# SmartNanny vs Kreas

The clearest difference is in-app purchases: SmartNanny at none against Kreas's 1. SmartNanny also leads on iOS requirement (13.0 vs 15.0). Kreas's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Kreas sells 1 one-off in-app purchase. SmartNanny asks for nothing beyond the download.

SmartNanny ships an update every 2 months, Kreas every 2 weeks. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | SmartNanny | Kreas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/kreas-creatine-tracker/id6755862949/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 41 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Huijia Health Life Technology Co., Ltd](https://appshunter.io/developer/1114678412) | [Rohan Chhipa](https://appshunter.io/developer/1744145477) |

## What reviewers say

### SmartNanny

[App page](https://appshunter.io/ios/app/smartnanny/id1469506698)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kreas

[App page](https://appshunter.io/ios/app/kreas-creatine-tracker/id6755862949)

This app helps you track your creatine levels using a dynamic saturation model. It visualizes your progress, sends smart reminders, and simplifies loading and maintenance phases. It also tracks your supplement supply and offers a clutter-free, private experience.

**Highlights:** Dynamic saturation tracking, Smart dose reminders, Simplified loading/maintenance phases, Visual progress calendar, Supply tracking, No clutter or ads

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kreas+ | $4.99 | one-time |


## Frequently asked questions

### Is SmartNanny free?

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

### Is Kreas free?

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

### Do SmartNanny or Kreas have ads?

Neither SmartNanny nor Kreas shows ads.

### Which is updated more often, SmartNanny or Kreas?

SmartNanny ships an update every 2 months, and Kreas every 2 weeks. Most recently, SmartNanny was updated on October 13, 2026 and Kreas on September 29, 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.*