Comparison

StillFlow vs MODUL8

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

Head to head
About

StillFlow

Features
Read full description

## Overview (Main Description) StillFlow is a creative camera app that turns your photos into “moving visuals” by layering geometric particles that drift, flow, and gather like living creatures. With face detection, particles can be set to avoid or attract faces so you can highlight your subject without breaking the mood of the original photo. ### Key Features - Photo import and normalization - Supports JPEG/HEIC. Automatically fixes orientation, normalizes to sRGB, and safely downsamples large images. - Face-aware particle behavior - Uses Vision to detect faces and lets particles avoid faces, gather around them, or mix both behaviors. - Radius, strength, and spawn ratio are adjustable with intuitive sliders. - Rich particle expressions - Multiple shapes (circles, boxes, capsules, triangles, diamonds, etc.) and patterns (check, stripes, dots, gradient). - Control particle count, density, brightness, additive blending, zoom, and motion chaos in real time. - Monochrome particles toggle for clean, high-contrast looks. - Background controls - Layer animated gradients over your photo and tweak mode (linear / radial / angular), intensity, speed, and saturation. - Optional photo monochrome toggle to desaturate the background image itself. - Capture modes - Single: Save the current frame as an image. - Burst: Capture multiple frames and pick your favorites from a grid with full-screen preview. - Video: Record full-screen video matching the preview, exporting in 720p (Free) or 1080p-class (Pro). - Modern UI - Minimal bottom sheet opened from the bottom-left trigger, with paged “Basic” and “Face” tabs. - Sliders and toggles are arranged near the bottom for easy reach and a clean, monochrome look. ## Who Is It For? - Creators and social media users who want to turn photos into moving designs. - Anyone interested in generative-style expressions that still highlight the subject. - Users who want high-quality previews and exports without a heavy editing workflow. ## Free vs Pro (In-App Purchase) - Free - Background gradient and monochrome particles are **preview-only** and are not applied to saved stills, bursts, or recordings. - A watermark is added to exported photos and videos. - Recording is limited to 720p-class and up to 15 seconds. Burst is limited to 5 frames. - Particle limits: Max=220, density up to 0.6. - Pro (non-consumable in-app purchase) - Background gradient and monochrome particles are applied to exports as well as preview, with **no watermark**. - Recording time limit is removed, enabling longer videos in 1080p-class resolution. - Particle limits are unlocked up to Max=400 and density up to 1.0 for richer, denser visuals. ## Quality & Performance - GPU-driven rendering keeps both preview and recording responsive, with GPU-based blits to avoid black frames or bars. - Auto LOD targets roughly 30fps on modern devices by adjusting particle count in real time.

About

MODUL8

Transform your photos into unique glitch art with a variety of customizable effects. Stack and reorder effects to create distinct visual styles, from retro VHS to corrupted digital art. Save your creations or export them as animations.

Highlights
  • 19 unique glitch art effects
  • Customizable effect controls
  • Stackable and reorderable effects
  • Built-in and custom presets
  • Photo import and camera capture
  • Export still images and animations
Features
Read full description

MODUL8 breaks photos and videos the way real hardware used to fail: a VHS tape losing its tracking, a tube out of convergence, a satellite feed losing lock, a codec guessing at missing blocks. It is not a filter pack. Each effect reads the picture it is given before it decides what to do, so the same settings give different results on different shots, and the order you stack them in changes the result. 29 EFFECTS Nineteen classics: Noise, Pixel Shift, RGB Split, Scanlines, Distortion, Corruption, Feedback, VHS, CRT, Chroma, Film, Crush, Interlace, Invert, Datamosh, Dither, Static, Sort and Sync. Ten more with Premium: Satellite, Ghosting, Slow Scan, Teletext, Fax, Repost, Webcam, Handheld, Magnet and Chewed. Every setting has its own level meter. Nothing is a single slider. VIDEO Open a clip and watch it play through your effects. Trim up to a minute and save it at 1080p or 4K, with its sound. SETTINGS THAT MOVE Any setting can drift, step or sweep on its own, and loops and videos carry the movement. STAMPS AND MASKS Burn in a camcorder, digicam, VCR or CCTV date. Keep the subject of a photo clean and break only the background, or the other way round. PRESETS Nine built in, two Premium packs, Dead Air and Y2K, and your own saved stacks. PREMIUM Video, the ten new effects, settings that move, stamps, masks and the preset packs, plus exports at 2048 pixels and 4K and three-second loops. Monthly or yearly; the yearly plan starts with a 7-day free trial, and the app shows prices in your own currency. Try any Premium feature on your own photo first: only saving asks. The 19 classic effects, layers and presets work without a subscription, and save at 1024 pixels. No ads. Everything is processed on your device. Nothing is uploaded. Terms of Use: https://mergewiththemachine.com/app-terms

Screenshots

StillFlow4 screens
MODUL84 screens

Verdict

The call

StillFlow and MODUL8 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both are free to download. StillFlow sells 1 one-off in-app purchase and MODUL8 sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
StillFlow versus MODUL8: the parameters behind the verdict, then further details
ParameterStillFlowMODUL8
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequency—Every 8 days
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhoneiPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size5 MB4 MB
Age rating4+4+
Developeryoshihiro kuniharaLevi Foster

In-app purchases

1 purchases

StillFlow

One-time1
  • StillFlow Pro$4.99
1 purchases

MODUL8

Subscriptions1
  • Modul8 Monthly$4.991 Month

Questions

Is StillFlow free?
StillFlow is free to download, with in-app purchases available.
Is MODUL8 free?
MODUL8 is free to download, with in-app purchases available.
Do StillFlow or MODUL8 have ads?
Neither StillFlow nor MODUL8 shows ads.

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