BtCamera vs Lens.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BtCamera
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You can control while monitoring the camera image using WiFi, Bluetooth. You can monitor without going through the server You can monitor camera images of multiple terminals. ※ You can monitor two cameras and experience stereo images 1Remote contro You can do the following operations. zoom shutter Light Camera switch Luminance self timer Setting menu Camera size Photo Save ※Picture storage location sound Mask of camera screen ※(black out, white out) : Suppresses the influence on Object of shooting (animals,etc) ※Can be set only from the controller How to use Please turn on WiFi and Bluetooth before turning on 1.Launch application on camera side 2.Launch application on controller side 3.Expose its existence from the controller side. Dialog box> Please enter distinguished name 4.Detect existence on camera side. -> Apply for connection permission. Dialog box> found PeerID [device name][distinguished name] 5.Check the connection on the controller side. Dialog box> Allow connection [device name][distinguished name] Connection completed. 2.Camera View Up to 8? terminal images can be monitored.(The actual machine check is three units.) ※Monitor image is downsized. How to use Please turn on WiFi and Bluetooth before turning on 1.Launch application on camera side 2.Launch monitor application 3.Existence is disclosed from the monitor side. ※Existence is disclosed from the monitor side. ※If the existence disclosure dialog is not displayed, click "Connect to host" in the setting button 4.Detect existence on camera side. -> Apply for connection permission. 5.Check the connection on the monitor side. 6.When another camera is started -> It detects the existence after startup. -> Apply for connection permission. 7.Check the connection on the monitor side. 8.Repeat 6 ->7. Connection completed. You can create 3D photos and 3D movies (time-lapse) with 2 cameras and 1 monitor When 2 cameras and 1 monitor, the shooting button is displayed at the bottom of the monitor screen. Movie creation processing is done at the end of shooting ※ Please match the resolution of the two cameras. ※The real-time performance is impaired depending on the processing capacity and resolution of the camera->Please lower the resolution together Ver.1.03 Fixed bug with IOS version upgrade
Lens.
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Experience photography the way it used to feel—slow, tactile, and full of anticipation. This app brings the warmth of vintage cameras into today’s world, blending nostalgic mechanics with the simplicity of your phone. Every interaction is designed to feel real: toggle the flash with a gentle click, slide the exposure dial, set a timer, and capture a moment that doesn’t appear instantly. Instead, it develops gradually, inviting you to pause and appreciate the magic of discovery. Shake your device to speed up the reveal, feel subtle haptics that mimic the touch of classic hardware, and listen to soft mechanical sounds crafted to recreate an authentic analog experience. Store your photos, curate your own board, and explore them in a fully immersive 3D Wall, where each memory gains depth, presence, and a sense of physicality—just like displaying prints in your own creative space. Features: • Flash, exposure, and timer controls inspired by old cameras • Gradual photo development with shake interaction • Carefully designed haptics for tactile realism • Soft, minimal mechanical sound effects • Personal board to keep your favorite memories • 3D Wall to showcase your photos in an immersive space • A nostalgic, immersive take on mobile photography Capture the moment. Feel the moment. Reveal the moment.
Screenshots
Verdict
The clearest difference is update cadence: Lens. at daily against BtCamera's every 6 months. BtCamera's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 18.6). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BtCamera ships an update every 6 months, Lens. daily. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.
| Parameter | BtCamera | Lens. |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 8 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | HIROYASU MACHIGUCHI | Leonardo Monteiro |
In-app purchases
BtCamera
No in-app purchases
Lens.
No in-app purchases









