# DPS, Rau vs UC Abacus

The clearest difference is update cadence: UC Abacus at every 3 months against DPS, Rau's every 10 months. DPS, Rau's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

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

DPS, Rau ships an update every 10 months, UC Abacus every 3 months. The most recent releases landed on September 21, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | DPS, Rau | UC Abacus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Size | 32 MB | 27 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JAGRAN SOCIAL WELFARE SOCIETY](https://appshunter.io/developer/1438604682) | [Abacus Education Private Limited](https://appshunter.io/developer/1896297619) |

## What reviewers say

### DPS, Rau

[App page](https://appshunter.io/ios/app/dps-rau/id1555921557)

**Features:** macOS Compatibility

**In-app purchases:** none


### UC Abacus

[App page](https://appshunter.io/ios/app/uc-abacus/id6766509967)

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

**In-app purchases:** none


## Frequently asked questions

### Is DPS, Rau free?

DPS, Rau is free to download, with no in-app purchases.

### Is UC Abacus free?

UC Abacus is free to download, with no in-app purchases.

### Do DPS, Rau or UC Abacus have ads?

Neither DPS, Rau nor UC Abacus shows ads.

### Which is updated more often, DPS, Rau or UC Abacus?

DPS, Rau ships an update every 10 months, and UC Abacus every 3 months. Most recently, DPS, Rau was updated on September 21, 2026 and UC Abacus on August 16, 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.*