ReplayCam vs LX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
LX
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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
Verdict
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
ReplayCam costs $2.99 and LX $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | ReplayCam | LX |
|---|---|---|
| Price | $2.99 | $1.99 — better |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | 45.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 4 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 35 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | DreamGarage Inc. | Ryo Nakae |
In-app purchases
ReplayCam
No in-app purchases
LX
No in-app purchases









