Time vs Oto Diary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time
Capture and record daily growth and changes with this app. Create time-lapse videos of plants, pets, or personal progress. Easily visualize evolution over time and share precious moments.
- Daily photo capture
- Time-lapse video creation
- Calendar view for records
- Track plant growth
- Monitor pet development
- Record self-growth
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"Growth Camera" is an app for capturing and recording daily growth and changes. With this app, you can time-lapse the growth of any subject, including plants, pets, and self-growth. The features of the app are as follows Daily shots: Take a photo every day at the same angle of view to record minute changes in growth. Time-lapse video: Record images that can later be converted to video to see the growth process at a glance. Calendar view: View past growth records on a calendar, making it easier to access specific dates. Use the "Growth Camera" to easily visualize how your growth has changed over time and enjoy the process of growth. Track your natural evolution and personal progress and share your precious moments. [App preview] Bart Thoen,"Ginkgo Biloba Timelapse" (https://www.youtube.com/watch?v=0pAnDHu8BLE)
Oto Diary
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Some moments can't be captured in a photo or a sentence. Oto Diary is an audio journal that keeps the sound of your day in as little as 10 seconds. Just press and hold the cassette reel. One year later, on the same day, that sound comes back to you as a Time Capsule. The more days you record, the more your calendar and Year view fill up with a year that's uniquely yours. ■ Features · Press and hold the reel to record (choose 10, 30 or 60 seconds and more, once a day) · Label each tape with a title and one of five moods: Calm, Happy, Tired, Tender, Wonder · Calendar: every recorded day gets a waveform. Tap a day to play it back · Year view: see all twelve months of your recordings at a glance · Time Capsule: a notification brings back the sound you recorded one year ago today · Not so long ago: replay what you recorded one week and one month ago, right in the Capsule tab · Favorites: keep your most precious recordings in one album · Streaks: see how many days in a row you've kept going · Daily reminder at the time you choose ■ Perfect for · Anyone who never managed to keep a written journal · Parents saving their kids' voices, pet owners, families · Capturing your commute, your travels, and the changing seasons in sound · Building a tiny 10-second daily habit · Keeping memories in a form that photos can't ■ Privacy · Every recording is stored on this device · No account needed. Your recordings are never uploaded to a server · The mic is used only while you hold the reel, with a recording light on screen · To introduce other apps by the same developer, the app may load public App Store information. Your recordings and entries are never sent
Screenshots
Verdict
The clearest difference is ads: Oto Diary at none against Time's shown. Time's advantage is update cadence (weekly vs every 6 weeks) and iOS requirement (11.0 vs 16.0). On price, in-app purchases and device support 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
Both are free to download. Time sells 1 in-app purchase, starting at $2.99 per month and Oto Diary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Time ships an update weekly, Oto Diary every 6 weeks. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.
| Parameter | Time | Oto Diary |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Weekly — better | Every 6 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 65 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Hiroto Morita | torankirite |
In-app purchases
Time
- Premium$2.991 Month
Oto Diary
- Sound Diary Premium$3.99









