# Monash FODMAP Diet vs Constipation Diary

The clearest difference is price: Constipation Diary at Free against Monash FODMAP Diet's $7.99. Constipation Diary also leads on iOS requirement (13.0 vs 17). Monash FODMAP Diet's advantage is rating (4.2 vs 2.3) and review sentiment (49% vs 17%). On ads, in-app purchases and device support there is nothing between them.

Constipation Diary is free to download; Monash FODMAP Diet costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Monash FODMAP Diet holds the better App Store score, 4.2 against 2.3. That said, the two scores are not equally well evidenced: Monash FODMAP Diet has 2.6K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 49% of Monash FODMAP Diet's written reviews are positive against 17% of Constipation Diary's.

Monash FODMAP Diet ships an update every 10 days, Constipation Diary every 2 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Monash FODMAP Diet | Constipation Diary |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.2 (2.6K ratings)](https://appshunter.io/ios/app/monash-fodmap-diet/id586149216/reviews)** | [2.3 (7 ratings)](https://appshunter.io/ios/app/constipation-diary/id1438081421/reviews) |
| Number of ratings | **2.6K** | 7 |
| Positive reviews | **49.3% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#1** | — |
| Size | 30 MB | 11 MB |
| Requires iOS | 17 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Monash University](https://appshunter.io/developer/427380448) | [Amalesh Sanku](https://appshunter.io/developer/1387171071) |

## What reviewers say

### Monash FODMAP Diet

[App page](https://appshunter.io/ios/app/monash-fodmap-diet/id586149216)

**Currently charting:** #1 Top Paid · Medical, #17 Top Paid, #48 Top Grossing · Medical (US App Store)

Manage gastrointestinal symptoms associated with IBS using a scientifically developed low FODMAP diet. This app provides a comprehensive food guide with a traffic light system, certified low FODMAP products, and over 70 recipes. Track your diet, symptoms, and progress through the 3-Step FODMAP diet.

**Highlights:** Low FODMAP food guide with traffic light system, Certified low FODMAP branded products, Over 70 low FODMAP recipes, Food and symptom diary, Tutorials for the 3-Step FODMAP diet, Customizable shopping lists

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Helpful and informative
- 🔒 Reliable and evidence-based information
- 👍 Easy to use and navigate
- 💡 Useful diary and tracking features
- 🚀 Regularly updated with new foods

**What reviewers complain about**

- 🐛 Crashes when trying to export diary
- 👎 Limited recipes and meal planning options
- 👎 Inconsistent or confusing food ratings
- 👎 Lacks integration with other devices
- 👎 Incomplete food database, especially for US users

**Reported bugs**

- Crashes when trying to access food diary
- Search function not working consistently
- Incorrect or contradictory food ratings

**Requested features**

- Ability to add custom foods and recipes
- Sync diary and data across devices
- More advanced filtering and sorting options
- Barcode scanning for packaged foods
- Integration with other diet/health tracking apps


### Constipation Diary

[App page](https://appshunter.io/ios/app/constipation-diary/id1438081421)

This app helps individuals track daily bowel movements and related symptoms to better understand and manage constipation. It's designed for prospective assessment in clinical trials and for personal health management.

**Highlights:** Daily symptom tracking, Bowel movement frequency, Stooling habit recording, Constipation assessment, Clinical trial data collection, Patient-reported outcomes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Monash FODMAP Diet free?

Monash FODMAP Diet costs $7.99, with no in-app purchases.

### Is Constipation Diary free?

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

### Which has better reviews, Monash FODMAP Diet or Constipation Diary?

Monash FODMAP Diet is rated higher. Monash FODMAP Diet averages 4.2 out of 5 from 2.6K ratings, while Constipation Diary averages 2.3 from 7 ratings.

### Do Monash FODMAP Diet or Constipation Diary have ads?

Neither Monash FODMAP Diet nor Constipation Diary shows ads.

### Which is updated more often, Monash FODMAP Diet or Constipation Diary?

Monash FODMAP Diet ships an update every 10 days, and Constipation Diary every 2 months. Most recently, Monash FODMAP Diet was updated on November 6, 2026 and Constipation Diary on November 2, 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.*