# Calyra vs HemoSphere

The clearest difference is in-app purchases: HemoSphere at none against Calyra's 3. HemoSphere also leads on ads (none vs shown). Calyra's advantage is update cadence (every 10 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calyra sells 3 in-app purchases, starting at $9.99 per month. HemoSphere asks for nothing beyond the download.

Calyra ships an update every 10 days, HemoSphere monthly. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calyra | HemoSphere |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (158 ratings)](https://appshunter.io/ios/app/calyra-ai-calorie-tracker/id6748324995/reviews)** | — |
| Number of ratings | **158** | — |
| Positive reviews | 58.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 37 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Nutria SAS](https://appshunter.io/developer/1873299773) | [IOANNA ANGELOPOULOU](https://appshunter.io/developer/6795034412) |

## What reviewers say

### Calyra

[App page](https://appshunter.io/ios/app/calyra-ai-calorie-tracker/id6748324995)

Effortlessly track your daily calorie and nutritional intake by photographing meals or scanning barcodes. Gain insights into your weight, BMI, and micronutrients with detailed statistics and an intuitive interface to support your health goals.

**Highlights:** Photograph meals for instant calorie analysis, Scan product barcodes for accurate tracking, Monitor weight and BMI, View micronutrient breakdown, Analyze daily nutritional statistics, Intuitive and user-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $9.99 | per month |
| 1 Year Subscription - Offer | $29.99 | per year |
| 1 year subscription | $49.99 | per year |


### HemoSphere

[App page](https://appshunter.io/ios/app/hemosphere/id6810234493)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calyra free?

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

### Is HemoSphere free?

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

### Do Calyra or HemoSphere have ads?

Calyra shows ads; HemoSphere does not.

### Which is updated more often, Calyra or HemoSphere?

Calyra ships an update every 10 days, and HemoSphere monthly. Most recently, Calyra was updated on November 11, 2026 and HemoSphere on October 31, 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.*