Mailbutler mobile vs LumiSync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mailbutler mobile
Enhance your email productivity on the go with this app. Track email opens, manage contacts, and organize tasks and notes. Collaborate with your team by sharing essential information.
- Email Tracking
- Contact Management
- Task Management
- Note Taking
- Team Collaboration
- Email Insights
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This is Mailbutler, the companion app to our popular email extension which makes your inbox smarter. Mailbutler gives you everything you need to maximize your productivity and keep your email on point. It offers a multitude of useful, productivity-boosting features, and with our companion app, you can use our features on the go, never missing a trick. An extension of our desktop email app, it brings all of your tracking and insights features to your mobile, meaning you can send emails on your desktop and follow their progress on your phone. Features include: • Email Tracking: More information needed? Send tracked emails from your mobile phone and use the app to find out when, where, and how often your email or link was opened • Contacts: See all information about your contacts in the same place. Get essential insights into your contacts to maintain peak customer communication • Tasks: Always remember to take action. Attach to-do items to your contacts and emails. • Notes: Add notes to your emails and contacts so you never forget any information. • Collaborators: Be consistent. Share contacts, notes, tasks, signatures, templates and more across your whole team === Who is Mailbutler for? === • Freelancers, independent professionals, and marketers • Businesses, marketing teams, and sales teams which prioritise direct client communication • Teams which need clear, easy, and productive internal communication • Productivity-lovers who want to achieve more with emails and reach Inbox Zero! === Why Mailbutler? === • Focus on important projects and improve time management without distractions • Includes a wide range of useful features and our desktop version has affordable plans for every business’s needs • Mailbutler never accesses or reads your emails • Ensures your emails are the best they can possibly be • Helps you to improve your customer communication and build new prospects, clients and contacts === Testimonials === “Without a doubt, I recommend Mailbutler. It’s revolutionized my inbox.” Hollie Barac, Accountability and Productivity Partner “Mailbutler’s support feels personal and it’s what sets them apart from so many other companies.” Craig Bowman, President of Common Ground Consulting “With Email Tracking I can focus my energy on serving clients instead of chasing emails.” Charlene Brown, Owner of Bklyn Custom Designs “The ability to add notes and tasks directly in my email client is very helpful and I’ve never seen another program that offers this feature in such an integrated way.” Jeff Sanders, Productivity Coach === Why wait? Get Mailbutler right now === The Mailbutler mobile app is free, but you need to have the desktop version of Mailbutler to be able to use it. All new Mailbutler users get a 14-day free trial so they can try out all our features and decide which plan is the best for them, and we don’t require any credit cards details until you subscribe to a plan, so you can opt out at any time! Mailbutler Tracking Plan - Basic email and link tracking for people who just want to track their emails - €3,95 per month/€39,50 per year Mailbutler Professional Plan - For professionals who want to better organize their inbox – €7,95 per month/€79,50 per year Mailbutler Smart Plan - For heavy email users who need advanced inbox features - €12,95 per month/€129,50 per year Mailbutler Business Plan - The full package for teams that want the definitive email productivity extension – €29,95 per month/€299,50 per year Privacy Policy: https://www.mailbutler.io/privacy-policy/ Terms of Service: https://www.mailbutler.io/terms-and-conditions/ === Got questions? === Contact us anytime at support@mailbutler.io === Connect with us! === Facebook: https://www.facebook.com/mailbutler/ Twitter: https://twitter.com/mailbutler LinkedIn: https://www.linkedin.com/company/mailbutler-gmbh/
LumiSync
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The Ultimate Remote Stroboscope App for Physics Experiments Enhance your physics experiments and educational activities with LumiSync, a versatile stroboscope app designed specifically for students, educators, and amateur scientists. Transform your iPhone into a precise tool for studying light, motion, and wave phenomena, complete with customizable strobe and solid light settings. Key Features: - Precise Frequency Control (1-60 Hz): Adjust the strobe’s frequency with high accuracy to study periodic motion, resonance, and wave phenomena. Explore the effects of different strobe frequencies on moving objects and analyze motion in real time. - Solid Light Mode (Screen & LED): In addition to strobe effects, LumiSync provides a continuous, solid light source. Choose any color for the screen to explore the visible light spectrum, and utilize the iPhone’s LED flashlight for bright, white light. - Customizable Screen Light Colors: Experiment with different colors on the screen to study wavelength, diffraction, refraction, and other light-related concepts. Perfect for classroom demonstrations or personal learning. - Brightness Adjustment for Optimal Conditions: Control the brightness of the screen to suit different experimental environments, ensuring precise lighting whether you’re in a bright lab or a dark room. - Remote Control via Web Portal: Conduct hands-free experiments with LumiSync’s web-based remote control. Each user receives a unique 6-character code, allowing them to control the app remotely—ideal for group experiments or educational demonstrations. - Dark Mode UI: LumiSync’s sleek dark mode ensures a comfortable experience in low-light environments, reducing screen glare and making it easier to focus on your experiments. Educational and Experimental Applications: - LumiSync is designed to be a valuable tool for physics and science education: - Wave and Motion Studies: Use the strobe function to visualize wave patterns, harmonic oscillations, and the motion of rotating objects. Investigate the relationship between frequency and motion in real time. - Color and Light Exploration: Experiment with solid light in various colors on the screen to explore concepts such as the visible spectrum, light absorption, and color theory. Switch between the customizable screen and the white LED flashlight for diverse lighting effects. - Motion Analysis: The strobe function enables high-frequency flashing, helping you freeze and slow down the motion of fast-moving objects, making it easier to analyze rotational or oscillatory motion in physics experiments. - Remote Learning and Classroom Demonstrations: LumiSync’s remote control feature, accessible via the web, allows teachers and students to control the app from any device, facilitating hands-free demonstrations and distance learning. Download LumiSync today and take your physics experiments to the next level with the power of light!
Screenshots
Verdict
The clearest difference is price: Mailbutler mobile at Free against LumiSync's $0.99. LumiSync's advantage is in-app purchases (none vs 6). On update cadence, ads, device support 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
Mailbutler mobile is free to download; LumiSync costs $0.99 up front. Mailbutler mobile sells 6 in-app purchases, starting at $8.49 per month. LumiSync asks for nothing beyond the download.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.
| Parameter | Mailbutler mobile | LumiSync |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.8 (126 ratings) — better | — |
| Positive reviews | 78.1% of reviews | — |
| Number of ratings | 126 — better | — |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 19 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Mailbutler GmbH | Erfan Reed |
Bugs and requests
Mailbutler mobile
Reported bugs
4 issues- Constant login issues on iOS
- Flashing/blinking screen on iOS
- Doesn't work properly with Gmail on iOS
- Doesn't work anymore on iOS or Mac
Requested features
6 requests- Split screen functionality on iPad
- Ability to set reminders for incoming emails
- Full integration with iOS Mail app
- Ability to send tracked emails from iOS
- More a-la-carte feature options
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- Better iPad optimization
LumiSync
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mailbutler mobile
- Professional (Monthly)$8.491 Month
- Professional+ (Monthly)$14.991 Month
- Business (Monthly)$31.991 Month
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- Professional (Yearly)$86.991 Year
- Professional+ (Yearly)$149.991 Year
- Business (Yearly)$329.991 Year
LumiSync
No in-app purchases









