SPIE Conferences vs SPL Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SPIE Conferences
Access comprehensive program and exhibition guides for all SPIE conferences and events. Organize your schedule, take notes, and find exhibitors with interactive floor plans. Stay informed about upcoming sessions and connect with the optics and photonics community.
- Complete conference programs
- Sync schedule between devices
- Event reminders
- Add notes to events and exhibitors
- Search and filter options
- Venue floor plans
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Hold the program and exhibition guides for all current and upcoming SPIE conferences and exhibitions in the palm of your hand. • Complete programs of all SPIE symposia including events, exhibitors, and participants. • Sync My Schedule between your mobile device and desktop computer. • Be notified when events added to My Schedule are about to begin. • Add notes to any event, exhibitor, or person. • Use search filters and sorting options including relevance sort. • Find events and exhibitors on venue floor plans. At SPIE we strengthen the global optics and photonics community through conferences, publications, and professional development, bringing together engineers, scientists, students, and industry leaders to advance light-based science and technologies. Inspired by the transformative power of photonics to enhance life around the globe, over the past five years SPIE has contributed more than $24 million to the international optics community.
SPL Mobile
Access library services on the go with this mobile app. Search the collection, place holds, renew items, and discover new titles. Download eBooks and eAudiobooks, and stay updated on library information.
- Search library collection with filters
- Browse bestsellers and new releases
- View title details and community reviews
- Place and manage holds
- Renew borrowed items
- Download eBooks and eAudiobooks
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Take Sunnyvale Public Library wherever you go! The new Sunnyvale Public Library free mobile app makes it easy to find and discover titles, place holds, renew items, rate titles, create lists and get information about our library. Features: • Quickly search the collection, with filters to zero in on the kinds of titles you’re seeking • Browse bestsellers and new material • Get the details on any title, anytime and anywhere, including descriptions, community reviews and commentary • Check a title’s availability • Check to see if your holds are ready for pick up • Find and download eBooks and eAudiobooks • Instantly check due dates and renew your items
Screenshots
Verdict
The clearest difference is rating: SPL Mobile at 4.7 against SPIE Conferences's 3.8. SPL Mobile also leads on review sentiment (67% vs 25%) and monetization model (free vs ad-supported). SPIE Conferences's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (14.0 vs 16.0). On price, ratings volume, ads and in-app purchases 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.
SPL Mobile holds the better App Store score, 4.7 against 3.8. Both are backed by a comparable volume of ratings — 9 and 12 respectively. Written reviews point the same way: 25% of SPIE Conferences's written reviews are positive against 67% of SPL Mobile's.
SPIE Conferences ships an update every 3 weeks, SPL Mobile every 3 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.
| Parameter | SPIE Conferences | SPL Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (9 ratings) | 4.7 (12 ratings) — better |
| Positive reviews | 25.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 9 | 12 — better |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 143 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | SPIE | City of Sunnyvale |
Customer experience
SPIE Conferences
SPL Mobile
In-app purchases
SPIE Conferences
No in-app purchases
SPL Mobile
No in-app purchases
Questions
Is SPIE Conferences free?
Is SPL Mobile free?
Which has better reviews, SPIE Conferences or SPL Mobile?
Do SPIE Conferences or SPL Mobile have ads?
Which is updated more often, SPIE Conferences or SPL Mobile?
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