# Angka.sa2 vs Adopt a Book

The clearest difference is ads: Angka.sa2 at none against Adopt a Book's shown. Adopt a Book's advantage is update cadence (every 2 weeks vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Angka.sa2 ships an update every 8 months, Adopt a Book every 2 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Angka.sa2 | Adopt a Book |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 60 MB | 101 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sarawak Information Systems Sdn. Bhd.](https://appshunter.io/developer/1214607820) | [Praneeth Peiris](https://appshunter.io/developer/1638142024) |

## What reviewers say

### Angka.sa2

[App page](https://appshunter.io/ios/app/angkasa2/id1459822590)

Access your library account on the go. Browse new and recommended books, manage your loans, reservations, and personal profile. Stay updated with library news and find essential information like opening hours and location.

**Highlights:** View latest & recommended books, Search book collections, Manage personal profile, Manage membership information, Renew books & view fines, Manage reservations & wish list

**In-app purchases:** none


### Adopt a Book

[App page](https://appshunter.io/ios/app/adopt-a-book/id1638142022)

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

**In-app purchases:** none


## Frequently asked questions

### Is Angka.sa2 free?

Angka.sa2 is free to download, with no in-app purchases.

### Is Adopt a Book free?

Adopt a Book is free to download, with no in-app purchases.

### Do Angka.sa2 or Adopt a Book have ads?

Adopt a Book shows ads; Angka.sa2 does not.

### Which is updated more often, Angka.sa2 or Adopt a Book?

Angka.sa2 ships an update every 8 months, and Adopt a Book every 2 weeks. Most recently, Angka.sa2 was updated on November 3, 2026 and Adopt a Book on November 3, 2026.

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