Comparison

Jumpster vs PurpleShift

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

Head to head
About

Jumpster

Measure your vertical jump height accurately using your phone's sensors. Track your progress with personal records and session charts. Unlock advanced features like ad-free experience and data export with a pro upgrade.

Highlights
  • Measure jump height from pocket
  • Reads jump height aloud
  • Personal best records
  • Progress charts
  • Detailed jump history
  • Export jump data
Features
Read full description

How high can you jump? Simply put Jumpster in your pocket and jump to find out! FEATURES - Know how high you've jumped without taking Jumpster out of your pocket! Jumpster reads the height of each jump aloud for you. - Keep track of your best jumps with personal records. - See your progress with a chart of your recent sessions. PRO FEATURES - Ad-free experience. - View a detailed history of all of your jumps and jump sessions. - Delete jumps or jump sessions. - Export all of your jump data for analysis. HOW IT WORKS - Jumpster uses the sensors in your device to calculate the most accurate height estimate possible for each jump.

About

PurpleShift

This app uses AI to analyze athletic movements, turning your phone into a biomechanics lab. It provides detailed scores and insights into performance categories like takeoff symmetry and explosive timing, helping athletes and coaches improve. Offers a free option with ads or a premium subscription for unlimited ad-free analysis.

Highlights
  • AI-driven vertical jump analysis
  • Form score analysis across 7 categories
  • Potential tab with perfect form calculator
  • Professional video tools (protractor, scrubber)
  • Smart athlete management (FaceID, multi-athlete)
  • Data export for coaching analysis
Features
Read full description

PurpleShift turns your phone into an AI testing lab. Measure your body, time your sprints and track your vertical, then prove it with verified results that coaches and scouts can find. DON'T JUST MEASURE. SCAN IT. Skip the tape measure. PurpleShift's AI Body Scan reads your height, wingspan and hand size from your phone's camera, and shows how confident the AI is in every reading. DON'T JUST TIME IT. BREAK IT DOWN. A stopwatch gives you one number. PurpleShift gives you the whole run, with no timing gates needed. Set your phone up at the side of the field and the AI does the rest. • Start mode measures acceleration from a standing start • Fly mode measures top-end speed from marker to marker • See your time, speed, splits, velocity curve and stride-by-stride breakdown DON'T JUST JUMP. FIX YOUR FORM. A jump test tells you how high you went. PurpleShift also tells you why. Record a standing or approach jump and get your jump height, air time and a form score, plus the extra inches better form could add. GET VERIFIED. GET RANKED. Verified results go on live PurpleShift leaderboards. Filter the rankings by test, camp or athlete and see where you stand: overall, in the 40-yard dash, the 10-yard dash, the 5-10-5 agility shuttle and more. GET SEEN WORLDWIDE Your highlights and verified results show up on the PurpleShift world map, where scouts and coaches explore athletes by location, name, result and score. SHARE YOUR RESULTS Turn any result into a branded, shareable card with your numbers, video and AI metrics, ready for your profile and social. BUILT FOR COACHES & ORGS PurpleShift Flagship gives teams, schools and programs one place to manage their athletes. • Add athletes by pasting emails, uploading a CSV or searching PurpleShift • Track who has tested and who hasn't, and invite the rest to test • Save invite lists and email athletes straight from the app FILTER. SORT. EVALUATE. The Scout Board ranks your roster by verified results, with each athlete's height, weight, position, class and school in one view. Filter and sort to find the right athletes fast.

Screenshots

Jumpster4 screens
PurpleShift4 screens

Verdict

The call

The clearest difference is update cadence: PurpleShift at weekly against Jumpster's every 3 weeks. On price, rating, review sentiment and ratings volume 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. Jumpster sells 1 one-off in-app purchase and PurpleShift sells 15 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Jumpster against 4.8 for PurpleShift. Both are backed by a comparable volume of ratings — 6 and 10 respectively. Written reviews are what separate them: 55% of Jumpster's written reviews are positive against 50% of PurpleShift's.

UpkeepUpdate frequency

Jumpster ships an update every 3 weeks, PurpleShift weekly. Both last shipped on October 24, 2026.

Scorecard1 real difference · 9 level
Jumpster versus PurpleShift: the parameters behind the verdict, then further details
ParameterJumpsterPurpleShift
PriceFreeFree
Rating4.8 (6 ratings) — better4.8 (10 ratings)
Positive reviews54.5% of reviews — better50.0% of reviews
Number of ratings610 — better
Update frequencyEvery 3 weeksWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.0.0
Further details — not scored
Size4 MB595 MB
Age rating4+4+
DeveloperSkyhawk Media LLCPURPLESHIFT LLC

Customer experience

Jumpster

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive54.5%
Neutral9.1%
Negative36.4%

PurpleShift

All ratings10 ratings
Positive90.0%
Neutral10.0%
Negative0.0%
Written reviews6 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

In-app purchases

1 purchases

Jumpster

One-time1
  • Jumpster Pro$4.99
15 purchases

PurpleShift

Subscriptions6
  • Tier 1 Monthly$9.991 Month
  • Tier 2 Monthly Subscription$39.991 Month
  • Tier 3 Monthly Subscription$49.991 Month
Show 3 more
  • Tier 1 Yearly Subscription$109.991 Year
  • Tier 2 Yearly Subscription$459.991 Year
  • Tier 3 Yearly Subscription$579.991 Year
One-time9
  • Expedite Verification$0.99
  • Single PurpleShift Lab Coin$1.99
  • Single Verification Coins$4.99
Show 6 more
  • 10 Pack PurpleShift Lab$9.99
  • Unlimited Verifications Weekly$19.99
  • Unlimited Sprint Coins WK$24.99
  • 10 Pack Verification Coins$39.99
  • Unlimited Verification Monthly$49.99
  • Unlimited Sprint Coins Monthly$59.99

Questions

Is Jumpster free?
Jumpster is free to download, with in-app purchases available.
Is PurpleShift free?
PurpleShift is free to download, with in-app purchases available.
Which has better reviews, Jumpster or PurpleShift?
Jumpster is rated higher. Jumpster averages 4.8 out of 5 from 6 ratings, while PurpleShift averages 4.8 from 10 ratings.
Do Jumpster or PurpleShift have ads?
Both Jumpster and PurpleShift show ads.
Which is updated more often, Jumpster or PurpleShift?
Jumpster ships an update every 3 weeks, and PurpleShift weekly. Most recently, Jumpster was updated on October 24, 2026 and PurpleShift on October 24, 2026.

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