Comparison

Skylink vs Fits and Tolerances

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

Head to head
About

Skylink

Manage your digital signage with this app. View signs on a map, check current values, locate errors, and update configurations remotely. Designed for customers of a specific electronic display corporation.

Highlights
  • Digital map view of signs
  • View current sign values
  • Locate sign errors
  • Change sign configuration
  • Update sign values
Features
Read full description

Skylink is an application for customers of Sunshine Electronic Display Corporation to manage their signage using Sunshine’s proprietary technology.  Customers will be able to view their signs on a digital map, see current values of signs, locate sign errors, change configuration, and update values.

About

Fits and Tolerances

Features
Read full description

Fits & Tolerances is a practical engineering tool for looking up dimensional tolerances and calculating mechanical fits according to ISO 286-2. KEY FEATURES • Look up standard hole and shaft tolerances for nominal sizes up to 3,150 mm. • View upper and lower deviations, tolerance values, and resulting limit dimensions. • Calculate complete hole-basis and shaft-basis fits. • Determine maximum and minimum clearance or interference. • Identify clearance, transition, and interference fits. • Explore commonly used fit recommendations and their typical applications. • Quickly revisit the 10 most recent tolerance lookups and the 10 most recent fit calculations. • Expand history entries to review complete calculation details. • Perform core calculations directly on your device. DESIGNED FOR • Mechanical engineers • Manufacturing and machining professionals • Technical students and instructors • Designers working with shafts, holes, and precision assemblies The app provides a clear and convenient reference for engineering calculations. Results should be verified against the applicable technical requirements before being used for critical manufacturing or inspection decisions. Advertising helps keep the app available free of charge.

Screenshots

Skylink4 screens
Fits and Tolerances4 screens

Verdict

The call

The clearest difference is update cadence: Fits and Tolerances at fortnightly against Skylink's every 2 months. 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

Skylink ships an update every 2 months, Fits and Tolerances fortnightly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 8 level
Skylink versus Fits and Tolerances: the parameters behind the verdict, then further details
ParameterSkylinkFits and Tolerances
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.217.0 — better
Further details — not scored
Size6 MB7 MB
Age rating4+4+
DeveloperSunshine Electronic Display CorporationHung Nguyen

In-app purchases

None

Skylink

No in-app purchases

None

Fits and Tolerances

No in-app purchases

Questions

Is Skylink free?
Skylink is free to download, with no in-app purchases.
Is Fits and Tolerances free?
Fits and Tolerances is free to download, with no in-app purchases.
Do Skylink or Fits and Tolerances have ads?
Neither Skylink nor Fits and Tolerances shows ads.
Which is updated more often, Skylink or Fits and Tolerances?
Skylink ships an update every 2 months, and Fits and Tolerances fortnightly. Most recently, Skylink was updated on October 29, 2026 and Fits and Tolerances on October 25, 2026.

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