Comparison

ReplayCam vs LX

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

Head to head
About

ReplayCam

This app transforms your iPhone into a time-shift camera, allowing instant playback of recorded footage while continuing to film. It's useful for analyzing movements, monitoring events, or as a drive recorder. Save and share your time-shifted clips easily.

Highlights
  • Instant replay of up to 60 seconds of filmed footage
  • Simultaneous filming and playback
  • Loop playback of selected clips
  • Save and export clips to Camera Roll
  • Switch between front and back cameras
  • Disable auto-lock for extended recording
Features
Read full description

ReplayCam - the time shift video camera. “How was that?” This app turns your iPhone into a time shift camera that can instantly display whatever it just shot. You’d normally have to pay big bucks for an on-the-fly replay device. Now all you need is ReplayCam on your iPhone! TIME SHIFT ReplayCam enables you to play back up to 60 seconds of whatever you’ve just filmed while you continue to film. Use it to check your golf swing or practice your party tricks leading up to the festive season, or as a drive recorder in your car, or if you’re a researcher, to monitor an experiment and never miss that vital moment. There’s no end to the ways it can be useful! Simple operation using just Record and Play buttons enables easy repeat checking so that you can focus 100% on whatever you’re doing. REPLAY In the Replay mode, you can select clips for looped playback, or display live visuals in rows to compare and check movement. You can also crop and save whatever clips you want to Camera Roll, post them to social media, or use them in other apps or on a PC or Mac. Key features: - Replay of up to 60 seconds of whatever you’ve just filmed with your iPhone’s camera (Time Shift view) - Easy switching between front and back cameras - Simultaneously save a Time Shift video to Camera Roll while playing it - Export Time Shift video to external display device - Looped playback of selected clip (Replay view - Loop Playback function) - Save selected clips to Camera Roll - Auto lock can be disabled for longer filming - Record clips that play smoothly even on iPhone 4 by reducing quality (Recording Priority mode) Notes: - Recording frame rate: 32 fps from iPhone 4S onward, 17 fps for iPhone 4 (approx. 24 fps in Recording Priority mode) - Frame rate and possible recording length may vary according to handset usage status. - Recording length and Time Shift replay length can be customized. Also available free&limited version 'ReplayCam Lite'. https://itunes.apple.com/us/app/id590203341

About

LX

Features
Read full description

LX (/lʌks/) is a simple light meter app. # Features - A simple, beautiful, and intuitive user interface - Fix either the aperture or shutter speed and check the corresponding value for proper exposure - Adjust the EV value to see the live camera image change in brightness—helpful for visualizing how your photo will turn out - Measure exposure at the point you tap—ideal for checking exposure in scenes with high contrast - Flash meter mode for finding the right settings for manual flash photography - No ads, one-time purchase

Screenshots

ReplayCam4 screens
LX4 screens

Verdict

The call

The clearest difference is price: LX at $1.99 against ReplayCam's $2.99. ReplayCam's advantage is iOS requirement (8.0 vs 13.0). On update cadence, ads, 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

ReplayCam costs $2.99 and LX $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ReplayCam ships an update every 4 months, LX every 5 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
ReplayCam versus LX: the parameters behind the verdict, then further details
ParameterReplayCamLX
Price$2.99$1.99 — better
Rating4.0 (4 ratings) — better—
Positive reviews45.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 4 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size35 MB21 MB
Age rating4+4+
DeveloperDreamGarage Inc.Ryo Nakae

In-app purchases

None

ReplayCam

No in-app purchases

None

LX

No in-app purchases

Questions

Is ReplayCam free?
ReplayCam costs $2.99, with no in-app purchases.
Is LX free?
LX costs $1.99, with no in-app purchases.
Do ReplayCam or LX have ads?
Neither ReplayCam nor LX shows ads.
Which is updated more often, ReplayCam or LX?
ReplayCam ships an update every 4 months, and LX every 5 months. Most recently, ReplayCam was updated on November 1, 2026 and LX on October 30, 2026.

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