# SG Libraries vs NLB Mobile

The clearest difference is review sentiment: SG Libraries at 92% against NLB Mobile's 41%. SG Libraries also leads on rating (4.7 vs 3.3) and iOS requirement (8.0 vs 15.0). NLB Mobile's advantage is in-app purchases (none vs 1) and ratings volume (35 vs 3). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. SG Libraries sells 1 one-off in-app purchase. NLB Mobile asks for nothing beyond the download.

SG Libraries holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: NLB Mobile has 35 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 92% of SG Libraries's written reviews are positive against 41% of NLB Mobile's.

SG Libraries ships an update every 5 weeks, NLB Mobile monthly. The most recent releases landed on September 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SG Libraries | NLB Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/sg-libraries/id793017134/reviews)** | [3.3 (35 ratings)](https://appshunter.io/ios/app/nlb-mobile/id1147053983/reviews) |
| Number of ratings | 3 | **35** |
| Positive reviews | **91.7% of reviews** | 41.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 24 MB | 122 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ken Toh](https://appshunter.io/developer/445688316) | [National Library Board Singapore](https://appshunter.io/developer/411883166) |

## What reviewers say

### SG Libraries

[App page](https://appshunter.io/ios/app/sg-libraries/id793017134)

Easily search the library catalog, discover new books, and manage your loans. Find nearby branches, check item availability, and create personalized reading lists. Stay updated on library events and new arrivals.

**Highlights:** Search library catalog, Discover new arrivals and popular titles, Manage loans and reservations, Find library branches and hours, Create favorite lists, Read and write book reviews

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Version | $0.99 | one-time |


### NLB Mobile

[App page](https://appshunter.io/ios/app/nlb-mobile/id1147053983)

Access a vast collection of ebooks, audiobooks, magazines, and newspapers. Borrow physical items, take online courses, and manage your library account and family's accounts easily. Discover new digital resources and log in securely with QR Login.

**Highlights:** Read ebooks and audiobooks, Access eMagazines and eNewspapers, Take online courses, Borrow physical library items, Manage library accounts, QR Login for easy sign-in

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SG Libraries free?

SG Libraries is free to download, with in-app purchases available.

### Is NLB Mobile free?

NLB Mobile is free to download, with no in-app purchases.

### Which has better reviews, SG Libraries or NLB Mobile?

SG Libraries is rated higher. SG Libraries averages 4.7 out of 5 from 3 ratings, while NLB Mobile averages 3.3 from 35 ratings.

### Do SG Libraries or NLB Mobile have ads?

Neither SG Libraries nor NLB Mobile shows ads.

### Which is updated more often, SG Libraries or NLB Mobile?

SG Libraries ships an update every 5 weeks, and NLB Mobile monthly. Most recently, SG Libraries was updated on September 29, 2026 and NLB Mobile on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*