ご褒美スタンプカード vs When Again?
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ご褒美スタンプカード
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Reward Stamp Card is a habit-building app that helps you stay motivated by using rewards as your driving force. Set a goal and choose a reward. Record your daily achievements with stamps, and unlock your reward when the card is complete! You can also use photo stamps to preserve memories of your achievements. How it works is simple 1, Set a goal and reward (Example: “Get a café dessert after 10 achievements”) 2, Add a stamp on the days you complete your goal (Photo stamps supported) 3, Complete the card and unlock your reward! The sense of accomplishment helps you keep going. Main Features Easy reward setup Register achievement conditions and rewards for each card Stamp card management Create and edit cards for each goal Photo stamp support Save proof and memories of your achievements with photos Visualize your progress Filled cards help boost motivation and make progress feel rewarding Premium Features Create 3 or more cards Manage multiple goals at the same time Recommended for people who: Stay motivated by looking forward to rewards Want to make goal tracking more enjoyable Want to keep a photo record of their achievements
When Again?
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"When did I last do that?" Bike oil changes, haircuts, salon visits, AC cleaning, doctor appointments, pet care — things you do again and again, but once enough time passes, you can't remember when you last did them. When Again? clears up that little everyday question with a single tap. Just log the date. The app automatically counts the days since you last did it, learns your average interval from your own records, and gives you a heads-up when it's about time. ■ Who it's for ・People who forget when their bike or car was last serviced ・Anyone managing regular salon, hair, or nail appointments ・People tracking doctor visits, medication, or health habits ・Anyone who wants to stop thinking "wow, it's already been a while" ・People who want to start right away — no account needed ■ Key features ◎ See the days at a glance Your items line up on the home screen, each with a badge showing how many days since you last did it. What needs doing now is obvious. ◎ "About time" reminders, automatically The app learns your average interval from your records, gathers the items coming due at the top of the home screen, and reminds you with notifications too. ◎ Track anything Use the preset categories or add your own with custom icons and colors. From bike maintenance to beauty to health — manage it all in one app. ◎ Photos, tags, amounts, and notes It's more than a date log. Add up to 5 photos, tags, the amount you spent, and notes to each record — so you can look back on what state it was in last time and how much it cost. ◎ Detailed history and stats The detail screen shows stats like "since last time," "average interval," and totals, plus a month-by-month timeline. ◎ Search Search across notes, tags, and item names to find past records instantly. ◎ Easy backup Save and restore all your records to a file (photos included). CSV export is also supported. ◎ Dark mode Choose system, light, or dark. ■ Privacy first All your records are stored only on your device. No account, no login. We never send your records to a server — so you can start with peace of mind. ■ Pricing The core features are free. Some premium features are available via a one-time in-app purchase. Leave your everyday "when was that again?" to When Again?
Screenshots
Verdict
The clearest difference is update cadence: When Again? at daily against ご褒美スタンプカード's every 8 days. On price, ads, 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. ご褒美スタンプカード sells 1 one-off in-app purchase and When Again? sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
ご褒美スタンプカード ships an update every 8 days, When Again? daily. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.
| Parameter | ご褒美スタンプカード | When Again? |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 29 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Kiuchi Izumi | Masamune Hiroiwa |
In-app purchases
ご褒美スタンプカード
- プレミアムプラン$2.99
When Again?
- プレミアム(買い切り)$4.99









