# pHformula vs SISUpro

The clearest difference is update cadence: pHformula at monthly against SISUpro's every 2 months. SISUpro's advantage is iOS requirement (11.0 vs 13.0). 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.

pHformula ships an update monthly, SISUpro every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | pHformula | SISUpro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/phformula/id1533460089/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 20 MB | 21 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beauty Akademiet ApS](https://appshunter.io/developer/1533460091) | [DataSign A/S](https://appshunter.io/developer/509469701) |

## What reviewers say

### pHformula

[App page](https://appshunter.io/ios/app/phformula/id1533460089)

This app rewards loyal customers of a skincare clinic by allowing them to earn and redeem points on products. It bridges the gap between clients and their preferred clinic for exclusive benefits.

**Highlights:** Earn loyalty points, Redeem points for products, Connect with skincare clinic, Exclusive customer benefits

**Features:** macOS Compatibility

**In-app purchases:** none


### SISUpro

[App page](https://appshunter.io/ios/app/sisupro/id1569565460)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is pHformula free?

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

### Is SISUpro free?

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

### Do pHformula or SISUpro have ads?

Neither pHformula nor SISUpro shows ads.

### Which is updated more often, pHformula or SISUpro?

pHformula ships an update monthly, and SISUpro every 2 months. Most recently, pHformula was updated on November 3, 2026 and SISUpro on November 3, 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.*