# RethinkEd vs CarbSense

The clearest difference is in-app purchases: RethinkEd at none against CarbSense's 2. CarbSense's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CarbSense sells 2 in-app purchases, starting at $2.99 per month. RethinkEd asks for nothing beyond the download.

RethinkEd ships an update every 2 months, CarbSense every 4 days. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | RethinkEd | CarbSense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 46 MB | 48 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Rethink Autism](https://appshunter.io/developer/496625655) | [Amandine Agnes F Levecq](https://appshunter.io/developer/1840935601) |

## What reviewers say

### RethinkEd

[App page](https://appshunter.io/ios/app/rethinked/id1660089692)

**Features:** Vision Pro support

**In-app purchases:** none


### CarbSense

[App page](https://appshunter.io/ios/app/carbsense-learn-count-carbs/id6752789557)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per month |
| Premium Yearly | $14.99 | per year |


## Frequently asked questions

### Is RethinkEd free?

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

### Is CarbSense free?

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

### Do RethinkEd or CarbSense have ads?

Neither RethinkEd nor CarbSense shows ads.

### Which is updated more often, RethinkEd or CarbSense?

RethinkEd ships an update every 2 months, and CarbSense every 4 days. Most recently, RethinkEd was updated on October 10, 2026 and CarbSense on October 11, 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.*