# k vs Bubble Diagram Maker

The clearest difference is update cadence: Bubble Diagram Maker at every 3 weeks against k's every 32 months. k's advantage is iOS requirement (11.0 vs 18). On price, ads, in-app purchases and device support there is nothing between them.

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

k ships an update every 32 months, Bubble Diagram Maker every 3 weeks. The most recent releases landed on September 23, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | k | Bubble Diagram Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (7 ratings)](https://appshunter.io/ios/app/bubble-diagram-maker/id6747011494/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 30 MB | 4 MB |
| Requires iOS | **11.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ASSA ABLOY (Schweiz) AG](https://appshunter.io/developer/1146407477) | [Bahattin Duran](https://appshunter.io/developer/1677311418) |

## What reviewers say

### k

[App page](https://appshunter.io/ios/app/k-entry/id1146407478)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Diagram Maker

[App page](https://appshunter.io/ios/app/bubble-diagram-maker/id6747011494)

Create visual diagrams for planning, conceptual thinking, and organization. Easily arrange and customize elements to bring your ideas to life without complex tools. Save and share your creations privately.

**Highlights:** Tap & Drag Creation, Full Customization (color, size, label), Unlimited Diagrams, Save & Share, Offline Functionality, Ad-Free Experience

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

**In-app purchases:** none


## Frequently asked questions

### Is k free?

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

### Is Bubble Diagram Maker free?

Bubble Diagram Maker is free to download, with no in-app purchases.

### Do k or Bubble Diagram Maker have ads?

Neither k nor Bubble Diagram Maker shows ads.

### Which is updated more often, k or Bubble Diagram Maker?

k ships an update every 32 months, and Bubble Diagram Maker every 3 weeks. Most recently, k was updated on September 23, 2026 and Bubble Diagram Maker on September 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.*