# SII DPU vs RupayBill

The clearest difference is in-app purchases: SII DPU at none against RupayBill's 2. RupayBill's advantage is update cadence (weekly vs every 10 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. RupayBill sells 2 in-app purchases, starting at $4.99 per month. SII DPU asks for nothing beyond the download.

SII DPU ships an update every 10 months, RupayBill weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SII DPU | RupayBill |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Weekly** |
| Size | 1 MB | 41 MB |
| Requires iOS | **13.0** | 14 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seiko Instruments Inc.](https://appshunter.io/developer/430532225) | [SMCLOUDMYLE LLP](https://appshunter.io/developer/1792717679) |

## What reviewers say

### SII DPU

[App page](https://appshunter.io/ios/app/sii-dpu-s-utility/id982214891)

**In-app purchases:** none


### RupayBill

[App page](https://appshunter.io/ios/app/rupaybill/id6745431549)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RupayBill Monthly Premium | $4.99 | per month |
| RupayBill Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is SII DPU free?

SII DPU is free to download, with no in-app purchases.

### Is RupayBill free?

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

### Do SII DPU or RupayBill have ads?

Neither SII DPU nor RupayBill shows ads.

### Which is updated more often, SII DPU or RupayBill?

SII DPU ships an update every 10 months, and RupayBill weekly. Most recently, SII DPU was updated on October 26, 2026 and RupayBill 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.*