Comparison

FastR vs Cuspart

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

Head to head
About

FastR

Measure your vehicle's acceleration performance with this app. It automatically tests 0-60 and quarter-mile times with millisecond accuracy. Compete with others on a real-time leaderboard and save results for different car models.

Highlights
  • Hands-free, automated acceleration testing
  • 0-60 and Quarter mile time measurement
  • Millisecond accuracy
  • Real-time user ranking
  • Save times for different car models
Features
Read full description

FastR is the #1 vehicle acceleration performance app in the game! Test your vehicle's 0-60 and Quarter mile times, in a hands-free, fully automated manner. You can also post your acceleration times to our leaderboard to earn bragging rights. - Features accuracy to the millisecond - Displays your rank amongst other users in real time - Lets you save acceleration times from different car models See how your vehicle's acceleration performance compares with others.

About

Cuspart

Features
Read full description

Turn your iPhone into a customizable GPS speedometer for everyday driving, performance testing, and clear real-time driving data. Cuspart: GPS combines live GPS speed tracking, automotive-inspired gauges, HUD mode, drive history, acceleration tests, and detailed trip records in one focused dashboard. LIVE GPS SPEEDOMETER • View your current GPS-based speed in km/h or mph • Monitor maximum speed, average speed, heading, distance, duration, and live telemetry • Choose from 26 automotive-inspired gauge designs • View your speed data alongside a live map • Enjoy smooth needle animations and clear digital readouts • Configure the dashboard around the information you want to see PERFORMANCE TESTING Measure acceleration and distance-based performance with built-in tests: • 0-60, 0-100, and 0-200 km/h • 60-100 and 100-200 km/h • 0-60, 0-100, and 0-130 mph • 40-60 and 60-130 mph • 100 m, 200 m, 400 m, and 1,000 m • 1/4 mile, 1/2 mile, and 1 mile Save completed results and review your recorded performance over time. DRIVE HISTORY Review your recorded drives with: • Route maps • Speed graphs • Distance and duration • Maximum and average speed • Saved acceleration results • Today, weekly, and all-time history filters • Detailed summaries for recorded sessions HUD MODE Switch to a clean, high-contrast heads-up display with a large live speed readout. Mirror or rotate the HUD to suit different mounting positions and windshield setups. CUSTOMIZE YOUR DASHBOARD Make Cuspart: GPS your own with: • 26 automotive-inspired gauge designs • Multiple needle styles • Customizable digital fonts • Light, dark, and system appearance modes • Customizable accent colors • Alternative app icons • Configurable gauge telemetry • Flexible dashboard layouts CUSPART: GPS+ Cuspart: GPS is free to use, and the core features are available without a subscription. Cuspart: GPS+ is an optional subscription that unlocks additional premium features and an ad-free experience while your subscription is active. Premium features include access to the full gauge collection, detailed speed charts, and additional dashboard customization options. Cuspart: GPS+ is available through monthly and yearly auto-renewable subscription plans. The subscription period and localized price are displayed in the app before purchase. Payment will be charged to your Apple Account when you confirm your purchase. Your subscription renews automatically unless canceled. You can manage or cancel your subscription in Settings > your name > Subscriptions. If you cancel, access to GPS+ features continues until the end of your current paid period. GPS ACCURACY & SAFETY Cuspart: GPS uses GPS and other available device location data to provide speed, distance, route, and performance information. Results may vary depending on your device, GPS signal quality, location, surroundings, and other conditions. Performance measurements are provided for general informational purposes and are not certified timing results. Set up the app and any performance test before you begin driving. Secure your iPhone appropriately, keep your attention on the road, follow local traffic laws, and never interact with the app while driving. Use acceleration and performance testing only in safe and lawful conditions. PRIVACY POLICY https://www.cuspart.com/cuspart-gps-privacy-policy/ TERMS OF USE https://www.cuspart.com/cuspart-gps-terms-of-use/

Screenshots

FastR4 screens
Cuspart4 screens

Verdict

The call

The clearest difference is price: FastR at Free against Cuspart's $0.99. FastR also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). On update cadence, 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

FastR is free to download; Cuspart costs $0.99 up front. FastR sells 2 one-off in-app purchases and Cuspart sells 11 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

FastR ships an update every 5 months, Cuspart every 3 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

Scorecard3 real differences · 7 level
FastR versus Cuspart: the parameters behind the verdict, then further details
ParameterFastRCuspart
PriceFree — better$0.99
Rating4.4 (319 ratings) — better—
Positive reviews37.5% of reviews—
Number of ratings319 — better—
Update frequencyEvery 5 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size20 MB112 MB
Age rating4+4+
DeveloperErhies FekarurhoboMustafa Tolga DALBUDAK

Bugs and requests

FastR

Reported bugs

10 issues
  • Network connection errors preventing vehicle selection
  • Facebook login buffering and not connecting
  • App fails to record and save acceleration times
  • GPS speed readings lag significantly behind actual speed
  • App crashes on launch or during use
Show 5 more
  • Settings not saving properly without login
  • Leaderboard functionality broken
  • App doesn't start recording until vehicle is already at speed
  • Inconsistent timing results on identical driving conditions
  • Loading screen stuck on 'select vehicle' with persistent network errors

Requested features

10 requests
  • GPS-based auto-start feature instead of manual start button
  • Audio cues for 'ready, set, go' countdown
  • Alternative login methods beyond Facebook
  • Save vehicle selection for future sessions
  • Support for multiple vehicles per account
Show 5 more
  • Social media sharing integration
  • In-app instructions and user guide
  • Add missing car models (Tesla Model Y, Russian models, high-spec variants)
  • Allow custom vehicle entry if model not found
  • Real-time sound feedback during acceleration test

Cuspart

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

FastR

One-time2
  • 10 Leaderboard Posts$3.99
  • Unlock 1/4 Mile Timing$5.99
11 purchases

Cuspart

Subscriptions4
  • 1-Month Subscription$0.991 Month
  • 1-Week Subscription$0.997 Days
  • 12-Month Subscription3 Days trial$9.991 Year
Show 1 more
  • 3-Month Subscription$9.993 Months
One-time7
  • Espresso$0.99
  • Flat White$1.99
  • Caffè Americano$2.99
Show 4 more
  • Caffè Mocha$3.99
  • Classic Hot Chocolate$3.99
  • Special Hot Chocolate$3.99
  • Upgrade to Pro$9.90

Questions

Is FastR free?
FastR is free to download, with in-app purchases available.
Is Cuspart free?
Cuspart costs $0.99, and also offers in-app purchases.
Do FastR or Cuspart have ads?
Cuspart shows ads; FastR does not.
Which is updated more often, FastR or Cuspart?
FastR ships an update every 5 months, and Cuspart every 3 months. Most recently, FastR was updated on October 24, 2026 and Cuspart on October 20, 2026.

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