# Diamond Maps Offline vs Septic Guard Client

The clearest difference is update cadence: Diamond Maps Offline at every 3 weeks against Septic Guard Client's every 7 months. Septic Guard Client's advantage is iOS requirement (11.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Diamond Maps Offline against 5.0 for Septic Guard Client. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Diamond Maps Offline ships an update every 3 weeks, Septic Guard Client every 7 months. The most recent releases landed on October 30, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Diamond Maps Offline | Septic Guard Client |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/diamond-maps-offline/id6443440300/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/septic-guard-client/id6747037669/reviews) |
| Number of ratings | **4** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Free | Free |
| Size | 80 MB | 52 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ben Hill](https://appshunter.io/developer/1645876200) | [PREFERRED CONTROLS CORPORATION](https://appshunter.io/developer/1819498566) |

## What reviewers say

### Diamond Maps Offline

[App page](https://appshunter.io/ios/app/diamond-maps-offline/id6443440300)

Access and modify your Diamond Maps offline. Download maps to your device, make changes, and sync them back to the cloud when you have an internet connection. Ideal for fieldwork when connectivity is limited.

**Highlights:** Download maps for offline use, View and edit map features, Mark new points, Sync changes to the cloud, Turn map layers on and off

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

**In-app purchases:** none


### Septic Guard Client

[App page](https://appshunter.io/ios/app/septic-guard-client/id6747037669)

Monitor your septic holding tanks, lift pumps, and treatment systems 24/7. Receive critical alarm notifications for issues like power failures or communication problems. Uses reliable satellite communication for consistent data.

**Highlights:** 24/7 monitoring of septic systems, Satellite communication for reliability, View subscribed unit data, Summary list of all units, Alarm notifications (input, voltage, power, communication)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Diamond Maps Offline free?

Diamond Maps Offline is free to download, with no in-app purchases.

### Is Septic Guard Client free?

Septic Guard Client is free to download, with no in-app purchases.

### Which has better reviews, Diamond Maps Offline or Septic Guard Client?

Diamond Maps Offline and Septic Guard Client are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do Diamond Maps Offline or Septic Guard Client have ads?

Neither Diamond Maps Offline nor Septic Guard Client shows ads.

### Which is updated more often, Diamond Maps Offline or Septic Guard Client?

Diamond Maps Offline ships an update every 3 weeks, and Septic Guard Client every 7 months. Most recently, Diamond Maps Offline was updated on October 30, 2026 and Septic Guard Client on October 17, 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.*