# Smart App uPay vs Twajer

The clearest difference is update cadence: Twajer at every 3 days against Smart App uPay's every 3 months. Smart App uPay's advantage is iOS requirement (11.0 vs 15.1). 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.

Smart App uPay ships an update every 3 months, Twajer every 3 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Smart App uPay | Twajer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 66 MB | 53 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Unique Business Solutions](https://appshunter.io/developer/1660741800) | [Abdullah Ibrahim](https://appshunter.io/developer/1753548912) |

## What reviewers say

### Smart App uPay

[App page](https://appshunter.io/ios/app/smart-app-upay/id6477756557)

**Features:** macOS Compatibility

**In-app purchases:** none


### Twajer

[App page](https://appshunter.io/ios/app/twajer/id6767688586)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart App uPay free?

Smart App uPay is free to download, with no in-app purchases.

### Is Twajer free?

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

### Do Smart App uPay or Twajer have ads?

Neither Smart App uPay nor Twajer shows ads.

### Which is updated more often, Smart App uPay or Twajer?

Smart App uPay ships an update every 3 months, and Twajer every 3 days. Most recently, Smart App uPay was updated on October 9, 2026 and Twajer on October 24, 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.*