LX vs NegaFilm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
NegaFilm
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NegaFilm — Turn Digital into Negative. Transform your photos into authentic negative film with color inversion and orange mask compositing. Powered by Core Image GPU processing, NegaFilm faithfully reproduces the unique color rendering, grain texture, and halation of real analog film. For film photography lovers and anyone who craves that analog aesthetic. ■ Negative Film Processing Color inversion × orange mask compositing converts digital photos into realistic negative film. Smooth processing powered by Core Image GPU acceleration. ■ Real-Time Camera See the negative film effect live through the viewfinder as you shoot. PiP display lets you compare with the original image. Auto-capture mode for continuous shooting. ■ 7 Adjustment Parameters Film base · Grain · Contrast · Saturation · Color temperature · Vignette · Halation. Slider adjustments instantly reflected in the preview. ■ 8 Film Presets [Free Presets] · Cinema 500T — Tungsten-balanced 500 ISO. Reproduces the wide dynamic range of motion picture negative film. · Snap 400 — Disposable camera aesthetic. Nostalgic look with strong vignette and heavy grain. · Aqua 400 — Dramatic red-to-turquoise color shift. Distinctive colors unique to specialty negative film. [Pro Presets] · Neon 800T — Signature red halation blooming around light sources. Perfect for nightscapes and neon. · Wolfen NC500 — Inspired by former East German film stock. Subdued saturation with a distinctive cool-toned palette. · Mono 400 — Classic black & white film. Rich tonal range with authentic silver halide grain texture. · Pro 400H — Medium format 6×6. Soft pastel colors and smooth, fine grain. · Cross E200 — Cross-processed look. Experimental yellow-green color cast with high contrast. ■ Film Strip Export Export up to 6 photos as a single horizontally-joined JPEG image. Perforations, frame numbers, and film stock codes faithfully rendered. Three perforation styles: standard 35mm, cinefilm, and medium format. ■ Custom Preset Saving (Pro) Save your favorite adjustment values as custom presets. Recall them anytime. [NegaFilm Pro] One-time purchase. Includes all 5 Pro film presets, custom preset saving, unlimited project saves, and all future presets. [Try It Free] 3 free presets, all 7 adjustment parameters, real-time camera, and film strip creation & export for up to 6 photos — all free. Save up to 5 projects for free.
Screenshots
Verdict
The clearest difference is price: NegaFilm at Free against LX's $1.99. NegaFilm also leads on update cadence (every 6 days vs every 5 months). LX's advantage is iOS requirement (13.0 vs 17.0). On 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
NegaFilm is free to download; LX costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
LX ships an update every 5 months, NegaFilm every 6 days. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.
| Parameter | LX | NegaFilm |
|---|---|---|
| Price | $1.99 | Free — better |
| Update frequency | Every 5 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 21 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryo Nakae | Mai Takemae |
In-app purchases
LX
No in-app purchases
NegaFilm
No in-app purchases









