Comparison

Winder vs HeissenQRNG

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

Head to head
About

Winder

This app provides highly accurate time synchronization with atomic time servers. It features beautifully crafted, animated watch dials and optional sound cues for precise timekeeping. Designed for watch enthusiasts, it prioritizes privacy with no data collection.

Highlights
  • Atomic time synchronization (NTP)
  • Drift strip for device offset
  • Continuous-sweep second hand
  • Analog and digital display options
  • 12 handcrafted, animated dial themes
  • Optional countdown sound cues
  • No data collection or tracking
Read full description

Winder syncs to public NTP atomic time servers and shows you time you can trust, accurate to the millisecond. Open the app, read the time, set your watch. That's it. Built for collectors who care about the seconds. WHAT YOU GET Atomic time synchronization via NTP (NIST, PTB). The drift strip at the top of the screen shows your device's exact offset from atomic time. No guessing, no rounding. A continuous-sweep second hand that glides like a Spring Drive. Analog face, digital display, or both. Dauphine hands with a center ridge that catches light. Four bundled typefaces. Optional countdown sound cues (mechanical or electronic) so you can set your crown without watching the screen. 12 dial themes drawn from real watch materials: meteorite with Widmanstätten crystal lines, aventurine glass with 1,375 shimmering inclusions, sunburst rays with a rotating specular beam, tapisserie grids, black ceramic waves, and more. Every surface animates. Light sweeps slowly across crystal boundaries. Inclusions catch and release a migrating glow. Specular beams rotate over hours. These are not wallpapers. They are living dial surfaces. Three themes are free. Winder Pro unlocks the full collection with a single purchase. No subscription. PRIVACY Winder collects no data. No accounts. No analytics. No tracking. No crash reporting. Your preferences stay on your device. The only network request is the NTP time sync. That's the entire privacy policy. BUILT BY A WATCH COLLECTOR I couldn't find a precision clock on the phone that felt worthy of the watches it was meant to serve, so I built one. Every dial, every animation, every pixel is crafted with the same care you'd expect from the watches Winder serves. Made in Mexico. Part of the Watchdex ecosystem. watchdex.app

About

HeissenQRNG

Features
Read full description

Bienvenidos a la era de la aleatoriedad verdadera. Heissen QRNG no es un generador al azar común; es una ventana directa a la física cuántica. La inmensa mayoría de las aplicaciones y computadoras utilizan algoritmos matemáticos deterministas para simular resultados al azar (pseudo-aleatoriedad). Heissen rompe esa barrera obteniendo entropía de la naturaleza misma. A través de nuestra integración con la infraestructura de Cisco Outshift QRNG, Heissen utiliza hardware físico certificado para medir el comportamiento de la luz a nivel subatómico. Mediante la emisión de fotones a través de divisores ópticos, capturamos la imprevisibilidad inherente del universo para entregarte entropía pura: números incorruptibles y libres de cualquier sesgo informático. CARACTERÍSTICAS PRINCIPALES: - El Proceso a la Vista: Conoce la ciencia detrás de tu resultado. Desde la emisión del láser hasta el colapso de la función de onda, la verdadera probabilidad física respalda cada número. - Modo Sorteo: Garantiza transparencia absoluta. Si hay algo importante en juego, que lo decida la física cuántica, no un código predecible. - Toma de Decisiones: ¿Sí o no? Deja que el universo resuelva tus dilemas con imparcialidad total. - Lanzamiento de Dados: Lleva tus juegos al siguiente nivel con tiradas probabilísticamente perfectas. - Diseño Premium: Una interfaz en Dark Mode profundo con animaciones fluidas inspiradas en la mecánica cuántica. Descarga Heissen QRNG hoy y experimenta el poder de la verdadera entropía.

Screenshots

Winder4 screens
HeissenQRNG3 screens

Verdict

The call

The clearest difference is in-app purchases: HeissenQRNG at none against Winder's 1. HeissenQRNG also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.2). On price, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Winder sells 1 one-off in-app purchase. HeissenQRNG asks for nothing beyond the download.

UpkeepUpdate frequency

Winder ships an update every 5 days, HeissenQRNG every 4 days. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 7 level
Winder versus HeissenQRNG: the parameters behind the verdict, then further details
ParameterWinderHeissenQRNG
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 5 daysEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.215.1 — better
Further details — not scored
Size15 MB23 MB
Age rating4+9+
DeveloperIVAN ALEJANDRO MUNGUIA CRUZSynapta SpA

In-app purchases

1 purchases

Winder

One-time1
  • Winder Pro$4.99
None

HeissenQRNG

No in-app purchases

Questions

Is Winder free?
Winder is free to download, with in-app purchases available.
Is HeissenQRNG free?
HeissenQRNG is free to download, with no in-app purchases.
Do Winder or HeissenQRNG have ads?
Neither Winder nor HeissenQRNG shows ads.
Which is updated more often, Winder or HeissenQRNG?
Winder ships an update every 5 days, and HeissenQRNG every 4 days. Most recently, Winder was updated on October 13, 2026 and HeissenQRNG on October 15, 2026.

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