# PadelSync vs Callie

The clearest difference is update cadence: Callie at every 10 days against PadelSync's every 6 weeks. Callie also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PadelSync sells 3 in-app purchases, starting at $1.99 per 7 days and Callie sells 8 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PadelSync ships an update every 6 weeks, Callie every 10 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PadelSync | Callie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (66 ratings)](https://appshunter.io/ios/app/callie-womens-calorie-tracker/id6768885019/reviews)** |
| Number of ratings | — | **66** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 16 MB | 61 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Steven Yates](https://appshunter.io/developer/1868414743) | [Kian Burke](https://appshunter.io/developer/1773906543) |

## What reviewers say

### PadelSync

[App page](https://appshunter.io/ios/app/padelsync-score-tracker/id6760189220)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PadelSync Premium Weekly | $1.99 | per 7 days |
| PadelSync Premium Monthly | $3.99 | per month |
| PadelSync Premium Yearly | $29.99 | per year |


### Callie

[App page](https://appshunter.io/ios/app/callie-womens-calorie-tracker/id6768885019)

This calorie tracker is designed for women, automatically adjusting targets and nutrition guidance based on your menstrual cycle phases. It offers smart weight trend analysis and effortless food logging to help you understand your body's fluctuations.

**Highlights:** Cycle-synced calorie and macro targets, Phase-specific nutrition guidance, Smart weight trend analysis, Camera-based food logging, Automatic menstrual phase prediction, Manual period tracking

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Callie Pro Weekly | $4.99 | per 7 days |
| Callie Pro Weekly | $9.99 | per 7 days |
| Callie Pro Monthly | $19.99 | per month |
| Callie Pro Monthly | $24.99 | per month |
| callie.pro.annual.downsell | $69.99 | per year |
| Callie Pro | $99.99 | per year |
| Callie Pro Annual | $99.99 | per year |
| Callie Pro Annual | $99.99 | per year |


## Frequently asked questions

### Is PadelSync free?

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

### Is Callie free?

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

### Do PadelSync or Callie have ads?

Neither PadelSync nor Callie shows ads.

### Which is updated more often, PadelSync or Callie?

PadelSync ships an update every 6 weeks, and Callie every 10 days. Most recently, PadelSync was updated on October 24, 2026 and Callie 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.*