Comparison

Spectra Access Card vs Oslyn Tabs

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

Head to head
About

Spectra Access Card

This app enables users to unlock doors using their smartphone as a digital access card. It securely stores mobile credentials and communicates with readers via Bluetooth for authentication, eliminating the need for physical cards or fobs.

Highlights
  • Unlock doors with smartphone
  • Digital access card replacement
  • Secure mobile credential storage
  • Bluetooth authentication
  • Wire-free technology
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Spectra Mobile Access app is a comprehensive app that allows user to open doors via smart phone. Spectra Mobile access app is an add-on to the existing access control solution, which allows user to enter in accessible premises using their smart phones. It is a Bluetooth enabled application for the users and its role to secure the user’s mobile credentials and to send it to the readers when required for authentication. It is a truly wire free technology wherein user need not carry cards or tags, the user smart phone itself works like a credential.

About

Oslyn Tabs

Features
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Are you a musician who wants to jam with friends, but don't have the time to learn the songs? Need a chord sheet thats synchronized with your buddies? Try this App! Chord sheets are displayed like a powerpoint slide, so that bands can stay on the same page (literally). Key Features: - Easily create a Setlist for your band to play. (via the web extension & website) - Synchronized chord sheet & song selection. - Synchronized key changes. - Capo - that only affects you. - Choice to SIMPLIFY chords (for beginners, removing dim7s, augmented 5ths etc.) - Text size, dark mode, etc.

Screenshots

Spectra Access Card4 screens
Oslyn Tabs4 screens

Verdict

The call

The clearest difference is update cadence: Oslyn Tabs at every 5 days against Spectra Access Card's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Spectra Access Card ships an update every 4 weeks, Oslyn Tabs every 5 days. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

Scorecard1 real difference Β· 7 level
Spectra Access Card versus Oslyn Tabs: the parameters behind the verdict, then further details
ParameterSpectra Access CardOslyn Tabs
PriceFreeFree
Positive reviews50.0% of reviewsβ€”
Update frequencyEvery 4 weeksEvery 5 days β€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS15.0 β€” better15.6
Further details β€” not scored
Size7 MB26 MB
Age rating4+17+
DeveloperSpectra Technovision(India) Private LimitedDominic Fung

In-app purchases

None

Spectra Access Card

No in-app purchases

None

Oslyn Tabs

No in-app purchases

Questions

Is Spectra Access Card free?
Spectra Access Card is free to download, with no in-app purchases.
Is Oslyn Tabs free?
Oslyn Tabs is free to download, with no in-app purchases.
Do Spectra Access Card or Oslyn Tabs have ads?
Neither Spectra Access Card nor Oslyn Tabs shows ads.
Which is updated more often, Spectra Access Card or Oslyn Tabs?
Spectra Access Card ships an update every 4 weeks, and Oslyn Tabs every 5 days. Most recently, Spectra Access Card was updated on November 2, 2026 and Oslyn Tabs on November 4, 2026.

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