Comparison

telliSize vs ServiceDash

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

Head to head
About

telliSize

Quickly size water heater applications and generate project schematics, plumbing layouts, and submittals. Calculations are based on real-world test data and proven sizing methods.

Highlights
  • Water heater application sizing
  • Project schematics generation
  • Plumbing layout creation
  • Submittal package generation
  • Real-world test data calculations
Features
Read full description

The Intellihot app helps you size various applications in minutes and identify the right water heaters for your application. Simply enter basic details about the project and instantly generate project schematics, plumbing layouts, and submittals. Our calculations are backed by real world test data and proven sizing methods.

About

ServiceDash

Manage your entire field service operation from a single application. Streamline quoting, scheduling, dispatching, work order tracking, and invoicing. Accept payments and communicate with clients seamlessly.

Highlights
  • Professional quotes and estimates
  • Drag-and-drop scheduling and dispatch
  • Work order tracking with checklists
  • Invoice creation and payment acceptance
  • Customer appointment confirmations
  • Client and property history tracking
  • Team collaboration and permissions
Features
Read full description

Run your field service business from one app. ServiceDash is the all-in-one field service and dispatching app for growing teams. Create quotes, appointments, schedule jobs, dispatch technicians, track work orders, send invoices, and get paid all in one place. Perfect for HVAC, plumbing, electrical, cleaning, landscaping, handyman, pest control, appliance repair, and other on-site trades. All-in-One for Office & Field - Quotes & Estimates: Build professional estimates with line items, photos, and notes. Convert to jobs in a tap. - Scheduling & Dispatch: Drag-and-drop calendar with day/week/map views. Assign by skill, location, availability. - Work Orders: Job checklists, parts, time logs, and status tracking keep every visit on track. - Invoices & Payments: Auto-create invoices from completed jobs. Accept card payments and deposits. - Customer Appointments & Communication: SMS/email confirmations, reminders, and “on my way” updates. - CRM & History: Keep full client, property, and asset history: quotes, jobs, invoices, and payments. Team Tools:  - Technician routes, job details, photos, notes, and customer signatures from the app. - Insights: Job profitability snapshots and performance reporting help you make better decisions. Built for Mobile Teams - Fast, reliable sync across mobile phones and desktop app (website). - Roles & permissions for admins, office staff, and techs Start today with ServiceDash. Quote faster, schedule smarter, and get paid sooner. Terms of use: https://account.ivsapi.com/#/termsofuse Privacy policy: https://account.ivsapi.com/#/privacy

Screenshots

telliSize4 screens
ServiceDash4 screens

Verdict

The call

The clearest difference is in-app purchases: telliSize at none against ServiceDash's 4. ServiceDash's advantage is update cadence (weekly vs every 9 months) and iOS requirement (17.0 vs 27.0). On price, rating, ratings volume and ads 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. ServiceDash sells 4 in-app purchases, starting at $24.99 per month. telliSize asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for telliSize against 5.0 for ServiceDash. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

UpkeepUpdate frequency

telliSize ships an update every 9 months, ServiceDash weekly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 5 level
telliSize versus ServiceDash: the parameters behind the verdict, then further details
ParametertelliSizeServiceDash
PriceFreeFree
Rating5.0 (3 ratings)5.0 (2 ratings)
Number of ratings3 — better2
Update frequencyEvery 9 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS27.017.0 — better
Further details — not scored
Size16 MB81 MB
Age rating4+4+
DeveloperIntellihotIrvinesoft Inc

Customer experience

telliSize

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

ServiceDash

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

telliSize

No in-app purchases

4 purchases

ServiceDash

Subscriptions4
  • Pro$24.991 Month
  • Team$49.991 Month
  • Business$99.991 Month
Show 1 more
  • Pro (Yearly)$199.991 Year

Questions

Is telliSize free?
telliSize is free to download, with no in-app purchases.
Is ServiceDash free?
ServiceDash is free to download, with in-app purchases available.
Which has better reviews, telliSize or ServiceDash?
telliSize and ServiceDash are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.
Do telliSize or ServiceDash have ads?
Neither telliSize nor ServiceDash shows ads.
Which is updated more often, telliSize or ServiceDash?
telliSize ships an update every 9 months, and ServiceDash weekly. Most recently, telliSize was updated on November 2, 2026 and ServiceDash on October 30, 2026.

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