OpenSub vs MemoryDay.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenSub
This app helps you visualize and manage your recurring bills and subscriptions. It provides clear, receipt-style summaries of your spending, with customizable reminders to avoid surprise renewals. Track active and ended subscriptions with ease.
- Recurring bill visualization
- Subscription management
- Renewal and trial reminders
- Auto-import from App Store
- Spending summaries
- Archived subscription details
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OpenSub turns your recurring bills into a clear, tactile receipt—so you actually see what you pay for. Designed for people who cancel trials on time and hate surprise renewals. Add subscriptions in seconds, switch between active and archived “tickets,” and open Analysis when you want the blunt numbers—or a little roast. WHAT YOU GET • Renewal and trial reminders you can tune in Settings • Auto-import from App Store links and quick logo lookup for websites • Spending views and shareable receipt-style summaries—save a snapshot to Photos when you want a record • Archive and lifecycle-friendly details for subscriptions you’ve ended • Appearance options and receipt branding for shares you’re proud of YOUR DATA OpenSub is built for local-first use on your iPhone (and iPad where supported). Your list stays yours. If you’re ready to stop guessing what hits your card each month, print your subscriptions with OpenSub.
MemoryDay.
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MemoryDay is a simple and reliable tool for recording anniversaries and important dates, suitable for recording birthdays, anniversaries, love days, anniversary days, countdown days, and significant moments in life. You can use it to organize every memorable day and make important events easier to see and manage through reminders, tags, archiving, and calendar views. Main Features: Record important dates Create birthday, anniversary, progress items, and custom date events, clearly view how much time is left until the target date or how long ago a certain day has passed. Local Reminders Set notification reminders for important events and receive system reminders at the right time, so you won't miss birthdays, anniversaries, and important arrangements. Tag and Category Management Use tags to organize different types of events, such as family, friends, love, work, life, and travel, making the list clearer. Privacy Policy:https://hsi6qo93b6.feishu.cn/docx/D5pfdFzMaoB9gmxQxOWcGFGinXg Terms of Use:https://hsi6qo93b6.feishu.cn/docx/GKFSdI9e9oz2M2xjJqHcuTT6nmb?from=from_copylink
Screenshots
Verdict
The clearest difference is in-app purchases: OpenSub at none against MemoryDay.'s 5. OpenSub also leads on iOS requirement (17.0 vs 26.0). 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. MemoryDay. sells 5 in-app purchases, starting at $0.99 per 3 months. OpenSub asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on September 14, 2026.
| Parameter | OpenSub | MemoryDay. |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 3 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | Shanghai Haishi Culture Technology Co., Ltd. | 思明 李 |
In-app purchases
OpenSub
No in-app purchases
MemoryDay.
- MemoryDay 季度会员$0.993 Months
- MemoryDay 年度会员$1.991 Year
- 年度会员升级永久会员$1.99
- 季度会员升级永久会员$2.99
- MemoryDay 永久会员$3.99









