# HayaFlow vs Diagram Explainer

The clearest difference is ads: HayaFlow at none against Diagram Explainer's shown. HayaFlow also leads on update cadence (weekly vs every 3 months). Diagram Explainer's advantage is iOS requirement (15.0 vs 18). On price, in-app purchases and device support there is nothing between them.

Both are free to download. HayaFlow sells 1 one-off in-app purchase and Diagram Explainer sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

HayaFlow ships an update weekly, Diagram Explainer every 3 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HayaFlow | Diagram Explainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 3 months |
| Size | 6 MB | 99 MB |
| Requires iOS | 18 | **15.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Masato Hayashi](https://appshunter.io/developer/1856848263) | [EclixTech UK LTD](https://appshunter.io/developer/1824450302) |

## What reviewers say

### HayaFlow

[App page](https://appshunter.io/ios/app/hayaflow-flowchart-tool/id6761299030)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HayaFlow Unlock Full Function | $2.99 | one-time |


### Diagram Explainer

[App page](https://appshunter.io/ios/app/diagram-explainer-ai-helper/id6761840834)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| Monthly Subscription | $7.99 | per month |
| Yearly Subscription | $29.99 | per year |
| Yearly Subscription | $44.99 | per year |


## Frequently asked questions

### Is HayaFlow free?

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

### Is Diagram Explainer free?

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

### Do HayaFlow or Diagram Explainer have ads?

Diagram Explainer shows ads; HayaFlow does not.

### Which is updated more often, HayaFlow or Diagram Explainer?

HayaFlow ships an update weekly, and Diagram Explainer every 3 months. Most recently, HayaFlow was updated on October 24, 2026 and Diagram Explainer 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.*