# Insight Flow vs Promptron

The clearest difference is in-app purchases: Insight Flow at none against Promptron's 1. Insight Flow also leads on update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Promptron sells 1 in-app purchase, starting at $4.99 per month. Insight Flow asks for nothing beyond the download.

Insight Flow ships an update every 3 days, Promptron every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Insight Flow | Promptron |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 67 MB | 8 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [sumin jin](https://appshunter.io/developer/1896298292) | [YIMING WANG](https://appshunter.io/developer/6776091890) |

## What reviewers say

### Insight Flow

[App page](https://appshunter.io/ios/app/insight-flow-my-second-brain/id6766516383)

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

**In-app purchases:** none


### Promptron

[App page](https://appshunter.io/ios/app/promptron/id6776091498)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Promptron Pro | $4.99 | per month |


## Frequently asked questions

### Is Insight Flow free?

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

### Is Promptron free?

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

### Do Insight Flow or Promptron have ads?

Neither Insight Flow nor Promptron shows ads.

### Which is updated more often, Insight Flow or Promptron?

Insight Flow ships an update every 3 days, and Promptron every 3 weeks. Most recently, Insight Flow was updated on October 25, 2026 and Promptron on October 25, 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.*