Standard Time Berlin vs Slappy Hands
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Standard Time Berlin
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Standard Time Berlin: A Digital Artwork by Mark Formanek Standard Time Berlin is a unique digital artwork that transforms the concept of time into a captivating experience. Originally realized in Berlin in 2007, the award-winning performance involved seventy workers building a wooden time display in real time for 24 hours, with 1611 changes—a race against the clock. This fascinating performance is seamlessly documented in a single-shot video. The app synchronizes this video with your device’s time, allowing you to experience the artwork in real-time. However, please note that access to the full experience, including the complete video and all associated features, requires an in-app purchase. In-App Purchase Required for Full Functionality: To unlock the entire video and fully immersive experience, users will need to make an additional purchase within the app. Every time you look at your watch, you will forget the time. Immerse yourself in this remarkable piece of digital art by Mark Formanek, realized by Datenstrudel in 2007.
Slappy Hands
This app translates wrist movements into escalating sound effects, starting realistic and progressing to absurd explosions. It offers instant response and visual feedback, designed for a continuous, engaging experience without menus or tracking.
- Motion-activated slap sounds
- Escalating sound tiers
- Instant response
- Visual feedback on hits
- Rage-shake detection
- Works on either wrist
- Launches from watch face
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Slap the air. Your watch cracks back. Slappy Hands turns a flick of your wrist into a sound you can feel. Motion in, sound out — no menus, no setup, no waiting. That tight little loop is the whole point, and it's the reason people keep doing it long after the joke has landed. Then it escalates. The first slaps sound real. Keep going and they drift into cartoon, then absurd, then full explosions — a designed arc, not random noise — with rotating one-liners along the way. Tap the flame to skip straight to chaos. Built for feel: • Instant response — motion detection tuned by ear, not by spec sheet • Four sound tiers that escalate as you go, then reset so the arc can run again • No sound repeats back-to-back, so it stays alive the hundredth time • Keeps sounding even when the screen dims mid-session • Visual feedback timed to every hit: pulsing ring, color shift, flash • Rage-shake detection for when you really commit • Works on either wrist, arms itself when you raise it, sleeps when you don't • Launches straight from a watch face complication • Tap to see your slap count for the session No account. No ads. No tracking. Nothing leaves your watch. Just slap.
Screenshots
Verdict
The clearest difference is in-app purchases: Slappy Hands at none against Standard Time Berlin's 2. Standard Time Berlin's advantage is update cadence (fortnightly vs monthly) and device support (5 vs 3). On price, ads 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. Standard Time Berlin sells 2 one-off in-app purchases. Slappy Hands asks for nothing beyond the download.
Standard Time Berlin ships an update fortnightly, Slappy Hands monthly. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.
| Parameter | Standard Time Berlin | Slappy Hands |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, Mac, Apple TV, Apple Watch — better | iPhone, iPod, Apple Watch |
| Requires iOS | 16.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 3 MB |
| Age rating | 4+ | 9+ |
| Developer | datenstrudel | Tom Pardee |
In-app purchases
Standard Time Berlin
- Mobile$8.99
- Srandard4K$22.99
Slappy Hands
No in-app purchases
Questions
Is Standard Time Berlin free?
Is Slappy Hands free?
Do Standard Time Berlin or Slappy Hands have ads?
Which is updated more often, Standard Time Berlin or Slappy Hands?
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