Comparison

Block Trainer vs DefectiveTennis

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

Head to head
About

Block Trainer

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Block Trainer is a focused stacking trainer designed to help you improve decision-making, pattern recognition, and stacking efficiency at your own pace. There is no gravity in 40 Line Clear mode, giving you the time to think through each move. Study the board, plan ahead, and build better habits without pressure. Features: • No gravity in 40 Line Clear mode for thoughtful, pressure-free practice • Review Slowest 10 to identify your most time-consuming decisions • 62 training exercises with flashcard-style practice for modern rotation rules • Practice endless line clear chaining (REN) • Learn stacking tips and what dependencies to watch out for • Guided explanations for T-spins and other essential techniques • Play against a CPU with three difficulty levels • Learn how to make a heart shape • Track important stats like Lines Cleared and Play Time • Switch between two visual block styles Whether you’re learning the fundamentals or refining your efficiency, Block Trainer gives you a clear, structured way to study modern stacking.

About

DefectiveTennis

Features
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NO ADS DefectiveTennis brings fast, easy-to-play arcade tennis action to your device. Choose a solo match against the computer or play locally with two players on the same device. Move your paddle across the court, return incoming shots, keep the rally going, and look for the perfect angle to score. Simple controls make it easy to jump into a match, while quick reactions and smart positioning help you stay ahead as rallies speed up. FEATURES • Solo gameplay against the computer • Local two-player gameplay on one device • Fast arcade tennis action • Simple and responsive paddle controls • Quick matches • Adjustable points needed to win • Faster rallies as the match continues • Colorful tennis court presentation • Optional $1 Support Developer purchase • No account required • No internet required for gameplay • No ads The optional Support Developer purchase does not unlock content, remove restrictions, change gameplay, or provide any competitive advantage. Step onto the court, sharpen your timing, and see if you can win the match.

Screenshots

Block Trainer4 screens
DefectiveTennis3 screens

Verdict

The call

The clearest difference is update cadence: Block Trainer at weekly against DefectiveTennis's every 3 weeks. Block Trainer also leads on iOS requirement (12.0 vs 26.5). On price, 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

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

UpkeepUpdate frequency

Block Trainer ships an update weekly, DefectiveTennis every 3 weeks. Both last shipped on October 31, 2026.

Scorecard2 real differences · 4 level
Block Trainer versus DefectiveTennis: the parameters behind the verdict, then further details
ParameterBlock TrainerDefectiveTennis
PriceFreeFree
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPod — betteriPhone
Requires iOS12.0 — better26.5
Further details — not scored
Size145 MB1 MB
Age rating4+4+
DeveloperNathaniel Garrett DavisDefectiveRobot LLC

In-app purchases

None

Block Trainer

No in-app purchases

None

DefectiveTennis

No in-app purchases

Questions

Is Block Trainer free?
Block Trainer is free to download, with no in-app purchases.
Is DefectiveTennis free?
DefectiveTennis is free to download, with no in-app purchases.
Do Block Trainer or DefectiveTennis have ads?
Neither Block Trainer nor DefectiveTennis shows ads.
Which is updated more often, Block Trainer or DefectiveTennis?
Block Trainer ships an update weekly, and DefectiveTennis every 3 weeks. Most recently, Block Trainer was updated on October 31, 2026 and DefectiveTennis on October 31, 2026.

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