Comparison

Start Line App vs RPLab

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

Head to head
About

Start Line App

Features
Read full description

A simple app for the start of a race/training session. Really easy to use: - Set up the start intervals in settings - Press start First count down will be synchronized with the real time (on the minute).

About

RPLab

Read full description

RPLab is a precision race pace and split calculator built for paddlers and rowing athletes. Designed for kayak, canoe, dragon boat, SUP, and rowing, RPLab helps you turn boat speed into clear, actionable performance data. Whether you're preparing for sprint racing, interval training, or competition, RPLab delivers accurate pace calculations instantly. KEY FEATURES Speed Converter Convert boat speed (km/h) into exact race pace. Target Pace Converter Calculate the required speed to hit your target pace. Split Calculator Generate detailed split times for race execution and training. Supports 50m, 100m, 250m, and fully custom distances. BUILT FOR PERFORMANCE Developed from real-world coaching and elite racing experience, RPLab is designed for athletes who need precise and reliable data. SIMPLE. FAST. RELIABLE. • Works fully offline • No accounts required • No tracking or data collection Developed by Gergely Gyertyános World Champion & High Performance Coach

Screenshots

Start Line App3 screens
RPLab4 screens

Verdict

The call

The clearest difference is price: Start Line App at Free against RPLab's $4.99. Start Line App also leads on device support (3 vs 1). RPLab's advantage is update cadence (every 2 months vs every 27 months). On ads, in-app purchases and iOS requirement 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

Start Line App is free to download; RPLab costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Start Line App ships an update every 27 months, RPLab every 2 months. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 3 level
Start Line App versus RPLab: the parameters behind the verdict, then further details
ParameterStart Line AppRPLab
PriceFree — better$4.99
Update frequencyEvery 27 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.2
Further details — not scored
Size1 MB1 MB
Age rating4+4+
DeveloperInaki GomezGergely Gyertyanos

In-app purchases

None

Start Line App

No in-app purchases

None

RPLab

No in-app purchases

Questions

Is Start Line App free?
Start Line App is free to download, with no in-app purchases.
Is RPLab free?
RPLab costs $4.99, with no in-app purchases.
Do Start Line App or RPLab have ads?
Neither Start Line App nor RPLab shows ads.
Which is updated more often, Start Line App or RPLab?
Start Line App ships an update every 27 months, and RPLab every 2 months. Most recently, Start Line App was updated on September 22, 2026 and RPLab on September 21, 2026.

Other comparisons