# The Carter vs Haloscan

The clearest difference is in-app purchases: The Carter at none against Haloscan's 2. Haloscan's advantage is update cadence (every 2 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Haloscan sells 2 in-app purchases, starting at $4.99 per 7 days. The Carter asks for nothing beyond the download.

The Carter ships an update monthly, Haloscan every 2 days. The most recent releases landed on November 11, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | The Carter | Haloscan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/haloscan-thyroid-lab-tracker/id6812518480/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 193 MB | 53 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Refit Group Ltd](https://appshunter.io/developer/1721522319) | [Haloscan, LLC](https://appshunter.io/developer/6812518482) |

## What reviewers say

### The Carter

[App page](https://appshunter.io/ios/app/the-carter/id6474433163)

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

**In-app purchases:** none


### Haloscan

[App page](https://appshunter.io/ios/app/haloscan-thyroid-lab-tracker/id6812518480)

This app helps individuals managing thyroid conditions track their lab results, symptoms, and medication changes on a single timeline. It generates a concise, doctor-friendly report to facilitate better conversations with healthcare providers.

**Highlights:** Unified timeline for labs, symptoms, and dose changes, Visual correlation of symptoms and lab markers, 60-second doctor-readable reports, Tracking of lab results against laboratory ranges, Daily symptom logging, Medication dose and change tracking with reminders, Biotin intake flagging before blood draws

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Haloscan Weekly | $4.99 | per 7 days |
| Haloscan Annual | $69.99 | per year |


## Frequently asked questions

### Is The Carter free?

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

### Is Haloscan free?

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

### Do The Carter or Haloscan have ads?

Neither The Carter nor Haloscan shows ads.

### Which is updated more often, The Carter or Haloscan?

The Carter ships an update monthly, and Haloscan every 2 days. Most recently, The Carter was updated on November 11, 2026 and Haloscan on November 6, 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.*