usagiDiary vs いつモノ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
usagiDiary
Easily track your rabbit's daily health and care activities. Monitor food intake, weight, droppings, and more with customizable categories and a visual calendar. Get deeper insights with premium features for long-term health tracking.
- Daily health logging for rabbits
- Customizable care categories
- Calendar view of entries
- Visual weight tracking chart
- Support for multiple rabbits
- Birthday and anniversary celebrations
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"Is my rabbit eating less than usual?" That small observation could be the first step to protecting your rabbit's health. usagi Diary makes daily care visible and helps you spot changes early. [Made for rabbits - done in 30 seconds] Food amount, weight, droppings, urine, water intake, grooming, vet visits, medication, and diary. 9 categories designed just for rabbits. No unnecessary steps, so you can keep it up every day. Reorder the categories or hide the ones you don't need. Customize it to fit your routine. [Calendar view for the full picture] Every entry shows up as a marker on the calendar. Tap a date to instantly see that day's records. Perfect for preparing before your next vet visit. [Weight chart catches changes] Track your rabbit's weight over time with a visual chart. Color-coded zones based on veterinary guidelines show you at a glance what to watch for. Charts up to 1 month are free. [Multiple rabbits welcome] Register as many rabbits as you like. Switch between them with one tap and manage each health record separately. [Celebrate birthdays and anniversaries] "She turns 3 today!" "100 days since coming home!" Birthdays, anniversaries, and milestones are celebrated automatically. Your daily entries become memories too. [Premium for deeper insights] - Weight chart from 3 months to all time - Breed-specific growth curves for comparison - Water intake chart All recording features and the weight chart up to 1 month are free. Start with your first entry today. Languages: English / Deutsch / 日本語 / 한국어
いつモノ
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「いつモノ」は、あなたがいつも買っているモノの値段を記録して、その移り変わりを眺めるアプリです。 ガソリン、お米、コーヒー豆、洗剤、電気やガス。毎日のように買って、使って、また買う——そんな“いつものモノ”の値段は、気づかないうちに少しずつ変わっています。いつモノなら、買ったときに値段をひとつメモしておくだけ。面倒なグラフ化や、去年との比べっこは、アプリが静かにやっておきます。 <できること> ・ガソリンやお米など、買うたびに値段をメモ ・電気・ガス・水道は、料金と使用量をまとめて記録 ・記録した瞬間に「去年の同じころより ◯%」をそっと表示 ・年ごとに重ねたグラフで、値段や使用量の移り変わりを確認(点をタップで詳細) ・「単価のうごき」で、"支出が増えた"のか"単価そのものが上がった(インフレ)"のかを切り分け ・スーパーの買い物のように、月ごとの合計で見たいものにも対応 ・記録する項目は、名前・単位・アイコンから自由に追加・カスタマイズ <このアプリの姿勢> いつモノは、予測や比較はいつも「目安」として、どのくらい確かかも一緒に示します。数字を眺めて「最近ちょっと上がったな」と気づく——それだけで十分だと考えています。 家計簿のように、すべてを記録する必要はありません。気になるモノひとつから、はじめてみてください。完全無料・広告なし。記録は端末のなかだけに保存されます(CSVで書き出し・読み込みも可能)。
Screenshots
Verdict
The clearest difference is in-app purchases: いつモノ at none against usagiDiary's 2. On price, update cadence, ads 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. usagiDiary sells 2 in-app purchases, starting at $2.99 per month. いつモノ asks for nothing beyond the download.
usagiDiary ships an update fortnightly, いつモノ every 9 days. The most recent releases landed on November 8, 2026 and October 25, 2026 respectively.
| Parameter | usagiDiary | いつモノ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 42.1% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 110 MB | 36 MB |
| Age rating | 17+ | 4+ |
| Developer | RYUNOSUKE OTA | NAGAMOCHI LAB |
In-app purchases
usagiDiary
- usagi Diary Premium7 Days trial$2.991 Month
- usagi Diary Premium(Annual)14 Days trial$19.991 Year
いつモノ
No in-app purchases





