VIKI KNOWS vs Todo Flow
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
VIKI KNOWS
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VIKI Knows allows you to control the devices in your smart house. Equipped with artificial imitative intelligence the house adapts to and continually learns the behavior of the users accessing it. The following facilities are available: > Lights Control (Switch, Dimmer, RGBW) > Multimedia Control (TV on / off switch, TV Channels switch, TV Volume control) > Climate Control (Heating, Cooling, Ventilation, Humidification, Dehumidification, Shading) > Security - Access Control (Door Lock control) Implemented using Z-Wave wireless technology, the solution can be installed in new houses, houses under construction and houses in use, just as well, without requiring substantial changes to any of them. Interested in the product? For more details on VIKI - the smart home that learns your habits, suggestions or questions, please send an email to contact@vikiknows.com. The project is being developed by QSound Soft and Napoca Software, companies based in Cluj-Napoca, Romania.
Todo Flow
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Meet TodoFlow โ the beautifully designed daily planner that brings tasks, calendar, and diary together in one seamless app. WHY TODOFLOW? Most productivity apps overwhelm you with complexity. TodoFlow is different. We believe that staying organized should feel effortless โ not like another chore. With its clean iOS-inspired design, smart templates, and integrated mood diary, TodoFlow helps you plan your day in seconds and reflect on it in peace. KEY FEATURES โข SMART TASK MANAGEMENT Create tasks with priorities, categories (Work, Personal, Health, Shopping, Travel & more), due dates, and recurring reminders. Sort by deadline, priority, or alphabetically โ your way. โข 9 READY-TO-USE TEMPLATES Skip typing. Add tasks instantly with templates: Daily Workout, Walk the Pet, Drink Water, Write Diary, Read Books, Grocery Shopping, and more. Tap to create, customize the time and frequency, done. โข PIN-PROTECTED MOOD DIARY Your journal, your privacy. Set a 4-digit PIN to lock your diary. Track your mood with 6 emotion tags (Happy, Calm, Sad, Angry, Tired, Loved), write daily entries, and browse your history โ all encrypted locally. โข COMPLETION STATS & PROGRESS Stay motivated with real-time stats: completion rate, active tasks, high-priority items, and progress bars. Small wins, celebrated daily. โข 100% PRIVATE All your data โ tasks, diaries, and PIN โ stays on your device. No accounts, no cloud, no tracking. Your life, your device, your privacy. PERFECT FOR โข Daily planning & task lists โข Habit tracking & routine building โข Private journaling & mood tracking โข Freelancers tracking projects โข Anyone who loves a clean, minimal interface Download TodoFlow and start your most organized day yet.
Screenshots
Verdict
The clearest difference is update cadence: Todo Flow at every 3 weeks against VIKI KNOWS's every 2 months. VIKI KNOWS's advantage is iOS requirement (11.3 vs 16). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
VIKI KNOWS ships an update every 2 months, Todo Flow every 3 weeks. Both last shipped on October 15, 2026.
| Parameter | VIKI KNOWS | Todo Flow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 3 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 11.3 โ better | 16 |
| Further details โ not scored | ||
| Size | 113 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | VIKIKNOWS | Chengdu Dance Elephant Technology Co., LTD. |
In-app purchases
VIKI KNOWS
No in-app purchases
Todo Flow
No in-app purchases









