# Capsule vs UnderLine

The clearest difference is update cadence: UnderLine at every 3 days against Capsule's every 10 days. Capsule's advantage is iOS requirement (13.4 vs 15.6). On price, ads, 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.

Capsule ships an update every 10 days, UnderLine every 3 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Capsule | UnderLine |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 41 MB | 67 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Romain Chikirou](https://appshunter.io/developer/1704989576) | [5mm](https://appshunter.io/developer/1832720335) |

## What reviewers say

### Capsule

[App page](https://appshunter.io/ios/app/capsule-disposable-camera/id6471982075)

Capture spontaneous moments with friends using a digital disposable camera experience. Create time-sensitive photo capsules that develop over time, revealing shared memories. Focuses on authentic, unfiltered snapshots within a private community.

**Highlights:** Create time-sensitive photo capsules, Disposable camera-like photo capture, Surprise photo reveals, Friends-only sharing feed, Curate photos into albums, Authentic, unfiltered photography

**In-app purchases:** none


### UnderLine

[App page](https://appshunter.io/ios/app/underline-live-typing-chat/id6751827790)

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

**In-app purchases:** none


## Frequently asked questions

### Is Capsule free?

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

### Is UnderLine free?

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

### Do Capsule or UnderLine have ads?

Neither Capsule nor UnderLine shows ads.

### Which is updated more often, Capsule or UnderLine?

Capsule ships an update every 10 days, and UnderLine every 3 days. Most recently, Capsule was updated on November 4, 2026 and UnderLine on November 5, 2026.

---

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