

## What reviewers say

### Sumr

[App page](https://appshunter.io/ios/app/sumr-summarize-it-all/id6503200370)

Instantly condense web pages, articles, and videos into concise summaries. Ask follow-up questions and reformat content with custom prompts. Supports over 40 languages and offers flexible AI provider options.

**Highlights:** Instant web page summaries, Ask follow-up questions, Customizable summary prompts, Supports 40+ languages, Multiple AI provider options, Local summary storage, iCloud sync across devices

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe (monthly) | $2.99 | per month |
| Subscribe (yearly) | $22.99 | per year |
| Follow Up | $3.99 | one-time |
| Lifetime | $59.99 | one-time |


### Extension AI

[App page](https://appshunter.io/ios/app/extension-ai/id6742454059)

Enhance your web browsing with an AI assistant that summarizes, fact-checks, and explains content directly within your browser. Interact with AI to get concise summaries, verify information, and understand complex topics easily.

**Highlights:** Summarize articles, Fact-check information, Explain content (ELI5), Translate text, Generate questions, Analyze entire webpages

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

**In-app purchases:** none


## Frequently asked questions

### Is Sumr free?

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

### Is Extension AI free?

Extension AI costs $2.99, with no in-app purchases.

### Which has better reviews, Sumr or Extension AI?

Sumr is rated higher. Sumr averages 3.5 out of 5 from 6 ratings, while Extension AI averages 1.0 from 1 ratings.

### Do Sumr or Extension AI have ads?

Neither Sumr nor Extension AI shows ads.

### Which is updated more often, Sumr or Extension AI?

Sumr ships an update every 3 weeks, and Extension AI every 10 months. Most recently, Sumr was updated on September 16, 2026 and Extension AI on September 5, 2026.

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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.*