# Currency Exchange Offline vs Signl

The clearest difference is in-app purchases: Currency Exchange Offline at none against Signl's 3. Currency Exchange Offline also leads on iOS requirement (16.0 vs 18.0). Signl's advantage is ads (none vs shown) and update cadence (weekly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Signl sells 3 in-app purchases, starting at $6.99 per 7 days. Currency Exchange Offline asks for nothing beyond the download.

Currency Exchange Offline ships an update every 2 months, Signl weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Currency Exchange Offline | Signl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (7 ratings)](https://appshunter.io/ios/app/signl-wifi-analyzer-and-mapper/id6796775708/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 26 MB | 30 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jose Gerardo Palma Duran](https://appshunter.io/developer/1873843788) | [Victor Backouche](https://appshunter.io/developer/1876555009) |

## What reviewers say

### Currency Exchange Offline

[App page](https://appshunter.io/ios/app/currency-exchange-offline/id6759070692)

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

**In-app purchases:** none


### Signl

[App page](https://appshunter.io/ios/app/signl-wifi-analyzer-and-mapper/id6796775708)

Visualize your home Wi-Fi signal strength in 3D using your phone's camera or imported floor plans. Identify dead zones and optimize router placement for a flawless connection throughout your home.

**Highlights:** 3D Wi-Fi signal visualization, LiDAR room scanning, Floor plan import (photo/PDF), Wi-Fi coverage mapping, Network diagnostics, Router/extender placement optimization

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Signl Pro — Weekly | $6.99 | per 7 days |
| Signl Pro — Yearly | $29.99 | per year |
| Signl Pro Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is Currency Exchange Offline free?

Currency Exchange Offline is free to download, with no in-app purchases.

### Is Signl free?

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

### Do Currency Exchange Offline or Signl have ads?

Currency Exchange Offline shows ads; Signl does not.

### Which is updated more often, Currency Exchange Offline or Signl?

Currency Exchange Offline ships an update every 2 months, and Signl weekly. Most recently, Currency Exchange Offline was updated on October 24, 2026 and Signl 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.*