Comparison

Terrific Triangle vs Rocket Math Online Tutor

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

Head to head
About

Terrific Triangle

Practice math fact families for addition, subtraction, multiplication, and division. This educational tool offers individual fact practice with a score and adjustable difficulty, including an optional timer. It's a free, ad-free way to master number relationships.

Highlights
  • Fact family practice
  • Addition/subtraction drills
  • Multiplication/division drills
  • Adjustable difficulty
  • Optional timer
  • Running score
Features
Read full description

A math facts drill-and-practice program that teaches fact families for both addition/subtraction and multiplication/division. Terrific Triangle allows individual facts practice with a running score for correct answers. The player may select a difficulty level and whether to play against a timer. The triangle presents two parts of a fact family and the player must determine the missing third part. The sum and product always appear at the top of the triangle. The addends and factors always go in the two lower corners. This app contains no ads or links to social media. Just FREE.

About

Rocket Math Online Tutor

This program helps students master essential math facts, including addition, subtraction, multiplication, division, and fractions. It uses an online tutor with programmed feedback for a few minutes of daily practice to improve math success.

Highlights
  • Teaches addition, subtraction, multiplication, division
  • Covers fractions
  • Focuses on math facts
  • Online tutor with programmed feedback
  • Daily practice sessions
Features
Read full description

Rocket Math is a supplemental learning program that teaches students addition, subtraction, multiplication, division, and fractions. Specifically, the program teaches math facts–the basic building blocks of all math. Students learn using an Online Tutor with programmed feedback. It only takes a few minutes a day and can greatly increase your child’s success with math.

Screenshots

Terrific Triangle4 screens
Rocket Math Online Tutor4 screens

Verdict

The call

The clearest difference is review sentiment: Terrific Triangle at 67% against Rocket Math Online Tutor's 19%. Terrific Triangle also leads on rating (4.0 vs 2.8). Rocket Math Online Tutor's advantage is update cadence (every 2 months vs every 10 months) and ratings volume (84 vs 5). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Terrific Triangle holds the better App Store score, 4.0 against 2.8. That said, the two scores are not equally well evidenced: Rocket Math Online Tutor has 84 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 67% of Terrific Triangle's written reviews are positive against 19% of Rocket Math Online Tutor's.

UpkeepUpdate frequency

Terrific Triangle ships an update every 10 months, Rocket Math Online Tutor every 2 months. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 6 level
Terrific Triangle versus Rocket Math Online Tutor: the parameters behind the verdict, then further details
ParameterTerrific TriangleRocket Math Online Tutor
PriceFreeFree
Rating4.0 (5 ratings) — better2.8 (84 ratings)
Positive reviews66.7% of reviews — better19.1% of reviews
Number of ratings584 — better
Update frequencyEvery 10 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0.012.0
Further details — not scored
Size32 MB179 MB
Age rating4+4+
DeveloperElementary SoftwareRocket Math, LLC

Customer experience

Terrific Triangle

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Rocket Math Online Tutor

All ratings84 ratings
Positive44.0%
Neutral1.2%
Negative54.8%
Written reviews47 reviews
Positive19.1%
Neutral2.1%
Negative78.7%

Bugs and requests

Terrific Triangle

Not enough reviews yet to summarise bugs or requests.

Rocket Math Online Tutor

Reported bugs

4 issues
  • App won't open after download
  • Extremely glitchy
  • Crashes a lot
  • Bad detection of finger

Requested features

13 requests
  • Add a pause button
  • Test to see math level
  • Add a helping chart
  • Extra time button
  • Level up after 1 minute races
Show 8 more
  • Make talking man speak faster
  • Make voice less annoying
  • Add a tutorial
  • Add more content to learn
  • Allow all letters in one day
  • Make it less stressful
  • Show answers with no audio on races
  • More chances (e.g., 5 x's)

In-app purchases

None

Terrific Triangle

No in-app purchases

None

Rocket Math Online Tutor

No in-app purchases

Questions

Is Terrific Triangle free?
Terrific Triangle is free to download, with no in-app purchases.
Is Rocket Math Online Tutor free?
Rocket Math Online Tutor is free to download, with no in-app purchases.
Which has better reviews, Terrific Triangle or Rocket Math Online Tutor?
Terrific Triangle is rated higher. Terrific Triangle averages 4.0 out of 5 from 5 ratings, while Rocket Math Online Tutor averages 2.8 from 84 ratings.
Do Terrific Triangle or Rocket Math Online Tutor have ads?
Neither Terrific Triangle nor Rocket Math Online Tutor shows ads.
Which is updated more often, Terrific Triangle or Rocket Math Online Tutor?
Terrific Triangle ships an update every 10 months, and Rocket Math Online Tutor every 2 months. Most recently, Terrific Triangle was updated on October 1, 2026 and Rocket Math Online Tutor on October 16, 2026.

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