# AI Thinkin vs Sumly

The clearest difference is in-app purchases: AI Thinkin at none against Sumly's 3. AI Thinkin also leads on iOS requirement (13.0 vs 15.1). Sumly's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Sumly sells 3 in-app purchases, starting at $4.99 per 7 days. AI Thinkin asks for nothing beyond the download.

AI Thinkin ships an update every 5 days, Sumly every 4 days. The most recent releases landed on October 31, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | AI Thinkin | Sumly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 111 MB | 70 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [FANG Inc.](https://appshunter.io/developer/412624975) | [Rodger Studio (Apps)](https://appshunter.io/developer/1861800626) |

## What reviewers say

### AI Thinkin

[App page](https://appshunter.io/ios/app/ai-thinkin/id6757946384)

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

**In-app purchases:** none


### Sumly

[App page](https://appshunter.io/ios/app/sumly-ai-note-recorder/id6761623502)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly 1 | $4.99 | per 7 days |
| Premium Monthly 1 | $9.99 | per month |
| Premium Yearly 1 | $44.99 | per year |


## Frequently asked questions

### Is AI Thinkin free?

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

### Is Sumly free?

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

### Do AI Thinkin or Sumly have ads?

AI Thinkin shows ads; Sumly does not.

### Which is updated more often, AI Thinkin or Sumly?

AI Thinkin ships an update every 5 days, and Sumly every 4 days. Most recently, AI Thinkin was updated on October 31, 2026 and Sumly on October 15, 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.*