# Flood Zone Map vs Mobile Service Sync

The clearest difference is price: Mobile Service Sync at Free against Flood Zone Map's $1.99. Mobile Service Sync also leads on in-app purchases (none vs 6) and update cadence (monthly vs every 6 months). Flood Zone Map's advantage is chart position (#58 vs unranked). On ads and device support there is nothing between them.

Mobile Service Sync is free to download; Flood Zone Map costs $1.99 up front. Flood Zone Map sells 6 in-app purchases, starting at $2.49 per month. Mobile Service Sync asks for nothing beyond the download.

Flood Zone Map ships an update every 6 months, Mobile Service Sync monthly. The most recent releases landed on October 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Flood Zone Map | Mobile Service Sync |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 29.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#58** | — |
| Size | 25 MB | 34 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ikonetics](https://appshunter.io/developer/302636511) | [Oil To Go LLC](https://appshunter.io/developer/6778472796) |

## What reviewers say

### Flood Zone Map

[App page](https://appshunter.io/ios/app/flood-zone-map/id908554933)

**Currently charting:** #58 Top Paid · Business (US App Store)

Easily access FEMA flood zone information for any address or property. Generate official flood hazard determination forms and customize map overlays for detailed analysis. Ideal for real estate professionals, homeowners, and anyone needing flood risk data.

**Highlights:** Search flood zone by address, Long-press for property flood zone, Create Standard Flood Hazard Determination Form, Automatic form completion, FEMA/NFIP map overlay, Customizable map layers, Free trial available

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flood Zone Maps and SFHDF Docs | $2.49 | per month |
| Unlimited PDFs & Flood Maps | $4.99 | per month |
| Flood Zone Maps and SFHDF Docs | $6.49 | per 3 months |
| Unlimited PDFs & Flood Maps | $11.99 | per 3 months |
| Flood Zone Maps and SFHDF Docs | $12.49 | per 6 months |
| Unlimited PDFs & Flood Maps | $19.99 | per 6 months |


### Mobile Service Sync

[App page](https://appshunter.io/ios/app/mobile-service-sync/id6783516538)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flood Zone Map free?

Flood Zone Map costs $1.99, and also offers in-app purchases.

### Is Mobile Service Sync free?

Mobile Service Sync is free to download, with no in-app purchases.

### Do Flood Zone Map or Mobile Service Sync have ads?

Neither Flood Zone Map nor Mobile Service Sync shows ads.

### Which is updated more often, Flood Zone Map or Mobile Service Sync?

Flood Zone Map ships an update every 6 months, and Mobile Service Sync monthly. Most recently, Flood Zone Map was updated on October 14, 2026 and Mobile Service Sync on September 20, 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.*