App comparison · checked 2026-10-21
OBubba vs PiyoLog (ぴよログ): features, price and ratings compared
A factual, side-by-side look at OBubba and PiyoLog (ぴよログ), using each app’s own listings. No spin, just what each one says it does.
The short version
PiyoLog (ぴよログ)
In their words: “ぴよログは記録をリアルタイムに共有できる育児記録アプリです (PiyoLog is a childcare record app that lets you share records in real time)”
Made by PiyoLog Inc.
OBubba
A baby sleep tracker that learns your baby’s rhythm and looks for the reason behind a bad night. Listed with Nap and bedtime predictions, Step-by-step sleep plan or coaching, In-app sleep coach chat, Pumping log, Solids and weaning, Growth percentiles, which we could not find on PiyoLog (ぴよログ)’s own pages.
Side by side
| Feature | OBubba | PiyoLog (ぴよログ) |
|---|---|---|
| App Store rating (US) | 4.7 ★ (83 ratings) | 4.9 ★ (2,697 ratings) |
| App Store rating (UK) | 4.9 ★ (26 ratings) | 4.9 ★ (165 ratings) |
| In-app prices (US App Store) | $7.99 to $129.99 | $3.49 to $34.99 |
| Platforms | iOS, Android, Apple Watch | iOS, iPadOS, watchOS, Android |
| App languages | 13 | 9 |
| Nap and bedtime predictions | Yes | Not stated |
| Step-by-step sleep plan or coaching | Yes | Not stated |
| In-app sleep coach chat | Yes | Not stated |
| 1:1 human sleep consultant | No | Not stated |
| Feed tracking | Yes | Yes |
| Nappy (diaper) tracking | Yes | Yes |
| Pumping log | Yes | Not stated |
| Solids and weaning | Yes | Not stated |
| Growth percentiles | Yes | Not stated |
| Milestones | Yes | Not stated |
| Partner sync | Yes | Yes |
| Sharing with other carers | Yes | Yes |
| White noise and sleep sounds | Yes | Not stated |
| Import from another app (CSV) | Yes | Not stated |
| Export your data | Yes | Not stated |
| Home screen widgets | Yes | Not stated |
| Live Activities | Yes | Not stated |
| Apple Watch app | Yes | Yes |
| Pregnancy tracking | Yes | Not stated |
| Twins and multiple babies | Yes | Yes |
Facts about other apps come from their own App Store and Google Play listings and websites, checked on 2026-10-21. “Not stated” means we could not find the feature on their own pages, not that it is missing. Prices are the in-app purchase prices listed on the US App Store and vary by country and over time. PiyoLog (ぴよログ) are trademarks of their respective owners. OBubba is not affiliated with, endorsed by or sponsored by them. Spotted something out of date? Email hello@obubba.com and we will correct it.
Worth knowing about PiyoLog (ぴよログ)
- App Store listing record types include nursing, formula, pumped breast milk, baby food, poop, pee, sleep, temperature, height and weight.
- Listing mentions a nursing timer, daily time bar, weekly graphs, a growth curve function and next-nursing notifications.
- Official website mentions PDF export, Siri and Alexa voice logging, and AI assistant support.
- Google Play shows 4.9 stars from 28,761 ratings and 1M+ downloads; Apple lists an Apple Watch build.
What OBubba is built to do
Switching from PiyoLog (ぴよログ)
- Check whether PiyoLog (ぴよログ) offers an export on your plan. If it does, OBubba can import CSV files from most baby trackers.
- If not, start fresh: OBubba begins with age-based guidance on day one and learns your baby’s rhythm within a week or two of logging.
- Invite your partner on the free plan so you both log into the same record from the start.
Try it on your own baby
See OBubba’s predictions for your baby this week.
Free to download. Partner sync included. A 7-day free trial of Premium guidance.
Questions
Is OBubba free like PiyoLog (ぴよログ)?
OBubba is free to download with core tracking, partner sync and carer sharing included. Premium guidance costs $7.99 a month, $79.99 a year or $129.99 once on the US App Store, with a 7-day free trial. For PiyoLog (ぴよログ), their own listing says: The official website describes PiyoLog as a free childcare record app that couples can share; a Premium plan is sold as an in-app purchase.
Can I move my data from PiyoLog (ぴよログ) to OBubba?
Check whether PiyoLog (ぴよログ) offers an export on your plan. If it does, OBubba can import CSV files from most baby trackers. If not, start fresh: OBubba begins with age-based guidance on day one and learns your baby’s rhythm within a week or two of logging. Invite your partner on the free plan so you both log into the same record from the start.
Which is better for baby sleep, OBubba or PiyoLog (ぴよログ)?
It depends what you need. OBubba is built around sleep: it learns your baby’s wake windows, predicts naps and bedtime, and looks at over 30 common reasons sleep goes wrong with a gentle plan for each. Trying both on your own baby for a week is the fairest test.