# OK GlucoBlue vs Calorie Tracker

The clearest difference is in-app purchases: OK GlucoBlue at none against Calorie Tracker's 3. OK GlucoBlue also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.1). Calorie Tracker's advantage is update cadence (every 8 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Calorie Tracker sells 3 in-app purchases, starting at $2.99 per 7 days. OK GlucoBlue asks for nothing beyond the download.

OK GlucoBlue ships an update every 2 months, Calorie Tracker every 8 days. The most recent releases landed on October 25, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | OK GlucoBlue | Calorie Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 58 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [OK Biotech Co., Ltd.](https://appshunter.io/developer/1610053607) | [Jonata Oliveira](https://appshunter.io/developer/1439233114) |

## What reviewers say

### OK GlucoBlue

[App page](https://appshunter.io/ios/app/ok-glucoblue/id1610053605)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calorie Tracker

[App page](https://appshunter.io/ios/app/calorie-tracker-nutriai/id6742901094)

Effortlessly track your nutrition and achieve health goals with an AI-powered assistant. Simply snap a photo of your meal for instant calorie and macronutrient analysis. Receive personalized plans and insights to guide your diet and fitness journey.

**Highlights:** AI meal analysis via photo, Calorie and macronutrient tracking, Personalized nutrition plans, Weight and body fat tracking, Support for various diets, Apple Sign-In for privacy

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NutriAI Weekly Plan | $2.99 | per 7 days |
| NutriAI Monthly Plan | $8.99 | per month |
| NutriAI Yearly Plan | $49.99 | per year |


## Frequently asked questions

### Is OK GlucoBlue free?

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

### Is Calorie Tracker free?

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

### Do OK GlucoBlue or Calorie Tracker have ads?

Calorie Tracker shows ads; OK GlucoBlue does not.

### Which is updated more often, OK GlucoBlue or Calorie Tracker?

OK GlucoBlue ships an update every 2 months, and Calorie Tracker every 8 days. Most recently, OK GlucoBlue was updated on October 25, 2026 and Calorie Tracker 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.*