# CVS Tracker vs Nibble

The clearest difference is in-app purchases: Nibble at none against CVS Tracker's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CVS Tracker sells 1 one-off in-app purchase. Nibble asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CVS Tracker | Nibble |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Freemium | — |
| Size | 41 MB | 5 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Winter](https://appshunter.io/developer/1894362377) | [Yeonni Lee](https://appshunter.io/developer/1710530643) |

## What reviewers say

### CVS Tracker

[App page](https://appshunter.io/ios/app/cvs-tracker-sickness-diary/id6769531416)

This app helps parents and caregivers meticulously log Cyclical Vomiting Syndrome episodes. It offers quick logging, detailed symptom tracking, medication records, and pattern analysis. Premium features include PDF/CSV reports and family sharing with cloud backup.

**Highlights:** One-tap episode logging, Lock Screen and Dynamic Island integration, Timeline view per episode, Medication recording and reminders, Pattern analysis of episodes, Doctor report generation (PDF/CSV with Premium), Family sharing and cloud backup (Premium)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CVS Tracker Premium | $4.99 | one-time |


### Nibble

[App page](https://appshunter.io/ios/app/nibble-pet-weight-tracker/id6778799434)

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

**In-app purchases:** none


## Frequently asked questions

### Is CVS Tracker free?

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

### Is Nibble free?

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

### Do CVS Tracker or Nibble have ads?

Neither CVS Tracker nor Nibble shows ads.

### Which is updated more often, CVS Tracker or Nibble?

CVS Tracker ships an update weekly, and Nibble weekly. Most recently, CVS Tracker was updated on October 31, 2026 and Nibble on November 3, 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.*