Comparison

QMD4 Stroke Trainer/Analyzer vs APPA

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

Head to head
About

QMD4 Stroke Trainer/Analyzer

This app analyzes your billiards stroke using a Bluetooth-enabled device attached to your cue. It provides detailed 3D stroke information, playback, velocity charts, and instant audible alerts to help you identify and fix flaws.

Highlights
  • Bluetooth cue attachment
  • 3D stroke data transmission
  • Automatic shot recording/playback
  • Stroke velocity chart
  • Cue tip view
  • Audible 'as you stroke' alerts
  • Comprehensive practice metrics
Features
Read full description

The QMD4 Billiards Stroke Trainer/Analyzer is an innovative billiards training aid designed to help you find and fix the flaws in your pool stroke. A new way to practice, let QMD4's precision and accuracy take your game to the next level. The highly sensitive QMD4 Bluetooth enabled device is attached to your pool cue and transmits detailed 3-D information about your stroke to the free QMD4 app on your iPhone or iPad. QMD4 features automatic shot recording/playback with a stroke velocity chart and cue tip view. Instant, audible 'as you stroke' alerts pinpoint problem areas in your stroke. Comprehensive metrics are generated for each practice shot allowing in-depth analysis to identify flaws, tendencies and to compare your progress with prior practice sessions. The QMD4 is the forth generation of QMD Stroke Trainers with improved hardware and software features. The QMD4 device may be ordered from www.theQMD.com.

About

APPA

Features
Read full description

APPA Rate provides Ranking Features and Handicap Rates for Registered APPA-Rate Subscribers. This allows Tournament Organisers and League Operators, the opportunity to Rank their playing members, as well as open tournament fields up to a wider range of players, while also offering a fair and calculated handicapping system to provide a fair, honest and balanced playing field for every entrant in the tournament. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://apparate.asia/privacy/

Screenshots

QMD4 Stroke Trainer/Analyzer4 screens
APPA4 screens

Verdict

The call

The clearest difference is in-app purchases: QMD4 Stroke Trainer/Analyzer at none against APPA's 2. QMD4 Stroke Trainer/Analyzer also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). APPA's advantage is update cadence (monthly vs every 2 months). On price 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. APPA sells 2 in-app purchases, starting at $20.99 per 6 months. QMD4 Stroke Trainer/Analyzer asks for nothing beyond the download.

UpkeepUpdate frequency

QMD4 Stroke Trainer/Analyzer ships an update every 2 months, APPA monthly. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
QMD4 Stroke Trainer/Analyzer versus APPA: the parameters behind the verdict, then further details
ParameterQMD4 Stroke Trainer/AnalyzerAPPA
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size10 MB44 MB
Age rating4+17+
DeveloperMosens LLCCreative Sports Gymnastics And Services Trading Company Limited

In-app purchases

None

QMD4 Stroke Trainer/Analyzer

No in-app purchases

2 purchases

APPA

Subscriptions2
  • APPA-Rate Membership 6 months$20.996 Months
  • APPA-Rate Membership 12 months$35.991 Year

Questions

Is QMD4 Stroke Trainer/Analyzer free?
QMD4 Stroke Trainer/Analyzer is free to download, with no in-app purchases.
Is APPA free?
APPA is free to download, with in-app purchases available.
Do QMD4 Stroke Trainer/Analyzer or APPA have ads?
APPA shows ads; QMD4 Stroke Trainer/Analyzer does not.
Which is updated more often, QMD4 Stroke Trainer/Analyzer or APPA?
QMD4 Stroke Trainer/Analyzer ships an update every 2 months, and APPA monthly. Most recently, QMD4 Stroke Trainer/Analyzer was updated on October 14, 2026 and APPA on October 6, 2026.

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