# RGPV eLibrary vs Math App by CATKing

RGPV eLibrary and Math App by CATKing are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RGPV eLibrary | Math App by CATKing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rgpv-elibrary/id1503049592/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 71 MB | 77 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Refread Solutions Private Limited](https://appshunter.io/developer/1495104123) | [Sumit Singh](https://appshunter.io/developer/1586596142) |

## What reviewers say

### RGPV eLibrary

[App page](https://appshunter.io/ios/app/rgpv-elibrary/id1503049592)

Access a vast digital library of over 600,000 eResources, including peer-reviewed eJournals, eBooks from top publishers, and open-access materials. Stay updated with news and expert talks, all available on your mobile device.

**Highlights:** Extensive eResource collection, Peer-reviewed eJournals, Thousands of eBooks, Open access materials, News updates, Expert talks

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

**In-app purchases:** none


### Math App by CATKing

[App page](https://appshunter.io/ios/app/math-app-by-catking/id1586596140)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RGPV eLibrary free?

RGPV eLibrary is free to download, with no in-app purchases.

### Is Math App by CATKing free?

Math App by CATKing is free to download, with no in-app purchases.

### Do RGPV eLibrary or Math App by CATKing have ads?

Neither RGPV eLibrary nor Math App by CATKing shows ads.

### Which is updated more often, RGPV eLibrary or Math App by CATKing?

RGPV eLibrary ships an update every 2 months, and Math App by CATKing every 2 months. Most recently, RGPV eLibrary was updated on September 22, 2026 and Math App by CATKing on October 25, 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.*