# Invisible String vs Pilstilbud

The clearest difference is in-app purchases: Pilstilbud at none against Invisible String's 2. Pilstilbud also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Invisible String sells 2 one-off in-app purchases. Pilstilbud asks for nothing beyond the download.

Invisible String ships an update every 3 weeks, Pilstilbud monthly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Invisible String | Pilstilbud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/invisible-string/id6757892661/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 16 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [CatalystNeuro, LLC](https://appshunter.io/developer/1869483205) | [Shilwan Payan](https://appshunter.io/developer/1869490215) |

## What reviewers say

### Invisible String

[App page](https://appshunter.io/ios/app/invisible-string/id6757892661)

Explore the hidden connections in your relationship by comparing geotagged photos with your partner. Discover shared locations and times you were near each other before officially meeting. Uncover the unique story of how fate may have brought you together.

**Highlights:** Compare geotagged photos, Find 'near miss' locations, Discover shared past moments, See proximity details, View side-by-side photos, Privacy-focused local comparison

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Your Story | $2.99 | one-time |
| Expansion pack | $2.99 | one-time |


### Pilstilbud

[App page](https://appshunter.io/ios/app/pilstilbud/id6757893522)

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

**In-app purchases:** none


## Frequently asked questions

### Is Invisible String free?

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

### Is Pilstilbud free?

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

### Do Invisible String or Pilstilbud have ads?

Neither Invisible String nor Pilstilbud shows ads.

### Which is updated more often, Invisible String or Pilstilbud?

Invisible String ships an update every 3 weeks, and Pilstilbud monthly. Most recently, Invisible String was updated on October 7, 2026 and Pilstilbud on October 9, 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.*