Comparison

Navisizer vs BlueBoost Mobile

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

Head to head
About

Navisizer

This app helps size domestic hot water heating systems for residential and commercial use. It calculates operating costs, savings, and generates comprehensive job specifications for Navien NPE Series tankless water heaters.

Highlights
  • Residential system sizing
  • Operating cost and savings calculation
  • Commercial application sizing (ASHRAE Hunter Curve)
  • Tankless and tankless with storage solutions
  • Comprehensive job specification output
  • Save, print, or email system specs
Features
Read full description

NaviSizer is designed to assist with sizing of domestic hot water heating systems with Navien NPE Series tankless water heaters. For residential applications, NaviSizer offers system sizing, calculation of operating cost and savings, and provides a comprehensive output to be used as a job spec. For commercial applications, NaviSizer uses ASHREA Hunter Curve calculations to size a broad range of applications. Both tankless and tankless with storage solutions are offered along with a comprehensive system spec that can be saved, printed, or emailed.

About

BlueBoost Mobile

This app streamlines documentation for service professionals during home visits. It uses AI to quickly generate estimates and invoices, automate customer responses, and organize all project details in one place. Enhance your professional image and save time on administrative tasks.

Highlights
  • AI-Powered Estimates & Invoices
  • Smart Automation for Customer Responses
  • Organized Project Dashboard
  • Professional Client Communication
  • Time-Saving Paperwork Automation
Features
Read full description

Blueboost is the all-in-one app designed for technicians and service professionals who need fast, reliable, and professional documentation during home visits. Powered by Artificial Intelligence, Blueboost helps you create accurate estimates and invoices in just a few taps. Key Features: - AI-Powered Estimates & Invoices: Generate professional documents instantly, reducing manual work. - Smart Automation: Automated responses to customer needs, saving you time and boosting efficiency. - Organized Projects: Keep track of all your visits, clients, and jobs in one simple dashboard. - Professional Image: Deliver polished and consistent communication that builds client trust. - Save Time: Focus on your technical work while Blueboost handles the paperwork.

Screenshots

Navisizer1 screens
BlueBoost Mobile4 screens

Verdict

The call

The clearest difference is review sentiment: BlueBoost Mobile at 100% against Navisizer's 13%. BlueBoost Mobile also leads on rating (5.0 vs 2.4) and update cadence (monthly vs every 4 months). Navisizer's advantage is ratings volume (26 vs 2). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

BlueBoost Mobile holds the better App Store score, 5.0 against 2.4. That said, the two scores are not equally well evidenced: Navisizer has 26 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 13% of Navisizer's written reviews are positive against 100% of BlueBoost Mobile's.

UpkeepUpdate frequency

Navisizer ships an update every 4 months, BlueBoost Mobile monthly. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
Navisizer versus BlueBoost Mobile: the parameters behind the verdict, then further details
ParameterNavisizerBlueBoost Mobile
PriceFreeFree
Rating2.4 (26 ratings)5.0 (2 ratings) — better
Positive reviews12.5% of reviews100.0% of reviews — better
Number of ratings26 — better2
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.215.1 — better
Further details — not scored
Size21 MB31 MB
Age rating4+17+
DeveloperNavienbluecollarai

Customer experience

Navisizer

All ratings26 ratings
Positive34.6%
Neutral0.0%
Negative65.4%
Written reviews16 reviews
Positive12.5%
Neutral0.0%
Negative87.5%

BlueBoost Mobile

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Navisizer

No in-app purchases

None

BlueBoost Mobile

No in-app purchases

Questions

Is Navisizer free?
Navisizer is free to download, with no in-app purchases.
Is BlueBoost Mobile free?
BlueBoost Mobile is free to download, with no in-app purchases.
Which has better reviews, Navisizer or BlueBoost Mobile?
BlueBoost Mobile is rated higher. Navisizer averages 2.4 out of 5 from 26 ratings, while BlueBoost Mobile averages 5.0 from 2 ratings.
Do Navisizer or BlueBoost Mobile have ads?
Neither Navisizer nor BlueBoost Mobile shows ads.
Which is updated more often, Navisizer or BlueBoost Mobile?
Navisizer ships an update every 4 months, and BlueBoost Mobile monthly. Most recently, Navisizer was updated on October 5, 2026 and BlueBoost Mobile on October 2, 2026.

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