Comparison

TT Math 4 vs Ocean Alliance Project

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

Head to head
About

TT Math 4

This educational app provides interactive math lessons and practice problems for 4th graders. It offers automated grading, step-by-step explanations, and parental controls for progress tracking. The app allows for offline use of up to six lessons, making it ideal for on-the-go learning.

Highlights
  • 119 audiovisual lectures
  • Thousands of practice problems
  • Automated grading
  • Step-by-step audiovisual explanations
  • Parental progress tracking
  • Offline lesson access (up to 6)
Read full description

The Teaching Textbooks Math 4 app makes your TT course even better! Not only will your student enjoy math while learning independently, but, with the app, that learning can also take place on the go. Even when offline! Specifically, the app can be used offline for up to 6 lessons at a time. That makes it perfect for homeschool parents who need their kids to stay productive while the family is out and about during the day. The app’s other features include… • 119 audiovisual lectures that teach every core concept in the standard 4th grade curriculum • thousands of problems that give students all the practice they need to master each concept • automated grading and instant feedback for every single problem • step-by-step audiovisual explanations to every single problem so students can see exactly what they did wrong when mistakes are made (This makes the program feel as if a tutor is at the student’s side!) • parental controls that let you track your student’s progress • the digitized version of the printed Teaching Textbooks Math 4 textbook (with a search feature and a hyper-linked index) • no advertising or in-app purchase offers • Internet connectivity is required, but you can remain offline for up to 6 lessons.

About

Ocean Alliance Project

Features
Read full description

Ocean Alliance brings Hawai'i's marine conservation effort to your pocket. Whether you're snorkeling at a local reef or diving with a research team, you can contribute real field data that shapes how we protect the ocean. EXPLORE Open the map to see turtle sighting locations and ecological monitoring sites across Hawai'i's coastline. Tap any site to browse the latest sightings and survey data submitted by volunteers and researchers in the field. TURTLE SIGHTINGS Spotted a sea turtle? Submit a sighting in seconds — add a photo, GPS coordinates, and observation notes. Your record goes into a growing catalog of identified individuals, helping researchers track population health and movement patterns over time. REEF MONITORING Run standardized ecological surveys directly from the water's edge. Indicator species protocols cover invertebrates, chordates, and coral health. Species inventory surveys let you record any observed species at a site. All data syncs to the Ocean Alliance database for long-term trend analysis. GET INVOLVED Browse upcoming field events, explore the learning hub to build your reef knowledge, and find field training resources to improve your data quality. Discover immersive conservation programs and request workshops for your group. FOR FIELD TEAMS Authorized researchers and dive staff can log dives, access reports, and manage the sighting review queue — all protected behind secure sign-in. Ocean Alliance Project is a nonprofit marine conservation organization based in Hawai'i dedicated to reef monitoring, sea turtle research, and community science.

Screenshots

TT Math 44 screens
Ocean Alliance Project4 screens

Verdict

The call

The clearest difference is device support: TT Math 4 at 4 against Ocean Alliance Project's 1. TT Math 4 also leads on iOS requirement (12.0 vs 17.0). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

TT Math 4 ships an update every 2 months, Ocean Alliance Project monthly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
TT Math 4 versus Ocean Alliance Project: the parameters behind the verdict, then further details
ParameterTT Math 4Ocean Alliance Project
PriceFreeFree
Rating3.6 (103 ratings) — better—
Positive reviews37.3% of reviews—
Number of ratings103 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS12.0 — better17.0
Further details — not scored
Size110 MB326 MB
Age rating4+4+
DeveloperTeaching Textbooks, Inc.Ocean Alliance Project

Bugs and requests

TT Math 4

Reported bugs

17 issues
  • Update won't save answers
  • App closes itself out
  • Problems with the scratchpad/scrolling
  • Missing letters when typing passwords
  • App freezes when downloading lesson content
Show 12 more
  • App crashes frequently
  • App lags frequently
  • App is slow
  • App freezes
  • App glitches
  • Cannot print lessons or grade books from the app
  • Does not let you log in
  • Answers are marked wrong when they are correct
  • Inputting answers is incorrect (e.g., 140 shows as 14)
  • One wrong answer makes the whole thing wrong
  • Cannot use the keyboard to input answers
  • Laggy math4

Requested features

6 requests
  • Make it more fun
  • Only have a lecture, then go straight to problems
  • Allow keyboard use on iPad
  • Make it harder for advanced students
  • Remove discouraging phrases like 'you are officially amazing'
Show 1 more
  • Give a second chance on multiple choice problems

Ocean Alliance Project

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

TT Math 4

No in-app purchases

None

Ocean Alliance Project

No in-app purchases

Questions

Is TT Math 4 free?
TT Math 4 is free to download, with no in-app purchases.
Is Ocean Alliance Project free?
Ocean Alliance Project is free to download, with no in-app purchases.
Do TT Math 4 or Ocean Alliance Project have ads?
Neither TT Math 4 nor Ocean Alliance Project shows ads.
Which is updated more often, TT Math 4 or Ocean Alliance Project?
TT Math 4 ships an update every 2 months, and Ocean Alliance Project monthly. Most recently, TT Math 4 was updated on October 27, 2026 and Ocean Alliance Project on October 24, 2026.

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