Comparison

RC Speed Calculator Pro vs Powerband Precision

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

Head to head
About

RC Speed Calculator Pro

Estimate your RC car's top speed by inputting details about its gearing, motor, and batteries. Record your estimates and actual speeds to compare different setups.

Highlights
  • Estimate RC car top speed
  • Input gearing, motor, and battery info
  • Record speed estimates
  • Log actual top speeds
  • Compare different car setups
  • Pre-filled car data
Features
Read full description

Also try RC Speed Run to log and share your fastest runs! https://www.sodialed.com/apps/rc-speed-run Quickly and easily get an estimate for your RC car's top speed with RC Speed Calculator Pro! Just tell us which car you have, enter some info about your gearing, motor and batteries, and we'll do the rest. Record your estimates to compare different car setups, and if you have a speed gun, you can record your actual top speed along with the estimate. Info you'll need: - Pinion gear teeth - Battery cells (or voltage) - Motor Kv rating - Tire diameter (we can fill this in based on your car type) Info we probably have already based on your car: - Spur gear teeth - Transmission ratio Please note, our top speed estimates are just that - estimates! We use a formula that works in theory (in perfect, not real-world conditions), but every car and all driving conditions are different, so expect some variation from real measured speeds.

About

Powerband Precision

Master nitro R/C engine tuning with this app. It offers real engine sound recordings for comparison, diagnostic tools for common problems, and step-by-step guides for break-in and carburetor tuning. Access factory engine recommendations and log your tuning sessions for future reference.

Highlights
  • Real engine sound library
  • Engine diagnostics and troubleshooting
  • Break-in and carburetor tuning guides
  • Factory engine reference data
  • Tuning logs
  • Nitro glossary
Features
Read full description

Stop guessing. Start tuning with confidence. Powerband Precision is the ultimate engine tuning and diagnostics app for nitro R/C enthusiasts. Whether you're breaking in a brand-new engine, dialing in the perfect carburetor tune, or troubleshooting a difficult engine problem, this app puts years of tuning experience right in your pocket. One of its most unique features is a library of real engine sound recordings, allowing you to hear exactly what a properly tuned, rich, or lean engine sounds like on each carburetor circuit. Compare your engine to real examples and tune with confidence—not guesswork. Features Real Engine Sound Library Listen to actual engine recordings of rich, lean, and properly tuned conditions for the idle, low-speed, and high-speed circuits. Record and save your own engine sounds to build a personalized tuning library. Engine Diagnostics Quickly diagnose common problems including overheating, flameouts, high idle, bogging, four-stroking, poor acceleration, inconsistent tuning, and more. Each symptom includes likely causes and recommended solutions. Break-In & Carburetor Tuning Guides Follow proven, step-by-step procedures for engine break-in and carburetor tuning. Learn safe tuning practices by adjusting from rich toward lean while maximizing reliability and performance. Factory Engine Reference Search factory baseline High-Speed Needle (HSN), Low-Speed Needle (LSN), mixture valve, and glow plug recommendations for 65+ popular nitro R/C engines, with additional engines added every month. Tuning Logs Save engine profiles, weather conditions, fuel, glow plugs, temperatures, and needle settings so you can quickly return to a successful tune at future race days. Nitro Glossary Learn common nitro engine terminology, abbreviations, and tuning concepts in one convenient reference. Monthly Updates Powerband Precision continues to grow with monthly updates, including: • New engine reference data • Expanded diagnostics • Additional troubleshooting information • New educational content • Ongoing improvements and features Whether you race on-road, off-road, or simply enjoy getting the most from your nitro engine, Powerband Precision is designed to help you tune faster, diagnose problems more accurately, improve reliability, and spend more time driving instead of troubleshooting. Hear your engine. Understand your tune. Race with confidence. From the developer: I'm Lucas, the developer behind Powerband Precision. I got my first 1/8 scale GP car at 13 years old- the excitement had me partying like it was 1999 (but this actually WAS year 1999). From there it took me years and years of trial and error to finally feel I could tune my engine-no internet or RC forums to ask questions, no YouTube to watch for tips and pointers. I built this app because I know what a pain tuning can be and how it could push someone to feel like they want to quit the hobby. Knowing why an engine is making the sound that it's making can make tuning a walk in the park. Through my website, I receive engines from around the U.S. for break-in, rebuild, troubleshooting, etc. Any engine that receives a tune, I log it into the app which anyone can see that has the app installed on their device. Although a tune is more so engine/local conditions specific, the final outcome is always relatively close, making logs a great reference tool. Every engine baseline comes from the manufacturer's instruction manual or deep research and matching to other engines. Sounds have been recorded from my personal vehicles/engines while on a dyno , and all the diagnostic/troubleshooting issues I have experienced myself or have watched them happen. Thank you!

Screenshots

RC Speed Calculator Pro3 screens
Powerband Precision4 screens

Verdict

The call

The clearest difference is price: RC Speed Calculator Pro at Free against Powerband Precision's $1.99. RC Speed Calculator Pro also leads on ratings volume (23 vs 2). Powerband Precision's advantage is update cadence (every 2 days vs fortnightly) and iOS requirement (15.1 vs 17.0). On rating, review sentiment, ads and in-app purchases 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

RC Speed Calculator Pro is free to download; Powerband Precision costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for RC Speed Calculator Pro against 5.0 for Powerband Precision. That said, the two scores are not equally well evidenced: RC Speed Calculator Pro has 23 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

RC Speed Calculator Pro ships an update fortnightly, Powerband Precision every 2 days. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
RC Speed Calculator Pro versus Powerband Precision: the parameters behind the verdict, then further details
ParameterRC Speed Calculator ProPowerband Precision
PriceFree — better$1.99
Rating4.9 (23 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings23 — better2
Update frequencyFortnightlyEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size160 MB35 MB
Age rating4+4+
DeveloperDegree3, Inc.Lucas Milton

Customer experience

RC Speed Calculator Pro

All ratings23 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Powerband Precision

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

RC Speed Calculator Pro

No in-app purchases

None

Powerband Precision

No in-app purchases

Questions

Is RC Speed Calculator Pro free?
RC Speed Calculator Pro is free to download, with no in-app purchases.
Is Powerband Precision free?
Powerband Precision costs $1.99, with no in-app purchases.
Which has better reviews, RC Speed Calculator Pro or Powerband Precision?
Powerband Precision is rated higher. RC Speed Calculator Pro averages 4.9 out of 5 from 23 ratings, while Powerband Precision averages 5.0 from 2 ratings.
Do RC Speed Calculator Pro or Powerband Precision have ads?
Neither RC Speed Calculator Pro nor Powerband Precision shows ads.
Which is updated more often, RC Speed Calculator Pro or Powerband Precision?
RC Speed Calculator Pro ships an update fortnightly, and Powerband Precision every 2 days. Most recently, RC Speed Calculator Pro was updated on October 5, 2026 and Powerband Precision on October 13, 2026.

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