BlueTwo vs OnlyStamps
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BlueTwo
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BlueTwo-Lichtsteuerung BlueTwo-Multicontroller: Zum drahtlosen schalten, stufenlosem dimmen und mischen von Lichtfarben - über mobile Endgeräte oder dem BlueTwo-Handsender steuerbar - Mischung von verschiedenen Lichtfarben - Speichern von individuellen Lichtfarben oder Helligkeitswerten - Unbegrenzte Anzahl an Controllern steuerbar - Schnelle Verbindung über Bluetooth LE - Memoryfunktion: Letzter Helligkeitswert wird beim einschalten aus dem Speicher übernommen. - mit Komfort-Aus Funktion (nach einer Minute schaltet sich das Licht automatisch aus) Sensoren im HT4S-Handsender können über APP ausgelesen werden: - Temperatur - Luftdruck - Luftfeuchtigkeit Empfangsfrequenzen: 4.0 Bluetooth LE Beliebig konfigurierbar über App oder Handsender für folgende Optionen: 4-Kanal Dimmer 2-Kanal Tandemdimmer RGB Reichweite: von mobilen Endgerät zu Controller max. 20 m von BlueTwo-Handsender zu Controller max. 20 m Hinweis: APP-Funktionen nur in Verbindung mit unserem BlueTwo-Multicontroller oder HT4S-Handsender nutzbar.
OnlyStamps
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Welcome to Onlystamps - your digital stamp card for restaurants, cafés, hairdressers and more! With Onlystamps you can collect digital stamps easily and conveniently. No more lost or forgotten cards - everything is always at hand in your app. Your advantages with Onlystamps: * Everything in one place: Keep all your loyalty cards digitally and clearly organised in the app. * Diverse businesses: Collect stamps in numerous locations, from your favourite café to a beauty salon. * Easy to use: Download the app, register and start collecting stamps straight away. Find participating shops easily in the app. * Attractive rewards: Exchange your collected stamps for great rewards and enjoy the benefits of your loyalty. * Secure and reliable: Your data is safe with us. We use the latest encryption technology and carry out regular security checks. * Your favourite shop is missing? Let us know in the app which shop you want and we'll take care of it. Here's how it works: 1. download the app 2. register - Sign up in just a few steps. 3. collect stamps - every time you visit a participating shop. 4. redeem rewards - Enjoy your rewards! Join the Onlystamps community and experience a smart and convenient way to collect loyalty points and earn rewards. Get the app now and get started!
Screenshots
Verdict
The clearest difference is update cadence: OnlyStamps at weekly against BlueTwo's every 24 months. BlueTwo's advantage is iOS requirement (8.1 vs 12.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BlueTwo ships an update every 24 months, OnlyStamps weekly. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.
| Parameter | BlueTwo | OnlyStamps |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 24 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.1 — better | 12.0 |
| Further details — not scored | ||
| Size | 6 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | Wilhelm Koch GmbH | Oliver Buehrer |
In-app purchases
BlueTwo
No in-app purchases
OnlyStamps
No in-app purchases
