Spectra Access Card vs Oslyn Tabs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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.
Oslyn Tabs
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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
Verdict
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 · 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.
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.
| Parameter | Spectra Access Card | Oslyn Tabs |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 4 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 7 MB | 26 MB |
| Age rating | 4+ | 17+ |
| Developer | Spectra Technovision(India) Private Limited | Dominic Fung |
In-app purchases
Spectra Access Card
No in-app purchases
Oslyn Tabs
No in-app purchases
Questions
Is Spectra Access Card free?
Is Oslyn Tabs free?
Do Spectra Access Card or Oslyn Tabs have ads?
Which is updated more often, Spectra Access Card or Oslyn Tabs?
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