# 21 Day Container Tracker vs Nutrition Tracker

The clearest difference is ads: 21 Day Container Tracker at none against Nutrition Tracker's shown. Nutrition Tracker's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 21 Day Container Tracker sells 3 in-app purchases, starting at $4.99 per 7 days and Nutrition Tracker sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

21 Day Container Tracker ships an update every 3 weeks, Nutrition Tracker fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | 21 Day Container Tracker | Nutrition Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (511 ratings)](https://appshunter.io/ios/app/21-day-container-tracker/id994287813/reviews)** | — |
| Number of ratings | **511** | — |
| Positive reviews | 74.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Subscription | — |
| Size | 45 MB | 53 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Cube Software Solutions Inc.](https://appshunter.io/developer/994287812) | [Christian Nagata](https://appshunter.io/developer/1839018157) |

## What reviewers say

### 21 Day Container Tracker

[App page](https://appshunter.io/ios/app/21-day-container-tracker/id994287813)

This app helps users track their progress on a 21-day program. It allows for easy logging of containers, water intake, exercises, and body measurements. Visualize your journey with progress graphs and access an approved food list.

**Highlights:** Tap & Track™ container and water logging, Automatic container generation, Body Part Indicator™ measurements, Exercise tracking with custom options, Daily notes and body weight tracking, Progress graphs, Approved food list

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 21 Day Tracker Weekly | $4.99 | per 7 days |
| 21 Day Container Tracker Pro | $29.99 | per year |
| 21 Day Tracker Annual Pro | $29.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 📊 Helpful for tracking progress
- 🔍 Comprehensive food lists
- 🗓️ Convenient for daily tracking
- 💪 Supports various fitness programs

**What reviewers complain about**

- 💰 Paid subscription required
- 🔁 Resets data after each cycle
- 🚫 Limited customization options
- 📋 Lacks detailed food logging
- 🔔 Needs more notifications/reminders

**Reported bugs**

- Data loss when switching between cycles
- Compatibility issues with older devices
- Inconsistent container tracking behavior

**Requested features**

- Ability to manually enter food items
- Long-term data tracking and analytics
- Integration with other fitness apps
- Customizable container settings
- Meal planning and recipe suggestions


### Nutrition Tracker

[App page](https://appshunter.io/ios/app/nutrition-tracker-dietflow/id6763567876)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DietFlow Premium (Monthly) | $4.99 | per month |
| DietFlow Premium (Yearly) | $24.99 | per year |


## Frequently asked questions

### Is 21 Day Container Tracker free?

21 Day Container Tracker is free to download, with in-app purchases available.

### Is Nutrition Tracker free?

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

### Do 21 Day Container Tracker or Nutrition Tracker have ads?

Nutrition Tracker shows ads; 21 Day Container Tracker does not.

### Which is updated more often, 21 Day Container Tracker or Nutrition Tracker?

21 Day Container Tracker ships an update every 3 weeks, and Nutrition Tracker fortnightly. Most recently, 21 Day Container Tracker was updated on October 24, 2026 and Nutrition Tracker 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.*