# 未来通知 vs 大人のタイムカプセル

The clearest difference is ads: 大人のタイムカプセル at none against 未来通知's shown. 大人のタイムカプセル also leads on iOS requirement (11.0 vs 13.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

未来通知 ships an update every 4 days, 大人のタイムカプセル every 6 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 未来通知 | 大人のタイムカプセル |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 6 days |
| Monetization | Ad-supported | — |
| Size | 31 MB | 32 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ryota gunji](https://appshunter.io/developer/1597111553) | [Hayato Kitaoka](https://appshunter.io/developer/1634161426) |

## What reviewers say

### 未来通知

[App page](https://appshunter.io/ios/app/id1629060301)

Send yourself future notifications, acting as a digital time capsule. Use it for reminders, journaling past thoughts, or remembering future appointments. It helps you reflect on your past self and cherish memories.

**Highlights:** Send future push notifications (up to 50 years), Record notifications as a timeline diary, Reset registered notifications, Set reminders for work, Journal past thoughts for future self

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 大人のタイムカプセル

[App page](https://appshunter.io/ios/app/id6475213296)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 未来通知 free?

未来通知 is free to download, with no in-app purchases.

### Is 大人のタイムカプセル free?

大人のタイムカプセル is free to download, with no in-app purchases.

### Do 未来通知 or 大人のタイムカプセル have ads?

未来通知 shows ads; 大人のタイムカプセル does not.

### Which is updated more often, 未来通知 or 大人のタイムカプセル?

未来通知 ships an update every 4 days, and 大人のタイムカプセル every 6 days. Most recently, 未来通知 was updated on November 3, 2026 and 大人のタイムカプセル on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*