Comparison

Propeller vs HMF Engineer

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

Head to head
About

Propeller

This app streamlines field service operations for businesses with mobile engineers. It allows for electronic completion of all paperwork, job management, and real-time data syncing with an online portal. Secure cloud storage ensures compliance and eliminates lost documents.

Highlights
  • Real-time job information access
  • Electronic document creation
  • Customer database management
  • Job scheduling and diary management
  • Access to manufacturer literature
  • Photo documentation of work
  • Industry-standard certification generation
Features
Read full description

The Propeller Job Management System provides an essential software solution for any sized business with field-based engineers and compliance requirements. Propeller enables engineers to view and manage their daily operations from their mobile device and complete all their paperwork electronically from site, such as compliance certificates, quotations and invoices. The app can provide full or limited access to your customer database and allows jobs to be raised, scheduled and completed through the app from any location, on or offline. Information can be easily shared via email to clients and colleagues and is also instantly synced with the Propeller online portal, meaning office administrators can have real-time access to job data. For peace of mind, all data is stored for as long as required on your own Propeller data cloud, facilitating compliance with industry requirements and making lost paperwork a thing of the past. The Propeller app supports multiple trades and also supports corporate and social housing service and maintenance contracts. Features include personal access and reports for landlords and letting agents to keep them easily up to date with the process of their works. General App Features • Access up-to-date job information in real time synced via the cloud • Create all documentation electronically • Access and update your customer database • Raise jobs and manage your diary from the road • Instant access to manufacturer’s literature – Boiler manuals etc. • Time sheets • Document your work with photos • Access your full job history • View, print or email documents from device • Generate industry-standard or bespoke certification Service Industries Covered as Standard Domestic Gas Commercial Gas Oil Electrical Legionella Property Maintenance Bespoke Services Sectors and Documentation Available on Request

About

HMF Engineer

Connects tenants and homeowners with qualified tradespeople for remote maintenance issue resolution via video chat. This platform offers landlords and property professionals a first-response triage service to save money, increase income, and reduce workload.

Highlights
  • Video-chat maintenance resolution
  • Connects tenants to tradespeople
  • Landlord and property manager controls
  • Fixed price calling
  • PDF job reports and invoicing
  • Vetted and experienced engineers
Features
Read full description

Help me Fix is the video-chat maintenance platform that connects tenants and homeowners to qualified tradespeople via video to resolve simple maintenance issues in the home. Primarily built for landlords, tenants and property professionals, Help me Fix is a first-response triage service that saves money for landlords, increases passive income for agents, reduces workload and stress for property managers, and eliminates waiting times for tenants. Help me Fix is a ‘first of its kind’ prop-tech innovation where landlords and managing agents have complete control over their maintenance process. Engineer job reporting is unbiased and instant and tenants are connected within minutes. Some features of the help me Fix service are: Landlord and Property Manager call authorisation - Fixed price calling - PDF Job reports - PDF Invoicing - Time-based call authorisation - Maximum number of per tenant - Maximum cost per call - Insurance claim management support All these features and more, mean that Landlords and Managing Agents can sleep at night without worrying that their tenants cannot get help with a maintenance emergency. Trade Categories include but are not limited to: - Plumbing - Electrical - Gas - Heating - Appliances - Drainage - Roofing All Help me Fix engineers are individually vetted and interviewed before joining the Help me Fix platform and have a minimum of 5 years on job experience. Our professional indemnity insurance covers all engineers in the event that the advice given results in an unforeseen outcome. Whatever the issue, we’ve got you covered…

Screenshots

Propeller3 screens
HMF Engineer3 screens

Verdict

The call

The clearest difference is update cadence: Propeller at fortnightly against HMF Engineer's every 2 months. Propeller also leads on iOS requirement (12.0 vs 15.0). 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.

UpkeepUpdate frequency

Propeller ships an update fortnightly, HMF Engineer every 2 months. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 8 level
Propeller versus HMF Engineer: the parameters behind the verdict, then further details
ParameterPropellerHMF Engineer
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—2 — better
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size83 MB60 MB
Age rating4+4+
DeveloperPropeller Powered LtdTrade Innovations Ltd.

Customer experience

Propeller

Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

HMF Engineer

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

In-app purchases

None

Propeller

No in-app purchases

None

HMF Engineer

No in-app purchases

Questions

Is Propeller free?
Propeller is free to download, with no in-app purchases.
Is HMF Engineer free?
HMF Engineer is free to download, with no in-app purchases.
Do Propeller or HMF Engineer have ads?
Neither Propeller nor HMF Engineer shows ads.
Which is updated more often, Propeller or HMF Engineer?
Propeller ships an update fortnightly, and HMF Engineer every 2 months. Most recently, Propeller was updated on September 9, 2026 and HMF Engineer on September 19, 2026.

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