# Bristol Stool Chart vs Ploply

The clearest difference is review sentiment: Ploply at 100% against Bristol Stool Chart's 40%. Ploply also leads on rating (3.7 vs 2.1) and update cadence (every 3 weeks vs every 2 months). Bristol Stool Chart's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Ploply sells 2 in-app purchases, starting at $1.99 per month. Bristol Stool Chart asks for nothing beyond the download.

Ploply holds the better App Store score, 3.7 against 2.1. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews point the same way: 40% of Bristol Stool Chart's written reviews are positive against 100% of Ploply's.

Bristol Stool Chart ships an update every 2 months, Ploply every 3 weeks. The most recent releases landed on August 30, 2026 and July 9, 2026 respectively.

## The numbers

| Metric | Bristol Stool Chart | Ploply |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (8 ratings)](https://appshunter.io/ios/app/bristol-stool-chart/id1085553424/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/ploply/id6444070599/reviews)** |
| Number of ratings | **8** | 3 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 29 MB | 65 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Web Garden Limited](https://appshunter.io/developer/466239626) | [Carlo Palumbo](https://appshunter.io/developer/1357103250) |

## What reviewers say

### Bristol Stool Chart

[App page](https://appshunter.io/ios/app/bristol-stool-chart/id1085553424)

Monitor your digestive health with this tool that helps you rate and record stool quality over time. Visualize your progress with easy-to-interpret graphs and access information about different stool types. Optionally track blood in your stools and share data with your healthcare provider.

**Highlights:** High-resolution images of stool types, Quick stool quality rating, Record stool information over time, Optional notes and blood tracking, Interpretable stool quality graph, Information on stool types

**Features:** macOS Compatibility

**In-app purchases:** none


### Ploply

[App page](https://appshunter.io/ios/app/ploply/id6444070599)

Monitor your digestive health with a private tracker for bowel movements, symptoms, food, and hydration. Identify patterns and make informed decisions about your gut health. Secure your data with PIN protection.

**Highlights:** Log bowel movements with detailed parameters, Track food and hydration intake, Record medications and set reminders, Monitor mood and digestive symptoms, Identify patterns between diet and symptoms, Secure data with PIN protection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ploply Pro Monthly | $1.99 | per month |
| Ploply Pro Annual | $19.99 | per year |


## Frequently asked questions

### Is Bristol Stool Chart free?

Bristol Stool Chart is free to download, with no in-app purchases.

### Is Ploply free?

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

### Which has better reviews, Bristol Stool Chart or Ploply?

Ploply is rated higher. Bristol Stool Chart averages 2.1 out of 5 from 8 ratings, while Ploply averages 3.7 from 3 ratings.

### Do Bristol Stool Chart or Ploply have ads?

Neither Bristol Stool Chart nor Ploply shows ads.

### Which is updated more often, Bristol Stool Chart or Ploply?

Bristol Stool Chart ships an update every 2 months, and Ploply every 3 weeks. Most recently, Bristol Stool Chart was updated on August 30, 2026 and Ploply on July 9, 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.*