Comparison

Mike Holt's Electrical Toolbox vs Smart Flow Metering

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

Head to head
About

Mike Holt's Electrical Toolbox

This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.

Highlights
  • Conductor sizing
  • Voltage drop limitations
  • Circuit protection sizing
  • Race sizing
  • Equipment grounding conductor sizing
  • Dwelling-unit service calculations
Features
Read full description

Mike Holt, the industry leader in the electrical industry (MikeHolt.com) has created an amazing, practical and useful app for the electrician, inspector, instructor, contractor and engineer. The app contains conductor sizing (including voltage drop limitations), circuit protection sizing, race sizing, equipment grounding conductor sizing for electric heating equipment (commercial and Residential), air-conditioning equipment (commercial and Residential), motors (commercial and Residential), Transformers (commercial) , and dwelling-unit service calculations and sizing.

About

Smart Flow Metering

Features
Read full description

Smart Flow makes utility meter management simple, transparent, and convenient for landlords and tenants. Whether you manage multiple properties or need an easier way to top up your meter, Smart Flow brings essential meter information, payments, statements, and alerts together in one place. FOR LANDLORDS • View your properties and connected mother meters • Monitor prepaid and postpaid utility accounts • Review balances, collections, settlements, and other charges • View active and inactive sub-meters • Track meter transactions and account activity • Access detailed statements and financial summaries • Receive important account and meter notifications • Manage multiple properties and utility accounts from one app FOR TENANTS • Access a sub-meter using its meter number • Purchase prepaid tokens using M-Pesa STK Push • View recent purchases and payment history • Review purchased units and monthly totals • Access previously issued tokens • Add and manage multiple meters • Receive useful payment and meter updates STAY INFORMED Smart Flow helps you understand what is happening across your utility accounts. Clear summaries and detailed records make it easier to follow payments, purchases, balances, and meter activity. GET HELP WHEN YOU NEED IT Access support and contact Smart Flow Metering directly from the app for account, payment, billing, or meter-related assistance. Smart Flow is designed for customers who use compatible meters and have services managed through Smart Flow Metering Ltd. Some features may depend on your meter type, account configuration, and service availability.

Screenshots

Mike Holt's Electrical Toolbox4 screens
Smart Flow Metering4 screens

Verdict

The call

The clearest difference is update cadence: Smart Flow Metering at monthly against Mike Holt's Electrical Toolbox's every 3 months. Mike Holt's Electrical Toolbox's advantage is iOS requirement (14.0 vs 16.4). On price, ads, in-app purchases and device support 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

Mike Holt's Electrical Toolbox ships an update every 3 months, Smart Flow Metering monthly. Both last shipped on November 6, 2026.

Scorecard2 real differences · 8 level
Mike Holt's Electrical Toolbox versus Smart Flow Metering: the parameters behind the verdict, then further details
ParameterMike Holt's Electrical ToolboxSmart Flow Metering
PriceFreeFree
Rating4.6 (198 ratings) — better—
Positive reviews76.7% of reviews—
Number of ratings198 — better—
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.4
Further details — not scored
Size26 MB56 MB
Age rating4+4+
DeveloperMike Holt EnterprisesKulmi Digital Agency Limited

Bugs and requests

Mike Holt's Electrical Toolbox

Reported bugs

4 issues
  • Cannot email results
  • Video player widescreen exit bug
  • Previous calculation data not erased
  • App content is outdated

Requested features

6 requests
  • Increase transformer capacity to 225kva
  • Add option to print load calc
  • Update to NEC 2020
  • Add completion system for video series
  • Refine user interface for better usability
Show 1 more
  • Add more features, willing to pay extra

Smart Flow Metering

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mike Holt's Electrical Toolbox

No in-app purchases

None

Smart Flow Metering

No in-app purchases

Questions

Is Mike Holt's Electrical Toolbox free?
Mike Holt's Electrical Toolbox is free to download, with no in-app purchases.
Is Smart Flow Metering free?
Smart Flow Metering is free to download, with no in-app purchases.
Do Mike Holt's Electrical Toolbox or Smart Flow Metering have ads?
Neither Mike Holt's Electrical Toolbox nor Smart Flow Metering shows ads.
Which is updated more often, Mike Holt's Electrical Toolbox or Smart Flow Metering?
Mike Holt's Electrical Toolbox ships an update every 3 months, and Smart Flow Metering monthly. Most recently, Mike Holt's Electrical Toolbox was updated on November 6, 2026 and Smart Flow Metering on November 6, 2026.

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