Comparison

SPIE Conferences vs SPL Mobile

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

Head to head
About

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.

Highlights
  • Complete conference programs
  • Sync schedule between devices
  • Event reminders
  • Add notes to events and exhibitors
  • Search and filter options
  • Venue floor plans
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

SPIE Conferences4 screens
SPL Mobile4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
SPIE Conferences versus SPL Mobile: the parameters behind the verdict, then further details
ParameterSPIE ConferencesSPL Mobile
PriceFreeFree
Rating3.8 (9 ratings)4.7 (12 ratings) — better
Positive reviews25.0% of reviews66.7% of reviews — better
Number of ratings912 — better
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.0
Further details — not scored
Size143 MB22 MB
Age rating4+4+
DeveloperSPIECity of Sunnyvale

Customer experience

SPIE Conferences

All ratings9 ratings
Positive66.7%
Neutral11.1%
Negative22.2%
Written reviews52 reviews
Positive25.0%
Neutral15.4%
Negative59.6%

SPL Mobile

All ratings12 ratings
Positive91.7%
Neutral0.0%
Negative8.3%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

SPIE Conferences

No in-app purchases

None

SPL Mobile

No in-app purchases

Questions

Is SPIE Conferences free?
SPIE Conferences is free to download, with no in-app purchases.
Is SPL Mobile free?
SPL Mobile is free to download, with no in-app purchases.
Which has better reviews, SPIE Conferences or SPL Mobile?
SPL Mobile is rated higher. SPIE Conferences averages 3.8 out of 5 from 9 ratings, while SPL Mobile averages 4.7 from 12 ratings.
Do SPIE Conferences or SPL Mobile have ads?
Neither SPIE Conferences nor SPL Mobile shows ads.
Which is updated more often, SPIE Conferences or SPL Mobile?
SPIE Conferences ships an update every 3 weeks, and SPL Mobile every 3 months. Most recently, SPIE Conferences was updated on November 1, 2026 and SPL Mobile on October 24, 2026.

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