# UBPay vs 13 Orphans Calculator

The clearest difference is in-app purchases: UBPay at none against 13 Orphans Calculator's 1. UBPay also leads on iOS requirement (12.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 13 Orphans Calculator sells 1 one-off in-app purchase. UBPay asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | UBPay | 13 Orphans Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 49 MB | 42 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [East Card Limited](https://appshunter.io/developer/1825765568) | [KEVIN ALLEN GONZALES ONG](https://appshunter.io/developer/6801997158) |

## What reviewers say

### UBPay

[App page](https://appshunter.io/ios/app/ubpay/id6745318416)

**In-app purchases:** none


### 13 Orphans Calculator

[App page](https://appshunter.io/ios/app/13-orphans-calculator/id6801997156)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 13 Orphans Pro Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is UBPay free?

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

### Is 13 Orphans Calculator free?

13 Orphans Calculator is free to download, with in-app purchases available.

### Do UBPay or 13 Orphans Calculator have ads?

Neither UBPay nor 13 Orphans Calculator shows ads.

### Which is updated more often, UBPay or 13 Orphans Calculator?

UBPay ships an update weekly, and 13 Orphans Calculator weekly. Most recently, UBPay was updated on October 30, 2026 and 13 Orphans Calculator on October 31, 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.*
