# TopicFlow vs Magic Photo Ruler. AI.

The clearest difference is in-app purchases: Magic Photo Ruler. AI. at none against TopicFlow's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TopicFlow sells 3 in-app purchases, starting at $4.99 per month. Magic Photo Ruler. AI. asks for nothing beyond the download.

TopicFlow ships an update every 9 days, Magic Photo Ruler. AI. every 10 days. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | TopicFlow | Magic Photo Ruler. AI. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/topicflow-ai-notes/id6765620478/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | Freemium | — |
| Size | 67 MB | 41 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [亦君 潘](https://appshunter.io/developer/1889920920) | [Seugjae Kang](https://appshunter.io/developer/1896231835) |

## What reviewers say

### TopicFlow

[App page](https://appshunter.io/ios/app/topicflow-ai-notes/id6765620478)

This app transforms AI conversations into structured, reusable notes, plans, and summaries. It allows users to branch discussions for focused follow-ups and capture key ideas before they are lost. Organize your AI-generated content locally and export it when ready.

**Highlights:** Transform AI chats into reusable notes, Branch conversations for focused follow-ups, Capture and organize key ideas, Refocus AI discussions without re-prompting, Export and share selected content, Local topic history organization, Connect own AI provider keys

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TopicFlow Monthly Subscription | $4.99 | per month |
| TopicFlow Yearly Subscription | $29.99 | per year |
| TopicFlow Lifetime Access | $69.99 | one-time |


### Magic Photo Ruler. AI.

[App page](https://appshunter.io/ios/app/magic-photo-ruler-ai/id6777603585)

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

**In-app purchases:** none


## Frequently asked questions

### Is TopicFlow free?

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

### Is Magic Photo Ruler. AI. free?

Magic Photo Ruler. AI. is free to download, with no in-app purchases.

### Do TopicFlow or Magic Photo Ruler. AI. have ads?

Neither TopicFlow nor Magic Photo Ruler. AI. shows ads.

### Which is updated more often, TopicFlow or Magic Photo Ruler. AI.?

TopicFlow ships an update every 9 days, and Magic Photo Ruler. AI. every 10 days. Most recently, TopicFlow was updated on October 14, 2026 and Magic Photo Ruler. AI. on October 6, 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.*