# Bubble Diagram Maker vs Synkro

The clearest difference is update cadence: Synkro at weekly against Bubble Diagram Maker's every 3 weeks. Synkro also leads on iOS requirement (15.1 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.

Bubble Diagram Maker ships an update every 3 weeks, Synkro weekly. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Bubble Diagram Maker | Synkro |
| --- | --- | --- |
| 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 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 4 MB | 25 MB |
| Requires iOS | 18 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Bahattin Duran](https://appshunter.io/developer/1677311418) | [START.IT](https://appshunter.io/developer/1107920806) |

## What reviewers say

### 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


### Synkro

[App page](https://appshunter.io/ios/app/synkro-shared-list/id6748000079)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Diagram Maker free?

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

### Is Synkro free?

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

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

Neither Bubble Diagram Maker nor Synkro shows ads.

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

Bubble Diagram Maker ships an update every 3 weeks, and Synkro weekly. Most recently, Bubble Diagram Maker was updated on October 7, 2026 and Synkro on October 14, 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.*