# Calkit vs Trendio

The clearest difference is in-app purchases: Calkit at none against Trendio's 1. Calkit also leads on iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calkit | Trendio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 27 MB | 42 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [YFI Global](https://appshunter.io/developer/1833648324) | [Laura Corrado](https://appshunter.io/developer/6778568070) |

## What reviewers say

### Calkit

[App page](https://appshunter.io/ios/app/calkit-calorie-tracker/id6751139345)

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

**In-app purchases:** none


### Trendio

[App page](https://appshunter.io/ios/app/trendio-weekly-weight-average/id6778568068)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trendio Premium | $5.99 | one-time |


## Frequently asked questions

### Is Calkit free?

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

### Is Trendio free?

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

### Do Calkit or Trendio have ads?

Neither Calkit nor Trendio shows ads.

### Which is updated more often, Calkit or Trendio?

Calkit ships an update every 3 weeks, and Trendio every 3 weeks. Most recently, Calkit was updated on October 30, 2026 and Trendio on October 31, 2026.

---

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