# Ulipsu Passbook vs STEM School

The clearest difference is iOS requirement: Ulipsu Passbook at 13.0 against STEM School's 15.6. 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.

Ulipsu Passbook ships an update every 3 weeks, STEM School every 2 months. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Ulipsu Passbook | STEM School |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/ulipsu-passbook/id6450598394/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 71 MB | 64 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Kidvento app](https://appshunter.io/developer/1579826894) | [Wisibles](https://appshunter.io/developer/1811491403) |

## What reviewers say

### Ulipsu Passbook

[App page](https://appshunter.io/ios/app/ulipsu-passbook/id6450598394)

Monitor your child's skill development with detailed progress reports and goal setting. Create individual profiles for each child and collaborate with other parents and educators to support their growth.

**Highlights:** Skill monitoring for children, Individual child profiles, Detailed progress reports, Goal setting and reminders, Parent and professional collaboration, Data privacy and security

**In-app purchases:** none


### STEM School

[App page](https://appshunter.io/ios/app/stem-school/id6745240313)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ulipsu Passbook free?

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

### Is STEM School free?

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

### Do Ulipsu Passbook or STEM School have ads?

Neither Ulipsu Passbook nor STEM School shows ads.

### Which is updated more often, Ulipsu Passbook or STEM School?

Ulipsu Passbook ships an update every 3 weeks, and STEM School every 2 months. Most recently, Ulipsu Passbook was updated on September 14, 2026 and STEM School on September 17, 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.*