Comparison

Grade 4 Math & Science vs HT1000 GNSS Tutorial

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

Head to head
About

Grade 4 Math & Science

This app offers interactive quizzes for fourth graders to master math and science concepts. It provides instant feedback, progress tracking with visual charts, and offline access to all content. Designed to be child-friendly and distraction-free, it supports learning at home or in class.

Highlights
  • Topic-wise quizzes
  • Instant feedback
  • Progress tracking with pie charts
  • Score reset option
  • Offline mode
  • Child-friendly design
Features
Read full description

Grade-4-Math-Science: Fun, Interactive Learning for Kids! Help your child succeed in Grade 4 with this comprehensive quiz app covering both Math and Science. Designed for young learners, this app makes mastering key concepts enjoyable and effective—at home, in class, or on the go. Key Features: Topic-Wise Quizzes: Practice math and science one topic at a time, helping children build confidence and master each subject area. Instant Feedback: Kids receive immediate feedback after every question, reinforcing learning and encouraging improvement. Progress Tracking: The Progress tab records scores and displays improvement over time, motivating kids to keep practicing. Pie chart makes it easy to see progress and achievements at a glance. Score Reset: Easily delete a topic’s score to retake quizzes and improve results. Offline Mode: Download topics and questions once, then enjoy full access to quizzes and features offline—no internet required! Child-Friendly Design: Simple, intuitive interface created for young learners, with no ads or unnecessary distractions. Why Choose Grade-4-Math-Science? Covers essential Grade 4 math and science topics, aligned with school curriculums. Perfect for daily practice, homework help, or classroom use. Safe, private, and distraction-free. How Offline Mode Works: After the first download of topics and questions, your child can use the app anywhere—even without an internet connection. Make learning a daily adventure! Download Grade-4-Math-Science now and give your child the tools to excel in math and science.

About

HT1000 GNSS Tutorial

Learn the pre-flight sequence for an ATR aircraft with a certified instructor. Explore advanced features like holds and alternates using a full-featured emulator.

Highlights
  • ATR pre-flight sequence tutorial
  • Full-featured emulator
  • Learn holds and alternates
  • Expert instruction
  • Hawaii flight route
Features
Read full description

NAFI Master CFI and former ATR check airman covers the entire pre-flight sequence of a flight from Honolulu to Hilo, Hawaii. Or put the tutorial aside and experiment with the full-featured emulator. Learn the corners that rarely get used: holds and alternates.

Screenshots

Grade 4 Math & Science4 screens

Verdict

The call

Grade 4 Math & Science and HT1000 GNSS Tutorial both sit at 5.0 stars, but that hides the real split: 100% of HT1000 GNSS Tutorial's written reviews are positive against 0% of Grade 4 Math & Science's. HT1000 GNSS Tutorial also leads on ratings volume (7 vs 2) and iOS requirement (16 vs 18.2). Grade 4 Math & Science's advantage is price ($1.99 vs $9.99). On rating, update cadence, ads and in-app purchases 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

Grade 4 Math & Science costs $1.99 and HT1000 GNSS Tutorial $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Grade 4 Math & Science against 5.0 for HT1000 GNSS Tutorial. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews are what separate them: 0% of Grade 4 Math & Science's written reviews are positive against 100% of HT1000 GNSS Tutorial's.

UpkeepUpdate frequency

Grade 4 Math & Science ships an update every 3 weeks, HT1000 GNSS Tutorial monthly. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

Scorecard4 real differences · 6 level
Grade 4 Math & Science versus HT1000 GNSS Tutorial: the parameters behind the verdict, then further details
ParameterGrade 4 Math & ScienceHT1000 GNSS Tutorial
Price$1.99 — better$9.99
Rating5.0 (2 ratings)5.0 (7 ratings)
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings27 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad — betteriPad
Requires iOS18.216 — better
Further details — not scored
Size2 MB2 MB
Age rating4+4+
DeveloperPrachi PimpalkhareTerence Way

Customer experience

Grade 4 Math & Science

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

HT1000 GNSS Tutorial

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Grade 4 Math & Science

No in-app purchases

None

HT1000 GNSS Tutorial

No in-app purchases

Questions

Is Grade 4 Math & Science free?
Grade 4 Math & Science costs $1.99, with no in-app purchases.
Is HT1000 GNSS Tutorial free?
HT1000 GNSS Tutorial costs $9.99, with no in-app purchases.
Which has better reviews, Grade 4 Math & Science or HT1000 GNSS Tutorial?
Grade 4 Math & Science and HT1000 GNSS Tutorial are both rated 5.0 out of 5 on the App Store, from 2 and 7 ratings respectively.
Do Grade 4 Math & Science or HT1000 GNSS Tutorial have ads?
Neither Grade 4 Math & Science nor HT1000 GNSS Tutorial shows ads.
Which is updated more often, Grade 4 Math & Science or HT1000 GNSS Tutorial?
Grade 4 Math & Science ships an update every 3 weeks, and HT1000 GNSS Tutorial monthly. Most recently, Grade 4 Math & Science was updated on September 19, 2026 and HT1000 GNSS Tutorial on September 14, 2026.

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