# Belly Flow vs Mello

The clearest difference is in-app purchases: Belly Flow at none against Mello's 3. Belly Flow also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). Mello's advantage is update cadence (every 10 days vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. Mello sells 3 in-app purchases, starting at $5.99 per month. Belly Flow asks for nothing beyond the download.

Belly Flow ships an update every 3 weeks, Mello every 10 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Belly Flow | Mello |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/mello-gastroparesis-tracker/id6779653635/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 23 MB | 6 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Gabriella Broberg](https://appshunter.io/developer/1833119841) | [Ngo Pham Huy](https://appshunter.io/developer/973008275) |

## What reviewers say

### Belly Flow

[App page](https://appshunter.io/ios/app/belly-flow/id6751012592)

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

**In-app purchases:** none


### Mello

[App page](https://appshunter.io/ios/app/mello-gastroparesis-tracker/id6779653635)

This app helps individuals with gastroparesis track meals and symptoms. It focuses on texture, fat, and fiber, offering insights into food tolerance and symptom trends. Features include meal templates, symptom logging, and a shareable dining card.

**Highlights:** Gastroparesis-specific meal logging (texture, fat, fiber), On-device gastric-ease scoring, Integrated symptom tracking (nausea, fullness, bloating), Safe/Caution/Trigger food lists, Menu Scan for restaurant menus (Pro), Shareable dining card, Monthly Tolerance Report for doctors

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mello Pro (Monthly) | $5.99 | per month |
| Mello Pro (Yearly) | $39.99 | per year |
| Mello Pro (one-off) | $14.99 | one-time |


## Frequently asked questions

### Is Belly Flow free?

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

### Is Mello free?

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

### Do Belly Flow or Mello have ads?

Neither Belly Flow nor Mello shows ads.

### Which is updated more often, Belly Flow or Mello?

Belly Flow ships an update every 3 weeks, and Mello every 10 days. Most recently, Belly Flow was updated on November 5, 2026 and Mello on November 10, 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.*