# Dialysis Diary vs IBS Symptom Tracker & Diary

The clearest difference is in-app purchases: Dialysis Diary at none against IBS Symptom Tracker & Diary's 2. Dialysis Diary also leads on update cadence (every 3 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. IBS Symptom Tracker & Diary sells 2 in-app purchases, starting at $9.99 per month. Dialysis Diary asks for nothing beyond the download.

Dialysis Diary ships an update every 3 days, IBS Symptom Tracker & Diary every 3 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dialysis Diary | IBS Symptom Tracker & Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 months |
| Size | 39 MB | 7 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Kryon Knowledge Works](https://appshunter.io/developer/1822461060) | [Muddusir Ayaz](https://appshunter.io/developer/1891330339) |

## What reviewers say

### Dialysis Diary

[App page](https://appshunter.io/ios/app/dialysis-diary/id6768959050)

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

**In-app purchases:** none


### IBS Symptom Tracker & Diary

[App page](https://appshunter.io/ios/app/ibs-symptom-tracker-and-diary/id6781523913)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IBS OS Monthly | $9.99 | per month |
| IBS OS Annual | $59.99 | per year |


## Frequently asked questions

### Is Dialysis Diary free?

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

### Is IBS Symptom Tracker & Diary free?

IBS Symptom Tracker & Diary is free to download, with in-app purchases available.

### Do Dialysis Diary or IBS Symptom Tracker & Diary have ads?

Neither Dialysis Diary nor IBS Symptom Tracker & Diary shows ads.

### Which is updated more often, Dialysis Diary or IBS Symptom Tracker & Diary?

Dialysis Diary ships an update every 3 days, and IBS Symptom Tracker & Diary every 3 months. Most recently, Dialysis Diary was updated on October 7, 2026 and IBS Symptom Tracker & Diary on October 24, 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.*