Trigger Keeper vs Reactie
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trigger Keeper
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Prop your phone anywhere, step into the frame or keep your hands on the job, and say the word. Trigger Keeper hears it and takes the photo. No timer sprint, no asking strangers, no one missing from the picture. HOW IT WORKS Pick your trigger word. Any word you like, from "cheese" to something only your family says. Frame the shot and tap Play. Trigger Keeper starts listening. Say the word. The flashlight blinks so everyone knows it heard you, and the shutter fires. Or just smile. With Smile to shoot on, it takes the photo when everyone in frame is smiling. MADE FOR REAL PHOTOS Your word, not a wake phrase. No "Hey Siri" required. Burst mode takes three shots in a row, so blinks and mid-laugh frames don't cost you the photo. Live Photo support captures the moment around the moment. 0.5x ultra-wide to 6x zoom, with pinch or one-tap lens presets. 4:3, square, and 16:9 framing. The volume buttons and Camera Control work as a manual shutter. PRIVATE AND LOCAL Speech recognition and smile detection run entirely on your iPhone. Trigger Keeper contains no networking code at all. It cannot send your audio, your photos, or anything else anywhere. No account. No ads. No analytics. It works in airplane mode, because nothing it does ever needed the internet. Listening stops when you tap Stop, when you leave the app, or after 10 quiet minutes. A note on permissions: Trigger Keeper asks for full photo library access only because creating and managing its own album requires it. The gallery shows only the Trigger Keeper album. Your other photos are never read. GOOD FOR Family gatherings and holiday photos. Group shots where the photographer finally gets to be in them. Solo creators who need a camera operator. Anyone tired of the 10-second timer dash. Hands-busy moments: under a sink, up a ladder, or mid-repair, when you need a clear photo of a part to send to a colleague or customer. Requires iOS 17.2 or later. Ultra-wide and telephoto options appear on devices that have those lenses.
Reactie
This app transforms ordinary selfies into memorable reaction moments by surprising friends with custom images after a countdown. It captures their genuine reactions in the background, allowing you to replay and share these spontaneous expressions.
- Surprise selfie mode
- Custom image overlays
- Custom audio shutter
- Burst photography
- Video recording of reactions
- Countdown timer
- Shareable reaction memories
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Think you’re taking a normal selfie… until the unexpected happens. Reactie turns ordinary selfies into unforgettable reaction moments. Start a selfie, let your friends see a familiar countdown, and then surprise them with a custom image appearing at just the right moment. While they react, Reactie captures the moment in the background so you can replay their genuine reaction later. Whether you’re setting up a harmless prank, surprising a friend, or simply capturing a spontaneous moment, Reactie makes it easy to turn an ordinary photo into a memory worth sharing. Features * Surprise selfie mode — Create the expectation of a normal selfie before revealing your surprise. * Custom image overlays — Choose the image that appears after the countdown. * Custom audio shutter — Choose the sound that will be played when taking the selfie. * Burst photography — Capture a sequence of photos to catch every moment of the reaction. * Video recording — Record the full reaction as it happens. * Countdown setup — Give everyone the familiar feeling that a selfie is about to be taken. * Capture the reaction — Preserve those split-second expressions that would otherwise be missed. * Perfect for pranks & surprises — Great for friends, parties, challenges, and spontaneous moments. * Share the memory — Keep your favorite reactions and share the results with your friends. Make the moment unexpected Set it up. Start the countdown. Watch the reaction. Reactie — capture the reaction, not just the selfie.
Screenshots
Verdict
The clearest difference is price: Reactie at Free against Trigger Keeper's $4.99. Trigger Keeper's advantage is in-app purchases (none vs 1) and iOS requirement (17.2 vs 26.5). On ads 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
Reactie is free to download; Trigger Keeper costs $4.99 up front. Reactie sells 1 one-off in-app purchase. Trigger Keeper asks for nothing beyond the download.
| Parameter | Trigger Keeper | Reactie |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.2 — better | 26.5 |
| Further details — not scored | ||
| Size | 2 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Brian Ukestad | Joan Duat |
In-app purchases
Trigger Keeper
No in-app purchases
Reactie
- Remove WatermarkFree





