Comparison

Sigma Mini vs STOA Maintech

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

Head to head
About

Sigma Mini

This utility app connects to a specific hardware device for enhanced functionality. It allows users to interact with and control the connected device, providing a seamless experience for its intended purpose. The application is designed for users who own the associated hardware.

Highlights
  • Connects to Sigma Metalytics Mini
  • Device interaction and control
  • Enhanced functionality for users
  • Seamless user experience
Features
Read full description

App to be used with the Sigma Metalytics Mini

About

STOA Maintech

Report maintenance issues quickly by submitting a photo and description. Service technicians are dispatched to your location for repairs.

Highlights
  • Submit maintenance requests
  • Attach photos to requests
  • Brief description of issue
  • Service technician dispatch
  • On-site repair services
Read full description

Have a maintenance issue? Our service technicians are here to help the moment you submit your request. Snap a photo, provide a brief description, and a STOA tech will be on their way to make your repair.

Screenshots

Sigma Mini4 screens
STOA Maintech4 screens

Verdict

The call

The clearest difference is iOS requirement: Sigma Mini at 11.0 against STOA Maintech's 26.0. On price, rating, ratings volume and update cadence 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

On the App Store both sit at effectively the same score — 5.0 for Sigma Mini against 5.0 for STOA Maintech. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

Scorecard1 real difference · 9 level
Sigma Mini versus STOA Maintech: the parameters behind the verdict, then further details
ParameterSigma MiniSTOA Maintech
PriceFreeFree
Rating5.0 (2 ratings)5.0 (4 ratings)
Positive reviews37.5% of reviews—
Number of ratings24 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better26.0
Further details — not scored
Size6 MB35 MB
Age rating4+4+
DeveloperRichard BessetteStoa Technologies

Customer experience

Sigma Mini

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive37.5%
Neutral12.5%
Negative50.0%

STOA Maintech

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Sigma Mini

No in-app purchases

None

STOA Maintech

No in-app purchases

Questions

Is Sigma Mini free?
Sigma Mini is free to download, with no in-app purchases.
Is STOA Maintech free?
STOA Maintech is free to download, with no in-app purchases.
Which has better reviews, Sigma Mini or STOA Maintech?
Sigma Mini and STOA Maintech are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.
Do Sigma Mini or STOA Maintech have ads?
Neither Sigma Mini nor STOA Maintech shows ads.
Which is updated more often, Sigma Mini or STOA Maintech?
Sigma Mini ships an update every 2 months, and STOA Maintech every 2 months. Most recently, Sigma Mini was updated on October 1, 2026 and STOA Maintech on October 11, 2026.

Other comparisons