# Smart AI Calorie Tracker vs SheFast

The clearest difference is update cadence: Smart AI Calorie Tracker at every 3 days against SheFast's every 4 weeks. SheFast's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Smart AI Calorie Tracker sells 4 in-app purchases, starting at $14.99 per month and SheFast sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Smart AI Calorie Tracker ships an update every 3 days, SheFast every 4 weeks. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Smart AI Calorie Tracker | SheFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/shefast-cycle-fasting-tracker/id6763439355/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 weeks |
| Monetization | — | Subscription |
| Size | 160 MB | 37 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Ashish Kumar Baghel](https://appshunter.io/developer/1724655665) | [Omnivera LLC](https://appshunter.io/developer/1895315592) |

## What reviewers say

### Smart AI Calorie Tracker

[App page](https://appshunter.io/ios/app/smart-ai-calorie-tracker/id6761193017)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $14.99 | per month |
| Premium Yearly | $59.99 | per year |
| Family Plan Yearly | $89.99 | per year |
| Streak Restore | $0.99 | one-time |


### SheFast

[App page](https://appshunter.io/ios/app/shefast-cycle-fasting-tracker/id6763439355)

This app offers cycle-synced fasting plans that adapt to your body's natural phases. It provides personalized fasting windows, gentle reminders, and progress tracking to support your wellness journey without demanding perfection.

**Highlights:** Cycle-aware fasting plans, Personalized fasting windows, Rest days to protect streaks, Guided daily wellness course, Fasting history and progress insights, Water and protein tracking, Gentle reminders

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| SheFast Premium Monthly | $14.99 | per month |
| Yearly Access | $64.99 | per year |


## Frequently asked questions

### Is Smart AI Calorie Tracker free?

Smart AI Calorie Tracker is free to download, with in-app purchases available.

### Is SheFast free?

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

### Do Smart AI Calorie Tracker or SheFast have ads?

Neither Smart AI Calorie Tracker nor SheFast shows ads.

### Which is updated more often, Smart AI Calorie Tracker or SheFast?

Smart AI Calorie Tracker ships an update every 3 days, and SheFast every 4 weeks. Most recently, Smart AI Calorie Tracker was updated on October 22, 2026 and SheFast on October 21, 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.*