# UnderForge vs Meal Sensor

The clearest difference is in-app purchases: UnderForge at none against Meal Sensor's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Meal Sensor sells 4 in-app purchases, starting at $3.99 per month. UnderForge asks for nothing beyond the download.

UnderForge ships an update every 9 days, Meal Sensor every 10 days. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | UnderForge | Meal Sensor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 10 days |
| Size | 126 MB | 76 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Venture CO Group Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/6800294425) | [INFO INLET K.K.](https://appshunter.io/developer/1599046226) |

## What reviewers say

### UnderForge

[App page](https://appshunter.io/ios/app/underforge/id6758098630)

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

**In-app purchases:** none


### Meal Sensor

[App page](https://appshunter.io/ios/app/meal-sensor-calorie-counter/id6759514021)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Offer | $3.99 | per month |
| Premium Monthly | $4.99 | per month |
| Premium Yearly Offer | $23.99 | per year |
| Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is UnderForge free?

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

### Is Meal Sensor free?

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

### Do UnderForge or Meal Sensor have ads?

Neither UnderForge nor Meal Sensor shows ads.

### Which is updated more often, UnderForge or Meal Sensor?

UnderForge ships an update every 9 days, and Meal Sensor every 10 days. Most recently, UnderForge was updated on September 28, 2026 and Meal Sensor on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*