# Keepstone vs Time Capsule

The clearest difference is in-app purchases: Time Capsule at none against Keepstone's 1. Time Capsule also leads on iOS requirement (13.0 vs 15.0). Keepstone's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Keepstone sells 1 one-off in-app purchase. Time Capsule asks for nothing beyond the download.

Keepstone ships an update every 6 days, Time Capsule every 3 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Keepstone | Time Capsule |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 days | **Every 3 days** |
| Size | 18 MB | 25 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pablo Silva](https://appshunter.io/developer/1876877015) | [Subin Jo](https://appshunter.io/developer/1866194779) |

## What reviewers say

### Keepstone

[App page](https://appshunter.io/ios/app/keepstone-time-capsule-diary/id6759112157)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keepstone Supporter | $0.99 | one-time |


### Time Capsule

[App page](https://appshunter.io/ios/app/time-capsule-dear-future/id6759238092)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Keepstone free?

Keepstone is free to download, with in-app purchases available.

### Is Time Capsule free?

Time Capsule is free to download, with no in-app purchases.

### Do Keepstone or Time Capsule have ads?

Time Capsule shows ads; Keepstone does not.

### Which is updated more often, Keepstone or Time Capsule?

Keepstone ships an update every 6 days, and Time Capsule every 3 days. Most recently, Keepstone was updated on October 9, 2026 and Time Capsule on October 6, 2026.

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