Bowel Habit Diary vs Unki
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bowel Habit Diary
Track your bowel movements and related health data. Log frequency, consistency, and medication intake. Analyze trends with graphs and protect your sensitive information with biometric security.
- Log bowel movement frequency and interval
- Record stool consistency and color
- Track medication intake
- View history in calendar and list formats
- Analyze data with graphs
- Biometric security (Touch ID/Face ID)
- iCloud sync across Apple devices
Read full descriptionHide full description
- Check the number of days since your last bowel movement and your overall frequency (average interval). - When you have a bowel movement, simply tap an icon to record the date/time and amount (3 levels). - Receive notifications if there is no bowel movement for a selected period (1, 2, or 3 days). - Optionally record stool consistency (3 levels), color (3 levels), and notes. ※ - Record the date and time when you take medications such as laxatives. - Add past records by specifying the date and time. ※ - View your bowel movement history in a calendar format. ※ - Analyze your data by time of day or day of the week for a selected period and view it in graphs. ※ - Protect your records with Touch ID or Face ID. ※ - View past bowel movement history in a list format. 《Apple Watch only》 - Records are synced and managed via iCloud across Apple Watch, iPhone, and iPad. For example, you can record on your Apple Watch and review the calendar on your iPhone or iPad. Incorrect records can be deleted from either device. - Direct recording mode that connects Apple Watch directly to iPhone without using iCloud. 《Apple Watch only》 ※ Available on iPhone/iPad only
Unki
Read full descriptionHide full description
Keep a simple record of your bowel movements with Unki! Choose the stool type that best matches each visit: hard pellets, normal, soft, or watery. Your record is saved with its date and time, without long forms to fill in. FEATURES • Record bowel movements with a tap • Review daily entries and your calendar • Edit the date, time, and stool type • View trends over time • Record from Apple Watch BACKUP AND SYNC • Optional iCloud sync: turn it on in Settings to sync entries across devices signed in to the same Apple Account via your private CloudKit database. • JSON backup: export your entries to a file you can keep. • Restore: import a saved backup, keeping existing entries and avoiding duplicate IDs. iCloud sync is optional. You can continue saving entries on your device without enabling it. We recommend keeping a backup before first-time sync or switching devices. Unki! is for personal record-keeping and does not provide medical diagnoses or treatment.
Screenshots
Verdict
The clearest difference is price: Unki at Free against Bowel Habit Diary's $1.99. Unki also leads on update cadence (weekly vs every 6 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Unki is free to download; Bowel Habit Diary costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Bowel Habit Diary ships an update every 6 weeks, Unki weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | Bowel Habit Diary | Unki |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 69.2% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 13 MB |
| Age rating | 12+ | 4+ |
| Developer | Shinya Taguchi | Daisaku Mori |
In-app purchases
Bowel Habit Diary
No in-app purchases
Unki
No in-app purchases








