# FBC Silver Spring vs Undetectable AI

The clearest difference is in-app purchases: FBC Silver Spring at none against Undetectable AI's 6. FBC Silver Spring also leads on device support (4 vs 2) and iOS requirement (15.1 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Undetectable AI sells 6 in-app purchases, starting at $7.99 per 7 days. FBC Silver Spring asks for nothing beyond the download.

FBC Silver Spring ships an update every 5 weeks, Undetectable AI every 3 weeks. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | FBC Silver Spring | Undetectable AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (188 ratings)](https://appshunter.io/ios/app/undetectable-ai-ai-detector/id6670704770/reviews)** |
| Number of ratings | — | **188** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | — | Subscription |
| Size | 57 MB | 30 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fellowship Baptist Church (Silver Spring)](https://appshunter.io/developer/1579969203) | [Octave Gousse](https://appshunter.io/developer/1673323014) |

## What reviewers say

### FBC Silver Spring

[App page](https://appshunter.io/ios/app/fbc-silver-spring/id1579969201)

**Features:** Vision Pro support

**In-app purchases:** none


### Undetectable AI

[App page](https://appshunter.io/ios/app/undetectable-ai-ai-detector/id6670704770)

This app transforms and enhances written content, offering AI detection and humanization. It refines text to ensure natural and authentic readability, making it ideal for creators, marketers, and educators seeking to improve their writing.

**Highlights:** Accurate AI Detection, Humanize Text Instantly, User-Friendly Interface, Comprehensive Reports, Cross-Device Sync

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited | $7.99 | per 7 days |
| Undetectable AI - Unlimited | $7.99 | per 7 days |
| Unlimited | $19.99 | per month |
| Undetectable AI - Unlimited | $19.99 | per month |
| Unlimited | $69.99 | per year |
| Undetectable AI - Unlimited | $69.99 | per year |


## Frequently asked questions

### Is FBC Silver Spring free?

FBC Silver Spring is free to download, with no in-app purchases.

### Is Undetectable AI free?

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

### Do FBC Silver Spring or Undetectable AI have ads?

Neither FBC Silver Spring nor Undetectable AI shows ads.

### Which is updated more often, FBC Silver Spring or Undetectable AI?

FBC Silver Spring ships an update every 5 weeks, and Undetectable AI every 3 weeks. Most recently, FBC Silver Spring was updated on November 7, 2026 and Undetectable AI on November 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.*