# IPDC Library vs Rang International School

The clearest difference is update cadence: Rang International School at fortnightly against IPDC Library's every 18 months. IPDC Library's advantage is iOS requirement (13.0 vs 15). On price, ads, in-app purchases and device support there is nothing between them.

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

IPDC Library ships an update every 18 months, Rang International School fortnightly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | IPDC Library | Rang International School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Fortnightly** |
| Size | 40 MB | 109 MB |
| Requires iOS | **13.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Diwaliba Charitable Trust](https://appshunter.io/developer/1708355560) | [Zibma Infotech](https://appshunter.io/developer/1233236388) |

## What reviewers say

### IPDC Library

[App page](https://appshunter.io/ios/app/ipdc-library/id6526469981)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rang International School

[App page](https://appshunter.io/ios/app/rang-international-school/id6761261466)

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

**In-app purchases:** none


## Frequently asked questions

### Is IPDC Library free?

IPDC Library is free to download, with no in-app purchases.

### Is Rang International School free?

Rang International School is free to download, with no in-app purchases.

### Do IPDC Library or Rang International School have ads?

Neither IPDC Library nor Rang International School shows ads.

### Which is updated more often, IPDC Library or Rang International School?

IPDC Library ships an update every 18 months, and Rang International School fortnightly. Most recently, IPDC Library was updated on November 4, 2026 and Rang International School on November 5, 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.*