San Mateo County Libraries vs EYEnstein
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
San Mateo County Libraries
Access library services from your mobile device. Manage your account, search the catalog, place holds, and use your digital library card. Discover events and access a wide range of digital resources like eBooks and eAudiobooks.
- Account management
- Catalog search
- Place holds
- Digital library card
- Event discovery
- Digital collection access
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The San Mateo County Libraries app is your connection to the library's services from your mobile device. Check your account, pay fines, renew items, search the catalog, place holds and use your digital library card. Find upcoming events, read our blogs, get directions to the nearest San Mateo County Libraries branch, and get easy access to our digital collection like eBooks/eAudiobooks, eVideos, eMusic and eMagazines.
EYEnstein
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EYEnstein™ is a communication platform used for collaboration with experts, Interactions with your team and/or a communication tool for your customers to instantly connect. Quickly chat with a DIY Expert or scan a QR code that is given to you to instantly connect and communicate via chat or video. EYEnstein™ is being used as an "eyes on" tool for Plumbing, Electrical, Real Estate Management teams and AV Groups to easily communicate with customers and their teams. EYEnstein™ allows your most experienced experts to be accessible and have eyes on at any time no matter where they are.
Screenshots
Verdict
The clearest difference is update cadence: EYEnstein at monthly against San Mateo County Libraries'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.
San Mateo County Libraries ships an update every 2 months, EYEnstein monthly. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.
| Parameter | San Mateo County Libraries | EYEnstein |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (8 ratings) — better | — |
| Positive reviews | 47.1% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 50 MB | 38 MB |
| Age rating | 17+ | 4+ |
| Developer | Peninsula Library System | Plunjr |
In-app purchases
San Mateo County Libraries
No in-app purchases
EYEnstein
No in-app purchases
Questions
Is San Mateo County Libraries free?
Is EYEnstein free?
Do San Mateo County Libraries or EYEnstein have ads?
Which is updated more often, San Mateo County Libraries or EYEnstein?
Other comparisons
