Comparison

OTESgr8kids vs HYDNAF EDU

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

OTESgr8kids

Free

📚 Education

★ 5.02 ratingsView app →

About

OTESgr8kids

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

Read full description

This APP is for any student, teacher, or parent of the 5th-grade common core.

About

HYDNAF EDU

Features

Read full description

HYDNAF is an innovative app to help students in grades 7 to 12 discover passion

Screenshots

OTESgr8kids4 screens

HYDNAF EDU4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard4 real differences · 5 level

OTESgr8kids versus HYDNAF EDU: the parameters behind the verdict, then further details
Parameter	OTESgr8kids	HYDNAF EDU
Price	Free	Free
Rating	5.0 (2 ratings) — better	—
Number of ratings	2 — better	—
Update frequency	Every 3 months — better	Every 9 months
Ads	No	No
In-app purchases	No — better	Yes
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	12.0 — better	16.4
Further details — not scored
Size	85 MB	85 MB
Age rating	4+	17+
Developer	Tanya Mason	TagMango Inc

In-app purchases

None

OTESgr8kids

No in-app purchases

1 purchases

HYDNAF EDU

One-time1

L0 - FAST START BUNDLE$4.99

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.