# JACK 103.1 vs SpaceTime Capsule

The clearest difference is in-app purchases: JACK 103.1 at none against SpaceTime Capsule's 10. SpaceTime Capsule's advantage is ads (none vs shown) and update cadence (every 4 months vs every 16 months). On price and device support there is nothing between them.

Both are free to download. SpaceTime Capsule sells 10 one-off in-app purchases. JACK 103.1 asks for nothing beyond the download.

JACK 103.1 ships an update every 16 months, SpaceTime Capsule every 4 months. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | JACK 103.1 | SpaceTime Capsule |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 4 months** |
| Size | 12 MB | 98 MB |
| Requires iOS | 18.2 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KTTR-KZNN INC](https://appshunter.io/developer/1440847764) | [SPACE TIME](https://appshunter.io/developer/1526106439) |

## What reviewers say

### JACK 103.1

[App page](https://appshunter.io/ios/app/jack-1031/id1440849061)

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

**In-app purchases:** none


### SpaceTime Capsule

[App page](https://appshunter.io/ios/app/spacetime-capsule/id1533808582)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14 years storage | $139.99 | one-time |
| 15 years storage | $149.99 | one-time |
| 16 years storage | $159.99 | one-time |
| 17 years storage | $169.99 | one-time |
| 18 years storage | $179.99 | one-time |
| 19 years storage | $189.99 | one-time |
| 20 years storage | $199.99 | one-time |
| 21 years storage | $209.99 | one-time |
| 22 years storage | $219.99 | one-time |
| 23 years storage | $229.99 | one-time |


## Frequently asked questions

### Is JACK 103.1 free?

JACK 103.1 is free to download, with no in-app purchases.

### Is SpaceTime Capsule free?

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

### Do JACK 103.1 or SpaceTime Capsule have ads?

JACK 103.1 shows ads; SpaceTime Capsule does not.

### Which is updated more often, JACK 103.1 or SpaceTime Capsule?

JACK 103.1 ships an update every 16 months, and SpaceTime Capsule every 4 months. Most recently, JACK 103.1 was updated on October 18, 2026 and SpaceTime Capsule on October 7, 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.*