# X Factor vs The Deficit

The clearest difference is update cadence: X Factor at weekly against The Deficit's every 17 months. X Factor also leads on iOS requirement (8.0 vs 17.5). 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.

X Factor ships an update weekly, The Deficit every 17 months. Both last shipped on September 30, 2026.

## The numbers

| Metric | X Factor | The Deficit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/x-factor/id312733909/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 17 months |
| Monetization | Free | — |
| Size | 20 MB | 22 MB |
| Requires iOS | **8.0** | 17.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Daniel Hansen](https://appshunter.io/developer/312733912) | [5 LADISLAV HRBACEK](https://appshunter.io/developer/1777421905) |

## What reviewers say

### X Factor

[App page](https://appshunter.io/ios/app/x-factor/id312733909)

Easily track your daily calorie balance for weight management. Focus on calories in and out, with features to predict target weight achievement and verify data accuracy. Integrates with HealthKit for automatic calorie import.

**Highlights:** Daily calorie balance tracking, Weight and activity calorie logging, Target weight prediction, BMI and BMR calculation, HealthKit integration, Weight unit support

**Features:** macOS Compatibility

**In-app purchases:** none


### The Deficit

[App page](https://appshunter.io/ios/app/the-deficit/id6737693570)

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

**In-app purchases:** none


## Frequently asked questions

### Is X Factor free?

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

### Is The Deficit free?

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

### Do X Factor or The Deficit have ads?

Neither X Factor nor The Deficit shows ads.

### Which is updated more often, X Factor or The Deficit?

X Factor ships an update weekly, and The Deficit every 17 months. Most recently, X Factor was updated on September 30, 2026 and The Deficit on September 30, 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.*