San Mateo County Libraries vs Building Kidz Connect
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.
Building Kidz Connect
This app facilitates seamless communication between schools and parents, streamlining billing coordination and enrollment management. Parents can personalize notification preferences and contact details for optimal family use.
- School-parent communication
- Billing coordination
- Enrollment management
- Customizable notifications
- Contact information management
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Building Kidz Connect is an app designed specifically for schools and parents to share communication, coordinate billing and manage enrollment data. Parents using the Building Kidz Connect app can customize notifications and contact information to best utilize this tool for their family. For information on how to login, please contact your participating school administrator.
Screenshots
Verdict
The clearest difference is rating: San Mateo County Libraries at 3.3 against Building Kidz Connect's 2.3. San Mateo County Libraries also leads on review sentiment (47% vs 34%). Building Kidz Connect's advantage is ratings volume (62 vs 8). On price, update cadence, 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.
San Mateo County Libraries holds the better App Store score, 3.3 against 2.3. That said, the two scores are not equally well evidenced: Building Kidz Connect has 62 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 47% of San Mateo County Libraries's written reviews are positive against 34% of Building Kidz Connect's.
San Mateo County Libraries ships an update every 2 months, Building Kidz Connect every 5 weeks. The most recent releases landed on September 12, 2026 and September 18, 2026 respectively.
| Parameter | San Mateo County Libraries | Building Kidz Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (8 ratings) — better | 2.3 (62 ratings) |
| Positive reviews | 47.1% of reviews — better | 34.4% of reviews |
| Number of ratings | 8 | 62 — better |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 50 MB | 53 MB |
| Age rating | 17+ | 17+ |
| Developer | Peninsula Library System | Building Kidz School |
Customer experience
San Mateo County Libraries
Building Kidz Connect
In-app purchases
San Mateo County Libraries
No in-app purchases
Building Kidz Connect
No in-app purchases
Questions
Is San Mateo County Libraries free?
Is Building Kidz Connect free?
Which has better reviews, San Mateo County Libraries or Building Kidz Connect?
Do San Mateo County Libraries or Building Kidz Connect have ads?
Which is updated more often, San Mateo County Libraries or Building Kidz Connect?
Other comparisons
