# Carb Juggler vs Fasting Clock

The clearest difference is ads: Carb Juggler at none against Fasting Clock's shown. Carb Juggler also leads on update cadence (every 2 weeks vs every 5 months). Fasting Clock's advantage is iOS requirement (13.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Carb Juggler sells 7 in-app purchases, starting at $8.90 per month and Fasting Clock sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Carb Juggler ships an update every 2 weeks, Fasting Clock every 5 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Carb Juggler | Fasting Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Size | 80 MB | 23 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Elke Dr. Austenat](https://appshunter.io/developer/1812037753) | [Afriwan Ahda](https://appshunter.io/developer/1330133888) |

## What reviewers say

### Carb Juggler

[App page](https://appshunter.io/ios/app/carb-juggler/id6745406443)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $8.90 | per month |
| Annual Access | $90.00 | per year |
| Monthly App Access | $8.90 | one-time |
| Yearly App Access | $80.00 | one-time |
| Fair Deal Mobile | $129.00 | one-time |
| Trust Edition Mobile | $179.00 | one-time |
| Supporter Edition Mobile | $229.00 | one-time |


### Fasting Clock

[App page](https://appshunter.io/ios/app/fasting-clock-timer-and-streaks/id6757719151)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $0.99 | per 7 days |
| Monthly Premium Access | $2.99 | per month |
| Yearly Premium Access | $17.99 | per year |


## Frequently asked questions

### Is Carb Juggler free?

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

### Is Fasting Clock free?

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

### Do Carb Juggler or Fasting Clock have ads?

Fasting Clock shows ads; Carb Juggler does not.

### Which is updated more often, Carb Juggler or Fasting Clock?

Carb Juggler ships an update every 2 weeks, and Fasting Clock every 5 months. Most recently, Carb Juggler was updated on October 25, 2026 and Fasting Clock on October 25, 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.*