# iBrainstorm vs KEIRO

The clearest difference is rating: KEIRO at 4.0 against iBrainstorm's 3.7. KEIRO also leads on device support (3 vs 1). iBrainstorm's advantage is ratings volume (25 vs 4) and iOS requirement (7.1 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KEIRO holds the better App Store score, 4.0 against 3.7. That said, the two scores are not equally well evidenced: iBrainstorm has 25 ratings behind it against 4, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 23, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | iBrainstorm | KEIRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (25 ratings)](https://appshunter.io/ios/app/ibrainstorm/id382252825/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/keiro/id1319745254/reviews)** |
| Number of ratings | **25** | 4 |
| Positive reviews | 45.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | Free |
| Size | 11 MB | 270 MB |
| Requires iOS | **7.1** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Erik Loehfelm](https://appshunter.io/developer/316060414) | [Engino](https://appshunter.io/developer/875789415) |

## What reviewers say

### iBrainstorm

[App page](https://appshunter.io/ios/app/ibrainstorm/id382252825)

This app allows users to capture and organize creative ideas on a digital canvas. Easily add notes, drawings, and arrange them visually. Share your brainstormed content seamlessly across devices.

**Highlights:** Multi-device collaboration, Add and drag-and-drop notes, Assign colors to notes, Digital drawing board, Zoom functionality, Capture and share ideas

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💡 Great app for brainstorming and organizing ideas
- 👍 Simple and intuitive to use
- 🚀 Useful for quick note-taking and sketching
- 👍 Nice visual design and layout

**What reviewers complain about**

- 🐛 Occasional crashes or loss of data
- 🔍 Limited functionality (e.g. no undo, no resizing of notes)
- 🔍 Difficulty deleting or clearing the workspace
- 🔍 Lack of collaboration features (e.g. no multi-user support)

**Reported bugs**

- Sticky notes sometimes disappear after reopening the app
- Drawing tools can be laggy or unresponsive
- Difficulty connecting devices for collaboration

**Requested features**

- Add undo/redo functionality
- Allow resizing and formatting of sticky notes
- Implement multi-page or infinite workspace
- Enable collaboration between multiple devices
- Add support for inserting images and documents


### KEIRO

[App page](https://appshunter.io/ios/app/keiro/id1319745254)

This block-based programming platform enables users to create complex functionalities for robotics systems. It offers a user-friendly flow diagram interface for editing programs and supports manual programming via on-board buttons.

**Highlights:** Block-based programming, Flow diagram interface, Manual programming via buttons, Complex functionality editing, User-friendly design

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

**In-app purchases:** none


## Frequently asked questions

### Is iBrainstorm free?

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

### Is KEIRO free?

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

### Which has better reviews, iBrainstorm or KEIRO?

KEIRO is rated higher. iBrainstorm averages 3.7 out of 5 from 25 ratings, while KEIRO averages 4.0 from 4 ratings.

### Do iBrainstorm or KEIRO have ads?

Neither iBrainstorm nor KEIRO shows ads.

### Which is updated more often, iBrainstorm or KEIRO?

iBrainstorm ships an update every 4 months, and KEIRO every 4 months. Most recently, iBrainstorm was updated on October 23, 2026 and KEIRO on October 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.*