Interval vs SimuLook
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Interval
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Make a stop-motion video in the time it takes to read this. No timeline. No clutter. Onion skin shows your last frame behind the live view, so every move lands. Time-lapse mode is one tap away. Export as video or GIF. One purchase, no subscription, ever. CAPTURE - Stop-motion mode: tap to capture, frame by frame - Onion skin: see your previous frame to guide the next - Burst mode: press and hold the shutter to fire a run of frames - Time-lapse mode: set your interval and let it run - Auto-capture with custom frame limits - Aspect ratios from square to 16:9, set before you shoot - Grid overlay and tap-to-focus - Pinch to zoom with native lens switching - Exposure, white-balance, and focus lock between frames - Self-timer: 3s, 5s, or 10s before the first frame - Shoot in portrait or landscape PREVIEW - Scrub through your frames on a filmstrip - Delete frames you don't want - Loop playback to check your timing - Close the app and come back โ your frames are still there EXPORT - Save to Photos or share anywhere - Export as GIF at 240px, 320px, or 640px โ free - Export in 1080p, or 4K with Pro INTERVAL PRO (one-time upgrade) - 4K export - Manual frame rate, 1 to 30 FPS - No watermark One purchase. Yours forever. No subscription. Time-lapse runs while Interval is open on screen โ it's built for minutes and hours, not overnight. Interval is for animators, hobbyists, and anyone turning still moments into motion, without a steep learning curve. Built by a designer who wanted a simpler animation tool.
SimuLook
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Find the film recipe behind your photo. SimuLook helps Fujifilm photographers read camera settings, explore new looks and keep a recipe library ready for the next shoot. READ A RECIPE FROM A PHOTO Choose a supported original Fujifilm JPEG with its camera metadata intact. Read its film simulation, white balance and other available settings, then save a recipe. No cable or account is needed for this local workflow. PREVIEW AND EDIT YOUR LOOK Compare up to six software previews. Adjust light, colour and effects, crop and straighten, add frames or text, and copy edits between results. Software previews help compare a direction; in-camera results can differ. KEEP YOUR RECIPES TOGETHER Save favourites, organise your own recipes and import or export settings. Add a sample photo so you can remember the look and share it clearly. DISCOVER AND SHARE Browse community recipes and find settings for your style. Sign in to publish a recipe with a sample photo, follow photographers, comment and message. Share a recipe or profile with a link. FREE TO START Local recipes, community browsing, supported-photo reading and supported camera C1โC7 reading/backup are free. Optional Premium unlocks verified camera writing. Writing is limited to supported settings on X100VI firmware 1.32; compatibility is checked in the app. No purchase is needed to explore recipes. Available on iPhone, iPad and Mac. Privacy: https://simulook.com/privacy Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: info@simulook.com
Screenshots
Verdict
The clearest difference is in-app purchases: SimuLook at none against Interval's 1. SimuLook also leads on update cadence (every 3 days vs every 10 days) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Interval sells 1 one-off in-app purchase. SimuLook asks for nothing beyond the download.
Interval ships an update every 10 days, SimuLook every 3 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.
| Parameter | Interval | SimuLook |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days | Every 3 days โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone | iPhone, iPad, Mac โ better |
| Requires iOS | 17.0 | 17.0 |
| Further details โ not scored | ||
| Size | 5 MB | 20 MB |
| Age rating | 4+ | 12+ |
| Developer | Marinko Brdarevic | Yusuf Yilmaz |
In-app purchases
Interval
- Interval Pro$4.99
SimuLook
No in-app purchases









