# Invisible String vs DeepFind AI Search Agent

The clearest difference is rating: DeepFind AI Search Agent at 4.8 against Invisible String's 3.6. DeepFind AI Search Agent also leads on update cadence (daily vs every 3 weeks) and ratings volume (5.6K vs 5). Invisible String's advantage is review sentiment (67% vs 47%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Invisible String sells 2 one-off in-app purchases and DeepFind AI Search Agent sells 4 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DeepFind AI Search Agent holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: DeepFind AI Search Agent has 5.6K ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 67% of Invisible String's written reviews are positive against 47% of DeepFind AI Search Agent's, so the app with the better star average is not the one people write more warmly about.

Invisible String ships an update every 3 weeks, DeepFind AI Search Agent daily. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Invisible String | DeepFind AI Search Agent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (5 ratings)](https://appshunter.io/ios/app/invisible-string/id6757892661/reviews) | **[4.8 (5.6K ratings)](https://appshunter.io/ios/app/deepfind-ai-search-agent/id6775974979/reviews)** |
| Number of ratings | 5 | **5.6K** |
| Positive reviews | **66.7% of reviews** | 46.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | — | **#200** |
| Size | 14 MB | 76 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [CatalystNeuro, LLC](https://appshunter.io/developer/1869483205) | [Orbit Intelligence, Inc.](https://appshunter.io/developer/1857742437) |

## 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 |


### DeepFind AI Search Agent

[App page](https://appshunter.io/ios/app/deepfind-ai-search-agent/id6775974979)

**Currently charting:** #200 Top Grossing · Lifestyle (US App Store)

Easily find social media profiles and publicly available information about individuals. Search by name, phone number, or description to quickly discover online presences and reconnect with contacts.

**Highlights:** Find social profiles by name or username, Comprehensive background search of public records, Reconnect with friends and contacts, Discover online presence and professional history, View trending and most searched individuals, Quick and simple search interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DeepFind Pro | $9.99 | per 7 days |
| DeepFind Pro | $19.99 | per year |
| DeepFind Pro | $39.99 | per 6 months |
| DeepFind Pro | $39.99 | per year |


## Frequently asked questions

### Is Invisible String free?

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

### Is DeepFind AI Search Agent free?

DeepFind AI Search Agent is free to download, with in-app purchases available.

### Which has better reviews, Invisible String or DeepFind AI Search Agent?

DeepFind AI Search Agent is rated higher. Invisible String averages 3.6 out of 5 from 5 ratings, while DeepFind AI Search Agent averages 4.8 from 5.6K ratings.

### Do Invisible String or DeepFind AI Search Agent have ads?

Neither Invisible String nor DeepFind AI Search Agent shows ads.

### Which is updated more often, Invisible String or DeepFind AI Search Agent?

Invisible String ships an update every 3 weeks, and DeepFind AI Search Agent daily. Most recently, Invisible String was updated on October 24, 2026 and DeepFind AI Search Agent on October 25, 2026.

---

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