# i vs FastCalo AI

The clearest difference is in-app purchases: i at none against FastCalo AI's 3. i also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.1). FastCalo AI's advantage is update cadence (every 2 weeks vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. FastCalo AI sells 3 in-app purchases, starting at $4.99 per month. i asks for nothing beyond the download.

i ships an update every 6 weeks, FastCalo AI every 2 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | i | FastCalo AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/i-switch/id1271273082/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 48 MB | 55 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MiCare Sdn Bhd](https://appshunter.io/developer/659502929) | [Pradeep Singh Rawat](https://appshunter.io/developer/1884370312) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-switch/id1271273082)

This app helps you maintain a healthy and balanced life by motivating you to reach your daily step goals. It integrates with HealthKit to track your activity and encourage a more active lifestyle.

**Highlights:** Motivates healthy lifestyle, Tracks daily steps, Monitors step goals, Integrates with HealthKit, Encourages active living

**Features:** macOS Compatibility

**In-app purchases:** none


### FastCalo AI

[App page](https://appshunter.io/ios/app/fastcalo-ai-calorie-tracker/id6760419729)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastCalo AI Premium – Monthly | $4.99 | per month |
| FastCalo AI Premium – 6 Months | $23.99 | per 6 months |
| FastCalo AI Premium Yearly | $35.99 | per year |


## Frequently asked questions

### Is i free?

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

### Is FastCalo AI free?

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

### Do i or FastCalo AI have ads?

FastCalo AI shows ads; i does not.

### Which is updated more often, i or FastCalo AI?

i ships an update every 6 weeks, and FastCalo AI every 2 weeks. Most recently, i was updated on November 3, 2026 and FastCalo AI 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.*