Comparison

MATHCOUNTS Trainer vs OTG Play Shift

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

Head to head
About

MATHCOUNTS Trainer

Prepare for MATHCOUNTS competitions with thousands of practice problems from past events. Learn from detailed solutions, track your progress, and compete with others on the leaderboard. This free tool is designed for aspiring mathletes of all skill levels.

Highlights
  • Thousands of practice problems
  • Problems from past competitions
  • Full solutions provided
  • Progress tracking
  • Leaderboard competition
  • Practice for all levels
Features
Read full description

Train your way to Nationals with the free MATHCOUNTS Trainer presented by Art of Problem Solving! With thousands of problems from previous School, Chapter, State, and National MATHCOUNTS competitions, the Trainer is great practice for aspiring MATHCOUNTS Mathletes of all levels. Full solutions are provided for every problem so players can learn how to approach even the toughest questions. Track your progress, compete against others, and see if you can climb to the top of the Leaderboard on the new MATHCOUNTS Trainer today! MATHCOUNTS Trainer only supports Guest mode on iOS. Play online at aops.com/mc for the full training experience. MATHCOUNTS® and Mathlete® are registered trademarks of the MATHCOUNTS Foundation.

About

OTG Play Shift

This app uses engaging, game-based activities to help children develop crucial visual and executive functioning skills. It supports cognitive development through exercises targeting visual tracking, attention, planning, and problem-solving, also aiding speech and language development.

Highlights
  • Interactive visual perception exercises
  • Games for planning and sequencing
  • Activities for speech and language development
  • Structured gameplay for therapeutic goals
  • Visual skills training
  • Executive functioning development
Features
Read full description

OTG (Occupational Therapy Games) is an engaging, interactive app designed to help children build essential visual and executive functioning skills—the foundation for strong cognitive development. Through structured, game-based activities, OTG supports the development of: - Visual tracking and visual discrimination - Attention and focus - Planning and sequencing - Problem-solving and working memory OTG also includes activities that support speech and language development, making it a versatile tool for occupational therapists, speech-language pathologists, educators, and parents. Key Features - Interactive exercises targeting visual perception and visual-motor integration - Games designed to strengthen planning, sequencing, and working memory - Activities that support speech, language, and communication development - Structured gameplay aligned with therapeutic and educational goals Game Categories Visual Skills - Left and Right Recognition - Letter Reversal - Shape Finder - Seek and Find Executive Functioning - Concentration - Sequencing - Pattern Coding - Time Teacher Early Literacy - Connect the Dots - Picture Spelling Sequence - Missing Letter - Color by Letter

Screenshots

MATHCOUNTS Trainer4 screens
OTG Play Shift3 screens

Verdict

The call

The clearest difference is price: MATHCOUNTS Trainer at Free against OTG Play Shift's $4.99. MATHCOUNTS Trainer also leads on ratings volume (102 vs 20) and iOS requirement (12.0 vs 15.0). OTG Play Shift's advantage is rating (5.0 vs 4.2) and review sentiment (100% vs 71%). On ads, in-app purchases and device support 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

MATHCOUNTS Trainer is free to download; OTG Play Shift costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

OTG Play Shift holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: MATHCOUNTS Trainer has 102 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 71% of MATHCOUNTS Trainer's written reviews are positive against 100% of OTG Play Shift's.

UpkeepUpdate frequency

MATHCOUNTS Trainer ships an update every 3 months, OTG Play Shift every 6 weeks. The most recent releases landed on September 14, 2026 and September 18, 2026 respectively.

Scorecard7 real differences · 3 level
MATHCOUNTS Trainer versus OTG Play Shift: the parameters behind the verdict, then further details
ParameterMATHCOUNTS TrainerOTG Play Shift
PriceFree — better$4.99
Rating4.2 (102 ratings)5.0 (20 ratings) — better
Positive reviews70.7% of reviews100.0% of reviews — better
Number of ratings102 — better20
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size37 MB557 MB
Age rating4+4+
DeveloperArt of Problem SolvingIan Larsen

Customer experience

MATHCOUNTS Trainer

All ratings102 ratings
Positive80.4%
Neutral2.0%
Negative17.6%
Written reviews41 reviews
Positive70.7%
Neutral4.9%
Negative24.4%

OTG Play Shift

Written reviews17 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MATHCOUNTS Trainer

No in-app purchases

None

OTG Play Shift

No in-app purchases

Questions

Is MATHCOUNTS Trainer free?
MATHCOUNTS Trainer is free to download, with no in-app purchases.
Is OTG Play Shift free?
OTG Play Shift costs $4.99, with no in-app purchases.
Which has better reviews, MATHCOUNTS Trainer or OTG Play Shift?
OTG Play Shift is rated higher. MATHCOUNTS Trainer averages 4.2 out of 5 from 102 ratings, while OTG Play Shift averages 5.0 from 20 ratings.
Do MATHCOUNTS Trainer or OTG Play Shift have ads?
Neither MATHCOUNTS Trainer nor OTG Play Shift shows ads.
Which is updated more often, MATHCOUNTS Trainer or OTG Play Shift?
MATHCOUNTS Trainer ships an update every 3 months, and OTG Play Shift every 6 weeks. Most recently, MATHCOUNTS Trainer was updated on September 14, 2026 and OTG Play Shift on September 18, 2026.

Other comparisons