# Calsay vs ByteFit

The clearest difference is rating: ByteFit at 5.0 against Calsay's 1.5. ByteFit also leads on update cadence (every 3 days vs weekly). Calsay's advantage is iOS requirement (15.1 vs 26.2). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Calsay sells 2 in-app purchases, starting at $0.99 per year and ByteFit sells 4 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

ByteFit holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Calsay ships an update weekly, ByteFit every 3 days. The most recent releases landed on October 25, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Calsay | ByteFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/calsay/id6762194270/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bytefit-ai-calorie-tracker/id6762569872/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Freemium | Freemium |
| Size | 46 MB | 28 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Atlantico Intelligence Labs UAB](https://appshunter.io/developer/1792284984) | [Albert Akhmadiev](https://appshunter.io/developer/1894708782) |

## What reviewers say

### Calsay

[App page](https://appshunter.io/ios/app/calsay/id6762194270)

Effortlessly track your meals, workouts, and weight using just your voice. This app transcribes your speech, identifies ingredients, calculates nutrition, and logs everything automatically. It simplifies health logging so you can focus on your goals.

**Highlights:** Voice-first calorie and macro tracking, Automatic meal diary with real-time updates, Log over 50 activities by voice, Weight tracker with progress charts, Apple Health sync, Personalized calorie and macro goal setting, Smart daily dashboard

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $0.99 | per year |
| Calsay Premium | $39.99 | per year |


### ByteFit

[App page](https://appshunter.io/ios/app/bytefit-ai-calorie-tracker/id6762569872)

Log your meals by snapping photos or describing them. An AI estimates calories, protein, fat, and carbs, breaking down dishes into ingredients. A virtual companion tracks your progress and offers recipe suggestions, with a focus on mindful eating and no guilt.

**Highlights:** AI calorie and macro estimation, Food photo diary, Virtual companion for progress tracking, Recipe suggestions, Home and Lock Screen widgets, AI coach for eating habits

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ByteFit Pro Monthly · Gift | $5.99 | per month |
| ByteFit Pro Monthly | $9.99 | per month |
| ByteFit Pro Yearly · Gift | $53.99 | per year |
| ByteFit Pro Yearly | $89.99 | per year |


## Frequently asked questions

### Is Calsay free?

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

### Is ByteFit free?

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

### Which has better reviews, Calsay or ByteFit?

ByteFit is rated higher. Calsay averages 1.5 out of 5 from 2 ratings, while ByteFit averages 5.0 from 1 ratings.

### Do Calsay or ByteFit have ads?

Neither Calsay nor ByteFit shows ads.

### Which is updated more often, Calsay or ByteFit?

Calsay ships an update weekly, and ByteFit every 3 days. Most recently, Calsay was updated on October 25, 2026 and ByteFit on October 23, 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.*