# Electronic Formulator vs Montessori Flipbook Creator

The clearest difference is price: Electronic Formulator at Free against Montessori Flipbook Creator's $0.99. Montessori Flipbook Creator's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 26.2). On update cadence, ads and device support there is nothing between them.

Electronic Formulator is free to download; Montessori Flipbook Creator costs $0.99 up front. Electronic Formulator sells 1 one-off in-app purchase. Montessori Flipbook Creator asks for nothing beyond the download.

Electronic Formulator ships an update every 9 days, Montessori Flipbook Creator fortnightly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Electronic Formulator | Montessori Flipbook Creator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/montessori-flipbook-creator/id1546182721/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | — | Paid |
| Size | 19 MB | 151 MB |
| Requires iOS | 26.2 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [Arjun Gupte](https://appshunter.io/developer/620272974) |

## What reviewers say

### Electronic Formulator

[App page](https://appshunter.io/ios/app/electronic-formulator/id675036997)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Electronic Pro | $2.99 | one-time |


### Montessori Flipbook Creator

[App page](https://appshunter.io/ios/app/montessori-flipbook-creator/id1546182721)

This app allows children to create animated flipbooks and movies using a drawing interface. It follows Montessori principles, encouraging learning through play without distractions. Created animations can be printed as PDFs to assemble physical flipbooks.

**Highlights:** Create animation flipbooks, Draw and animate movies, Printable PDF output, Intuitive controls, Stylus integration, Ad-free and tracking-free

**In-app purchases:** none


## Frequently asked questions

### Is Electronic Formulator free?

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

### Is Montessori Flipbook Creator free?

Montessori Flipbook Creator costs $0.99, with no in-app purchases.

### Do Electronic Formulator or Montessori Flipbook Creator have ads?

Neither Electronic Formulator nor Montessori Flipbook Creator shows ads.

### Which is updated more often, Electronic Formulator or Montessori Flipbook Creator?

Electronic Formulator ships an update every 9 days, and Montessori Flipbook Creator fortnightly. Most recently, Electronic Formulator was updated on October 8, 2026 and Montessori Flipbook Creator 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.*