# Intermittent vs Cally

The clearest difference is device support: Intermittent at 3 against Cally's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Intermittent sells 4 in-app purchases, starting at $4.99 per month and Cally sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Intermittent ships an update every 4 days, Cally every 2 days. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Intermittent | Cally |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/intermittent-fasting-tracker-plus/id6756629485/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 33 MB | 35 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [BARBAROS SELIM BUYUKELCI](https://appshunter.io/developer/1861903946) | [Rachen Horsup](https://appshunter.io/developer/1884845062) |

## What reviewers say

### Intermittent

[App page](https://appshunter.io/ios/app/intermittent-fasting-tracker-plus/id6756629485)

Easily track your intermittent fasting with a visual timeline and preset or custom plans. Integrate with Apple Health for a holistic view of your wellness. Stay updated with widgets and Apple Watch support.

**Highlights:** Fasting timer, Visual stage timeline, Preset and custom plans, Apple Health integration, Apple Watch app, Widgets and Live Activities

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| 3 Months Premium | $9.99 | per 3 months |
| 6 Months Premium | $24.99 | per 6 months |
| Yearly Premium | $34.99 | per year |


### Cally

[App page](https://appshunter.io/ios/app/cally-ai/id6770043740)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cally Plus Monthly | $4.99 | per month |
| Cally Plus Yearly | $34.99 | per year |


## Frequently asked questions

### Is Intermittent free?

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

### Is Cally free?

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

### Do Intermittent or Cally have ads?

Neither Intermittent nor Cally shows ads.

### Which is updated more often, Intermittent or Cally?

Intermittent ships an update every 4 days, and Cally every 2 days. Most recently, Intermittent was updated on October 18, 2026 and Cally on October 10, 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.*