# Pedagram vs Bubble Diagram Maker

The clearest difference is rating: Pedagram at 4.0 against Bubble Diagram Maker's 3.6. Bubble Diagram Maker's advantage is update cadence (every 3 weeks vs every 6 months) and ratings volume (7 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Pedagram holds the better App Store score, 4.0 against 3.6. That said, the two scores are not equally well evidenced: Bubble Diagram Maker has 7 ratings behind it against 1, so its average is the more settled of the two.

Pedagram ships an update every 6 months, Bubble Diagram Maker every 3 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | Pedagram | Bubble Diagram Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/pedagram/id6470257127/reviews)** | [3.6 (7 ratings)](https://appshunter.io/ios/app/bubble-diagram-maker/id6747011494/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 4 MB |
| Requires iOS | **17.0** | 18 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jia Chen Yee](https://appshunter.io/developer/1688509850) | [Bahattin Duran](https://appshunter.io/developer/1677311418) |

## What reviewers say

### Pedagram

[App page](https://appshunter.io/ios/app/pedagram/id6470257127)

This app provides observational data to assess the impact of classroom technology. It allows observers to answer questions periodically, generating a visual report of collected data that can be exported as a PDF.

**Highlights:** Observational data collection, Periodic question answering, Visual data reports, PDF export functionality, Collaborative use for instructors and observers

**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 Pedagram free?

Pedagram 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.

### Which has better reviews, Pedagram or Bubble Diagram Maker?

Pedagram is rated higher. Pedagram averages 4.0 out of 5 from 1 ratings, while Bubble Diagram Maker averages 3.6 from 7 ratings.

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

Neither Pedagram nor Bubble Diagram Maker shows ads.

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

Pedagram ships an update every 6 months, and Bubble Diagram Maker every 3 weeks. Most recently, Pedagram was updated on October 7, 2026 and Bubble Diagram Maker on October 7, 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.*