# Kalqulate vs Slim AI

The clearest difference is update cadence: Slim AI at every 8 days against Kalqulate's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Kalqulate sells 7 in-app purchases, starting at $3.99 per month and Slim AI sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Kalqulate ships an update every 3 weeks, Slim AI every 8 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Kalqulate | Slim AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (6 ratings)](https://appshunter.io/ios/app/slim-ai-calorie-tracker/id6753938721/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 88 MB | 85 MB |
| Requires iOS | 16.2 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [null s.r.o.](https://appshunter.io/developer/1829259885) | [FUTURESOFT MAZUREK I NIEDZIELA SPOLKA KOMANDYTOWA](https://appshunter.io/developer/1836390860) |

## What reviewers say

### Kalqulate

[App page](https://appshunter.io/ios/app/kalqulate-calorie-tracker/id6749201745)

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kalqulate | $3.99 | per month |
| Kalqulate | $6.99 | per month |
| Kalqulate | $9.99 | per month |
| Kalqulate | $9.99 | per month |
| Kalqulate | $19.99 | per year |
| Kalqulate | $29.99 | per year |
| Kalqulate Pro | $49.99 | one-time |


### Slim AI

[App page](https://appshunter.io/ios/app/slim-ai-calorie-tracker/id6753938721)

Analyze meals from photos to understand their nutritional impact, including calories and macronutrients. Track activity, hydration, and fasting with personalized goal setting and health score evaluations. Sync data with health apps for a comprehensive overview of your well-being.

**Highlights:** Photo-based meal analysis, Calorie and macronutrient breakdown, Health Score for ingredient quality, Food label scanning, Personalized meal suggestions, Activity, hydration, and fasting tracking, Health app integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $9.99 | per month |
| App Access | $22.99 | per year |
| Annual Plan | $34.99 | per year |


## Frequently asked questions

### Is Kalqulate free?

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

### Is Slim AI free?

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

### Do Kalqulate or Slim AI have ads?

Both Kalqulate and Slim AI show ads.

### Which is updated more often, Kalqulate or Slim AI?

Kalqulate ships an update every 3 weeks, and Slim AI every 8 days. Most recently, Kalqulate was updated on October 24, 2026 and Slim AI on October 24, 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.*