Comparison

Understudy vs DUMP

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

Head to head
About

Understudy

This app transforms a spare iPhone into a customizable prop phone for film and video production. Create realistic lock screens, scripted message conversations, and on-cue incoming calls. It's designed to keep the screen awake during long takes, ensuring seamless filming.

Highlights
  • Customizable lock screen
  • Scripted message conversations
  • Triggered incoming calls/texts
  • Short-form video feed
  • Screen stays awake
  • Built-in editor
Features
Read full description

Understudy turns a spare iPhone into a camera-ready prop phone for film and video production. Stage every screen your scene needs: a lock screen with custom wallpaper and carrier name, message conversations you script yourself, incoming calls that ring on cue, and a scrolling short-video feed. BUILT FOR SET • Lock screen with custom wallpaper, carrier name, and live clock • Scripted message threads with custom contacts and photos • Trigger an incoming call or text right from the phone • Short-form video feed with your own footage, captions, and counts • Screen stays awake through long takes YOUR CONTENT, YOUR TIMING Set up contacts, conversations, and videos in the built-in editor (double-tap anywhere with two fingers), then hand the phone to your actor and roll camera. Understudy displays fictional content for production use only. It sends no real messages, places no real calls, and is not affiliated with Apple.

About

DUMP

Features
Read full description

DUMP turns your camera roll into a share-ready photo dump in under a minute. Pull photos and videos from your Favorites, a specific album, or a random selection of your library. DUMP builds the order, lets you swap anything you don't like, and previews the result exactly the way it will look on your feed. SWIPE CAROUSEL - Every photo or video becomes its own slide - Swipe to preview, just like a real carousel post - Replace any slide randomly or pick it yourself - Drag to reorder before you export - Original quality: no compression, no re-encoding CANVAS PAGES - Build multi-page layouts on a freeform canvas - Move, scale, rotate, and crop any element - Mix photo and video layers on the same page - Full undo and redo GRIDS & TEMPLATES - Ready-made grid layouts with adjustable spacing - Ratio presets for square, portrait, and story sizes - Start from a template and drop your media straight in - Save your own layouts and reuse them later FRAMES, STICKERS & TEXT - Polaroid, film, and minimal border frames - Sticker packs and freehand drawing - Text styles with fonts, colors, and shadows - Solid, gradient, and textured backgrounds - Filters and per-photo adjustments EXPORT - Save straight into a new Photos album named after your project - Slides stay in the exact order you set - Export photos and videos together - Live progress, retry, and clear error states BUILT FOR SPEED - No account and no sign-up - Works fully offline - Light and dark mode - English and Turkish - Pick your own accent color PRIVACY Your photos and videos never leave your device. DUMP reads your library only to build your dump, and only after you grant permission. Nothing is uploaded and nothing is shared unless you tap share yourself. DUMP PREMIUM Premium unlocks unlimited projects, larger dumps, premium templates, frames, stickers, text styles, filters, and accent colors. Terms of Use: https://guledaaydemir.github.io/DUMP/terms.html Privacy Policy: https://guledaaydemir.github.io/DUMP/privacypolicy.html EULA : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Pick it. Make it. DUMP it.

Screenshots

Understudy4 screens
DUMP4 screens

Verdict

The call

Understudy and DUMP 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. Understudy sells 1 one-off in-app purchase and DUMP sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Understudy versus DUMP: the parameters behind the verdict, then further details
ParameterUnderstudyDUMP
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 5 days—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.0 — better18.6
Further details — not scored
Size25 MB150 MB
Age rating12+12+
DeveloperGinsberg AI LLCGul Eda Aydemir

In-app purchases

1 purchases

Understudy

One-time1
  • Full Access$29.99
2 purchases

DUMP

Subscriptions2
  • Weekly$2.997 Days
  • Yearly3 Days trial$29.991 Year

Questions

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

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