Comparison

ViGuide vs OtoDefter

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

Head to head
About

ViGuide

Streamline the process of commissioning Viessmann boilers with this user-friendly mobile application. It guides trained professionals through each step, ensuring a safe, efficient, and complete installation.

Highlights
  • Streamlined boiler commissioning
  • User-friendly mobile interface
  • Step-by-step guidance
  • Ensures complete and correct steps
  • Efficient installation process
Features
Read full description

ViGuide - the best way to commission a Viessmann boiler • Please note this app is intended only for trained professionals. If you are not certified to install and commission a Viessmann product, please call your local installer or contact us to help you find a Viessmann partner in your area. • It’s time for a new start We have completely streamlined boiler commissioning and moved the process to a user-friendly mobile app. In a couple of simple steps, ViGuide will safely guide you through the process of commissioning a Viessmann boiler. Even you are new to the Viessmann boiler model, the simplified app allows you to carry out the steps with ease, as efficiently as possible and in less time. The app will guide you step-by-step through the commissioning process and thus ensures that all necessary commissioning steps are carried out completely and in the correct order.

About

OtoDefter

Features
Read full description

Track your vehicle’s maintenance, expenses and important dates in one place with OtoDefter. • Service log: record oil, tire, brake, insurance and other service work with a date, mileage and amount • Fuel tracking: quick entries and automatic average consumption in L/100 km • Reminders: notifications three days before insurance, inspection and scheduled maintenance dates • Widget: upcoming reminders on your Home Screen • Statistics: monthly expense charts and cost per kilometer Works offline. When iCloud is available, your records can also sync through your private iCloud account. No separate app account is required. OTODEFTER PRO Unlimited vehicles, monthly expense charts and CSV export. MONTHLY PREMIUM Monthly Premium provides the Pro features above while your subscription is active. The one-time Pro purchase option is also available. The subscription renews each month at the local price shown in the app. Any introductory offer you are eligible for is displayed before purchase. Payment is charged to your Apple account. Your subscription renews automatically unless canceled at least 24 hours before the current period ends. Manage or cancel it in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://efealtiparmakoglu.bananashosting.com/otodefter/privacy.html

Screenshots

ViGuide4 screens
OtoDefter3 screens

Verdict

The call

The clearest difference is in-app purchases: ViGuide at none against OtoDefter's 2. OtoDefter's advantage is update cadence (every 6 days vs every 5 weeks). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OtoDefter sells 2 in-app purchases, starting at $1.99 per month. ViGuide asks for nothing beyond the download.

UpkeepUpdate frequency

ViGuide ships an update every 5 weeks, OtoDefter every 6 days. The most recent releases landed on November 2, 2026 and October 29, 2026 respectively.

Scorecard2 real differences · 8 level
ViGuide versus OtoDefter: the parameters behind the verdict, then further details
ParameterViGuideOtoDefter
PriceFreeFree
Rating4.5 (208 ratings) — better—
Positive reviews40.5% of reviews—
Number of ratings208 — better—
Update frequencyEvery 5 weeksEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size1.5 GB1 MB
Age rating4+4+
DeveloperViessmann IT Service GmbHEFE ALTIPARMAKOGLU

Bugs and requests

ViGuide

Reported bugs

36 issues
  • Login screen flashes and exits
  • Unable to connect or commission v100
  • Mennekes Amtron 4you500 cannot be integrated
  • BCU flash takes too long
  • App not working on iPhone 16
Show 31 more
  • Cannot log in with iPhone 16 Pro
  • QR code not working on iPhone 16 Pro
  • Impossible to commission devices, errors persist
  • Kicked out when programming boiler
  • Cannot log in
  • EMS configuration not working properly
  • QR function and connection fail multiple times
  • Heating temperature adjusts on its own
  • Cannot connect Vitocol to boiler
  • Only installer can pair Viessmann
  • Vitocal 250 SH cannot be commissioned via app
  • App crashes
  • Update function for heat pumps stopped working
  • Missing parameters for pumps
  • App doesn't work after update
  • Cannot connect device
  • App locks homeowners out
  • Setup not self-explanatory
  • App is a catastrophe for spare part replacement
  • App freezes on Viessmann logo
  • App starts only after reinstallation
  • App doesn't start anymore
  • Reduced functionality after update
  • App doesn't start after last update
  • Application bugs during commissioning
  • Cannot commission boiler with Vitotrol 300
  • App doesn't recognize Vitotrol 300
  • App doesn't recognize Vitodens 111w
  • App closes immediately on iPad mini
  • Cannot commission boiler with Vitotrol 300
  • System, heating circuit, hot water tiles not displayed correctly

Requested features

16 requests
  • Add real-time flow temperature
  • Add target temperature display
  • Support for landscape mode on iPad
  • Include Anlage location in protocol
  • Expand to entire product program
Show 11 more
  • Add acceptance protocols
  • Add troubleshooting help
  • Support for Vitocal series
  • Restore homeowner access to ViGuide
  • Allow manual boiler pairing option
  • Add warranty link
  • Allow setting circulation pump timing
  • Improve EMS configuration display
  • Add simple diagnosis for offline systems
  • Add support for Mennekes wallbox
  • Add QR code location guidance

OtoDefter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ViGuide

No in-app purchases

2 purchases

OtoDefter

Subscriptions1
  • OtoDefter Premium1 Month trial$1.991 Month
One-time1
  • OtoDefter Pro$2.99

Questions

Is ViGuide free?
ViGuide is free to download, with no in-app purchases.
Is OtoDefter free?
OtoDefter is free to download, with in-app purchases available.
Do ViGuide or OtoDefter have ads?
Neither ViGuide nor OtoDefter shows ads.
Which is updated more often, ViGuide or OtoDefter?
ViGuide ships an update every 5 weeks, and OtoDefter every 6 days. Most recently, ViGuide was updated on November 2, 2026 and OtoDefter on October 29, 2026.

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