# OTESgr8kids vs HYDNAF EDU

The clearest difference is in-app purchases: OTESgr8kids at none against HYDNAF EDU's 1. OTESgr8kids also leads on update cadence (every 3 months vs every 9 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. HYDNAF EDU sells 1 one-off in-app purchase. OTESgr8kids asks for nothing beyond the download.

OTESgr8kids ships an update every 3 months, HYDNAF EDU every 9 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | OTESgr8kids | HYDNAF EDU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/otesgr8kids/id1266248026/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free | — |
| Size | 85 MB | 85 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Tanya Mason](https://appshunter.io/developer/1266248025) | [TagMango Inc](https://appshunter.io/developer/1611765353) |

## What reviewers say

### OTESgr8kids

[App page](https://appshunter.io/ios/app/otesgr8kids/id1266248026)

This educational app supports 5th-grade students, teachers, and parents with Common Core standards. It provides resources and tools to enhance learning and teaching for this specific grade level.

**Highlights:** 5th-grade Common Core support, Tools for students, Resources for teachers, Support for parents, Educational content

**In-app purchases:** none


### HYDNAF EDU

[App page](https://appshunter.io/ios/app/hydnaf-edu/id6740763898)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| L0 - FAST START BUNDLE | $4.99 | one-time |


## Frequently asked questions

### Is OTESgr8kids free?

OTESgr8kids is free to download, with no in-app purchases.

### Is HYDNAF EDU free?

HYDNAF EDU is free to download, with in-app purchases available.

### Do OTESgr8kids or HYDNAF EDU have ads?

Neither OTESgr8kids nor HYDNAF EDU shows ads.

### Which is updated more often, OTESgr8kids or HYDNAF EDU?

OTESgr8kids ships an update every 3 months, and HYDNAF EDU every 9 months. Most recently, OTESgr8kids was updated on November 3, 2026 and HYDNAF EDU on October 30, 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.*