Best slow motion analysis apps on Android, 2026

TL;DR. "Slow motion analysis app" hides three different tools: capture apps that make sure you have the moment (ReplayR), analysis apps that let you draw on it (OnForm), and delay apps that replay every rep automatically (BaM Video Delay on iOS, ReplayR Pro's delayed preview on Android). One number drives all of them: slow-motion smoothness equals capture frame rate times playback speed, so 60 fps is the floor for clean half-speed review and 120 fps for quarter speed. Pick by job, and pair a capture app with an analysis app if you do both.

The shortlist

1. ReplayR, best for capturing and reviewing on the spot

Rolling buffer (45 s free, up to 12 min Pro), save after the moment by phone, Wear OS watch, or open-palm gesture, then trim and play at 0.5× or slower right on the court. Pro adds an Analyze player: single-frame stepping, 0.1× playback, single-frame export, and drawing on a frame. Pro also runs a delayed preview: the camera screen plays back 5, 10, 15 or 30 seconds late while recording continues, which covers the drill-station job below without a second device. Fully offline, no account, clips stay on-device. Free with a one-time Pro unlock. No side-by-side comparison or voice-over, by design. Android and Wear OS.

2. OnForm, best for drawing and remote coaching

The analysis platform that absorbed Hudl Technique's users: telestration, frame stepping, side-by-side comparison, voice-over, coach-athlete threads. Subscription, billed monthly for individuals, with higher coach tiers. Record-then-analyse; needs an account. See ReplayR vs OnForm.

3. BaM Video Delay, iOS only, for self-serve drill stations

Continuous delayed feed, 1 second to 6 minutes of lag, up to 4 views, slow motion and pause on the feed. Every rep replays automatically with nobody touching anything; nothing is kept by default. iOS only, and unchanged for years: it is still on sale on the App Store but there is no Android build, so on Android the delayed-station job falls to a rolling-buffer app that also leaves you with clips. See ReplayR vs BaM Video Delay.

4. Built-in phone slow-mo, best for occasional clips

Free, offline, already installed, and the sensor's high-fps modes are excellent. But there is no buffer (you must anticipate the moment), no hands-free trigger, and no coaching review flow. Fine for one swing at the range; wrong tool for a session.

5. V1 Sports, best for golf lesson businesses

Golf and racket focused analysis with lesson management and student messaging, subscription-based and analysis-led. Overkill for sideline replay, strong for a teaching-pro workflow built around filmed lessons.

At a glance

App	Model	Slow motion	Offline / no account	Pricing
ReplayR	Rolling buffer + triggered save	To 0.1× + frame stepping + trim	Yes / yes	Free + pay-once Pro
OnForm	Record, then analyse	Frame stepping + drawing	Cloud, account required	Subscription
BaM Video Delay (iOS only)	Continuous delayed feed	On the feed	Yes / yes	Paid app, no Android build
Built-in camera	Manual record	High-fps burst modes	Yes / yes	Free
V1 Sports	Lesson platform	Analysis suite	Cloud, account required	Subscription

OnForm pricing per onform.com/pricing. Store prices vary by region and promotion. Last verified 2026-07-19.

What frame rate do you need for slow motion?

Whichever app you choose, slow motion quality is decided at capture time. Effective playback fps equals capture fps times playback speed: 30 fps footage at half speed plays at 15 effective fps and stutters, 60 fps at half speed plays at a smooth 30, and 120 fps survives quarter speed. Fast contacts (golf impact, bat on ball, a jab) deserve the highest frame rate your light allows. Run your numbers in the frame rate and slow-motion calculator.

FAQ

What is the best slow motion analysis app on Android in 2026?

There is no single winner because the category hides three different tools. For capturing training moments and reviewing them in slow motion on the spot, ReplayR (rolling buffer, free tier, pay-once Pro). For drawing, side-by-side comparison, and remote coaching, OnForm (subscription). For an automatic delayed feed at a drill station, BaM Video Delay, though it is iOS only and long unmaintained; on Android that job goes to ReplayR Pro's delayed preview, at 5 to 30 seconds. Many coaches pair a capture app with an analysis app.

What frame rate do I need for slow motion analysis?

60 fps is the practical minimum: it stays smooth at half speed (0.5x plays at an effective 30 fps). For quarter speed on fast actions like a golf impact or bat contact, record at 120 fps or more. At 30 fps, half speed already drops to 15 effective fps and looks choppy. Higher frame rates need more light.

Can my phone's built-in camera do slow motion analysis?

It can record slow-motion bursts, and for occasional clips that is fine. What it lacks for coaching: a rolling buffer (you must start recording before the moment), a hands-free trigger, and quick in-session review tools. It fills storage with full recordings and needs someone at the phone.

Which slow motion apps work offline with no account?

ReplayR runs fully offline with no login, as does BaM Video Delay on iOS; ReplayR also keeps all saved clips on-device only. OnForm requires an account and is cloud-backed, which is part of its remote-coaching value but matters for youth footage and privacy-sensitive settings.