FlowGrid vs Rendrl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlowGrid
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FlowGrid turns your wide-angle photos into seamless, swipeable Instagram carousels that flow perfectly from slide to slide. Pick any panorama or landscape shot, choose how many frames you want (2 to 10), and FlowGrid splits it into a continuous carousel with zero visible seams. Every frame aligns precisely so your followers see one unbroken image as they swipe. SEAMLESS CAROUSEL CREATOR - Split panoramas into 2–10 high-resolution carousel frames - Zero-seam rendering engine ensures pixel-perfect alignment - Preview the full swipe before exporting - Works with any photo, not just panoramas PHOTO GRID & LAYOUT MAKER - Choose from aesthetic templates designed for Instagram feeds - Mix aspect ratios (4:5, 1:1, 9:16) in one carousel - Create grid collages that make your profile stand out - Add text overlays, stickers, and graphic elements EXPORT IN FULL QUALITY - Save in 4K resolution for maximum clarity on any screen - No loss compression preserves every detail of your original photo - Go from raw panorama to published carousel in under 60 seconds FlowGrid is made for photographers, content creators, and brands who want their Instagram feed to look intentional and polished. Payment & Subscription: - You can choose our plans and get unlimited access to all the features of the App. Unlock All Features for a month USD 0.99 Unlock All Features for a year USD 8.99 You can cancel your subscription anytime, to cancel subscription follow these steps on your iPhone/iPad Go to Settings > click on Your Name > Subscriptions > In Active section > Flow Grid > Cancel Subscription >Confirm Cancellation EULA: https://howtodelete.weebly.com/privacy-policy.html
Rendrl
Create stunning Instagram carousels, collages, and story covers with this powerful photo editing tool. It offers advanced features like layer control, cinematic color grading, and customizable typography, all while processing images locally for privacy.
- Seamless Instagram carousels up to 20 slides
- Cinematic photo collage maker with layer control
- Stories and Reels cover designer
- Pro color grading with manual controls
- Cinematic typography with 30+ fonts
- Local photo processing for privacy
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Export every slide at full resolution without a subscription - Rendrl never paywalls your work. Build seamless Instagram carousels that flow slide to slide, cinematic photo collages, and Stories or Reels covers, all in one editor. SEAMLESS CAROUSELS Multi-slide posts that flow perfectly from slide to slide - up to 20 slides, each with its own background. The panorama swipe view shows exactly how your post will look as people swipe through it. Built for photo dumps, travel diaries, OOTD lookbooks, step-by-step guides and product showcases. CINEMATIC COLLAGES A full canvas editor with layer control over photos, text, stickers, frames and grids on an infinite canvas. Pinch to zoom, rotate, and edit non-destructively - nothing is ever flattened. STORIES & REELS COVERS Design covers and thumbnails that match your feed, so your aesthetic stays consistent across every format. TYPOGRAPHY THAT STAYS SHARP 30+ fonts with stroke, drop shadow, glow, letter spacing, curved text paths and case modes. Text renders losslessly at export resolution — no soft edges, no rasterised blur. BACKGROUND REMOVAL Cut any subject out in one tap and drop it onto a new background, a colour, or a layered collage. COLOR GRADING One-tap cinematic looks, plus manual control over brightness, contrast, saturation, warmth and tone. LAYERS, STICKERS & FRAMES A complete layer stack with control. Lock, reorder, duplicate or delete - every element stays independently editable. EXPORT YOUR WAY Every slide saves at full resolution straight to your photo library, and layouts can become moving video. - Instagram 4:5 — 1080x1350 - Square 1:1 — 1080x1080 - Reels & TikTok 9:16 — 1080x1920 - Stories 9:16 — 1080x1920 - Pinterest 2:3 — 1000x1500 - Landscape, Classic and Cinematic HOW IT'S FREE No subscription and no in-app purchases. Watch a short rewarded ad when you choose to earn a Render Core, and spend one to export. Cores are only deducted after a save completes successfully - a failed export never costs you anything. PRIVACY FIRST All processing happens on your device. Rendrl never uploads or stores your photos on a server. Sign in with Apple or Google. Privacy Policy: https://devbynight.com/rendrl/privacy Terms of Service: https://devbynight.com/rendrl/terms Contact: rendrlapp@gmail.com
Screenshots
Verdict
The clearest difference is in-app purchases: Rendrl at none against FlowGrid's 2. Rendrl also leads on update cadence (every 10 days vs monthly). FlowGrid's advantage is ads (none vs shown). On price, device support and iOS requirement 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. FlowGrid sells 2 in-app purchases, starting at $0.99 per month. Rendrl asks for nothing beyond the download.
FlowGrid ships an update monthly, Rendrl every 10 days. The most recent releases landed on September 13, 2026 and September 19, 2026 respectively.
| Parameter | FlowGrid | Rendrl |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Monthly | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 122 MB | 146 MB |
| Age rating | +4 | 4+ |
| Developer | BMAC Infotech | Rizwan Mohiuddin Mohammed |
In-app purchases
FlowGrid
- Monthly$0.991 Month
- Yearly$8.991 Year
Rendrl
No in-app purchases









