telliSize vs ServiceDash
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Water heater application sizing
- Project schematics generation
- Plumbing layout creation
- Submittal package generation
- Real-world test data calculations
Read full descriptionHide 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.
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.
- 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
Read full descriptionHide 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
Verdict
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
Both are free to download. ServiceDash sells 4 in-app purchases, starting at $24.99 per month. telliSize asks for nothing beyond the download.
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.
telliSize ships an update every 9 months, ServiceDash weekly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | telliSize | ServiceDash |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 9 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 27.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | Intellihot | Irvinesoft Inc |
Customer experience
telliSize
ServiceDash
In-app purchases
telliSize
No in-app purchases
ServiceDash
- Pro$24.991 Month
- Team$49.991 Month
- Business$99.991 Month
Show 1 moreShow fewer
- Pro (Yearly)$199.991 Year
Questions
Is telliSize free?
Is ServiceDash free?
Which has better reviews, telliSize or ServiceDash?
Do telliSize or ServiceDash have ads?
Which is updated more often, telliSize or ServiceDash?
Other comparisons















