Can Babybook Sync Across IPhone And Android Devices?

Okay, let’s nerd out about this — syncing a plain old 'todo.txt' across Android, iPhone, and desktop is wonderfully simple once you pick the right sync layer and apps, but there are a few little gotchas I’ve learned the hard way. First, pick your sync service. For most folks Dropbox is the path of least resistance because many dedicated todo.txt apps speak Dropbox natively. If you care more about privacy or run your own server, Nextcloud/WebDAV is stellar. Syncthing is great for direct device-to-device sync (no cloud), but iOS support is fiddly compared to Android and desktop. Once you pick a provider, create one canonical file like ~/Dropbox/todo/todo.txt (or the equivalent folder in iCloud Drive / Nextcloud) so every client points to the same path. Next, choose the apps. On Android I use 'Simpletask' (or the Simpletask family) because it understands the todo.txt format, supports Dropbox/WebDAV, and has filtering/undo. On iPhone there’s 'Todo.txt Touch' or any plain text editor that can open files via the Files provider — many iOS apps can edit files inside Dropbox or iCloud Drive. On desktop I alternate between a small GUI (like 'todotxt.net' on Windows or a light editor on macOS) and the command-line tool 'todo.sh' / 'todotxt-cli' when I want power. Point every app to the same file path in your chosen sync service and let the cloud do the heavy lifting. A couple of practical tips from my own messy inbox: always let the sync finish before switching devices to avoid conflicts, and check app settings for atomic saves (some editors rewrite the whole file and can create duplicates). If you expect heavy concurrent editing, consider using Git on top of the file for history and easier conflict resolution, or use Nextcloud’s versioning. Name conventions help: keep one file (not multiple files named todo1.txt/todo2.txt) and use lower-case dot extension like todo.txt. Finally, add automated backups (a daily cron or cloud versioning) and consider small automations — I pipe urgent @today items into my calendar or set phone reminders via shortcuts/Tasker. Once it’s set up, that single plain-text brain is surprisingly calming — like a tidy bookshelf for your tasks.

BookBuddy supports synchronization across devices using iCloud. Once enabled, your book lists, notes, and edits automatically update across your iPhone, iPad, or Mac. The process is seamless—just sign in with the same Apple ID, and your entire library stays consistent everywhere. It’s a convenient solution for users who manage their collection from multiple devices.

Don’t overlook Kobo! Their app syncs your Kobo-purchased ebooks and audiobooks across devices. Their audiobook catalog is growing, and if you get both formats, the experience is similar to Kindle’s Whispersync. Progress syncs between the iPhone app, their e-readers, and the desktop. I find their store recommendations and reading stats more appealing than Amazon’s, and they support more open formats like EPUB. It’s a great alternative if you want to support a dedicated bookseller that isn’t part of a tech mega-conglomerate. The sync is reliable and the app is pleasantly book-focused.

I wonder if any of these apps have a 'family sharing' feature for sync? Like, if my spouse and I are listening to the same book on our own devices, can we share progress? That would be next-level. I think most sync is per-account, not per-book. Might be a privacy thing.

Cloud storage is the key. Any app that uses iCloud Drive or Dropbox as its backend for syncing book files and progress data is generally safe. The app itself could vanish from the App Store, but your data is in a standard cloud folder you can access. This is why I prefer apps that use iCloud Drive explicitly over their own proprietary sync servers. It gives me a fallback. I can see my book files and the database file sitting in my Files app, which is comforting.

I've had mixed results with Chirp's sync. Sometimes it's perfect, other times I've had to manually seek to my last known position. It might depend on your network when you switch. For their heavily discounted titles, it's fine. For a 100% reliable sync experience, I'd lean on Libby or Hoopla first.

I can confidently say that sharing books between an iPad and iPhone is not only possible but incredibly seamless. Apple's ecosystem is designed to sync content effortlessly across devices using iCloud. When you purchase or download a book from Apple Books, it automatically appears in your library on all devices signed in with the same Apple ID. For those who prefer manual control, you can enable the 'Sync Collections' option in the Books app settings to ensure your reading progress, bookmarks, and notes stay updated. If you use third-party apps like Kindle or Google Play Books, their sync features work similarly, though you might need to manually download the book on each device. I’ve found this system perfect for switching between my iPad at home and iPhone on the go without missing a beat.

I still get a little giddy scrolling through my baby's timeline—'babybook' makes that feeling addictive. The app organizes photos and videos into a clean, chronological feed and turns milestones into shareable cards, so I don’t have to wrestle with folders or forget when the first tooth actually popped through. It also tracks growth metrics—weight, length, head circumference—and plots them on percentile charts that I can show the pediatrician without hunting for receipts. Practically speaking, I use the feeding and sleep logs every day. There are timers for nursing and bottle sessions, diaper-change notes, and a neat history for each. Reminders for vaccinations and doctor appointments keep me from panicking when I realize it’s been three months since a checkup. I love that I can export everything into a printable keepsake book or PDF, invite family to view specific entries, and back up to the cloud so memories aren’t lost if my phone dies. For a sentimental mess like me, it’s exactly the combo of practical and heartwarming I need.

The iBooks Author format (.iba) is a thing, but nobody uses it. Moving on.