Skylink vs Fits and Tolerances
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Digital map view of signs
- View current sign values
- Locate sign errors
- Change sign configuration
- Update sign values
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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.
Fits and Tolerances
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Skylink | Fits and Tolerances |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Sunshine Electronic Display Corporation | Hung Nguyen |
In-app purchases
Skylink
No in-app purchases
Fits and Tolerances
No in-app purchases
Questions
Is Skylink free?
Is Fits and Tolerances free?
Do Skylink or Fits and Tolerances have ads?
Which is updated more often, Skylink or Fits and Tolerances?
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