Comparison

KNX APP vs D1

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

Head to head
About

KNX APP

Control your home or office remotely with custom scenes and time programs. Manage lighting, temperature, security, and more. Offers live previews, camera control, and push notifications for alarms.

Highlights
  • Custom scene creation
  • Time program management
  • Lighting and blind control
  • Temperature management
  • IP camera pan, tilt, zoom
  • Alarm notifications
  • PIN page protection
Features
Read full description

The KNX APP-Control app is a client for the KNX APP-Control Server. Controlling your home or office was never so fast and easy. Build your own scenes and time programs for your home and change them when ever you want. Lighting control, blind control, temperature control, energy management, EV-Charger, timers, IP cameras, alarm notifications, charts and much more. A selection of the features: • change scenes directly from within the app • optional "live preview" of the scenes • add new time programms, change them or remove them • pan, tilt and zoom support for IP cameras • multiple accounts support • multiple visualizations support  • alarm messages with support for push messages and email • protect pages with a PIN

About

D1

Features
Read full description

D1 (Day One) is your companion for building better habits and finishing meaningful challenges without the boring checklist vibe. What you can do: - Track daily activities across areas that matter to you - like mental focus, workouts, and personal goals - with quick, one-tap logging. - Create personal challenges with clear targets and see progress add up over time. - Stay motivated with streaks so consistency feels rewarding, not punishing. - Earn trophies and achievements as you hit milestones - small wins count. - Join communities and take part in group challenge pools, see how others are progressing, and use leaderboards for friendly accountability. - Celebrate completions with satisfying feedback when you finish activities and challenges. Whether you’re rebuilding a routine or going after a big multi-week goal, D1 helps you show up, track what counts, and keep momentum - starting from day one. D1 Pro - subscription details - Name: D1 Pro (Join D1 Pro Monthly) - Length: 1 month, auto-renewing - Price: shown in the app in your local currency before you confirm Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period. You can manage or cancel it any time in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://join-d1.com/privacy-policy

Screenshots

KNX APP4 screens
D14 screens

Verdict

The call

The clearest difference is in-app purchases: KNX APP at none against D1's 9. KNX APP also leads on ads (none vs shown) and device support (4 vs 2). D1's advantage is update cadence (every 2 weeks vs every 5 months). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. D1 sells 9 in-app purchases, starting at $5.99 per month. KNX APP asks for nothing beyond the download.

UpkeepUpdate frequency

KNX APP ships an update every 5 months, D1 every 2 weeks. The most recent releases landed on September 26, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
KNX APP versus D1: the parameters behind the verdict, then further details
ParameterKNX APPD1
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 5 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size104 MB73 MB
Age rating4+4+
DeveloperBusch-Jaeger Elektro GmbHRon Azogui

In-app purchases

None

KNX APP

No in-app purchases

9 purchases

D1

Subscriptions1
  • Join D1 Pro$5.991 Month
One-time8
  • Mentor Tier 1$0.99
  • Mentor Tier 2$2.99
  • Mentor Tier 3$3.99
Show 5 more
  • Mentor Tier 4$5.99
  • Mentor Tier 5$14.99
  • Mentor Tier 6$29.99
  • Mentor Tier 7$39.99
  • Mentor Tier 8$59.99

Questions

Is KNX APP free?
KNX APP is free to download, with no in-app purchases.
Is D1 free?
D1 is free to download, with in-app purchases available.
Do KNX APP or D1 have ads?
D1 shows ads; KNX APP does not.
Which is updated more often, KNX APP or D1?
KNX APP ships an update every 5 months, and D1 every 2 weeks. Most recently, KNX APP was updated on September 26, 2026 and D1 on October 6, 2026.

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