# Payment Calculator vs Promis

The clearest difference is in-app purchases: Promis at none against Payment Calculator's 1. Promis also leads on iOS requirement (14.0 vs 16). On price, update cadence, ads and device support there is nothing between them.

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

Payment Calculator ships an update every 13 months, Promis every 15 months. The most recent releases landed on September 25, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Payment Calculator | Promis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (23 ratings)](https://appshunter.io/ios/app/payment-calculator-repayment/id1589639737/reviews)** | — |
| Number of ratings | **23** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 15 months |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 43 MB |
| Requires iOS | 16 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) | [Yulianto Venturo](https://appshunter.io/developer/1629362046) |

## What reviewers say

### Payment Calculator

[App page](https://appshunter.io/ios/app/payment-calculator-repayment/id1589639737)

Easily calculate monthly loan payments based on loan term or desired monthly amount. Generates a detailed payment schedule for clarity. Designed for intuitive and straightforward use.

**Highlights:** Monthly payment calculation, Loan term input, Monthly payment input, Payment schedule generation, Intuitive interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $2.99 | one-time |


### Promis

[App page](https://appshunter.io/ios/app/promis-developer/id1662296293)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Payment Calculator free?

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

### Is Promis free?

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

### Do Payment Calculator or Promis have ads?

Neither Payment Calculator nor Promis shows ads.

### Which is updated more often, Payment Calculator or Promis?

Payment Calculator ships an update every 13 months, and Promis every 15 months. Most recently, Payment Calculator was updated on September 25, 2026 and Promis on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*