# OptiSurface Mobile vs DecipherAg Mobile

The clearest difference is update cadence: OptiSurface Mobile at every 8 days against DecipherAg Mobile's every 3 months. OptiSurface Mobile also leads on iOS requirement (9.0 vs 18.1). On price, ads, in-app purchases and device support there is nothing between them.

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

OptiSurface Mobile ships an update every 8 days, DecipherAg Mobile every 3 months. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | OptiSurface Mobile | DecipherAg Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 months |
| Monetization | — | Free |
| Size | 27 MB | 118 MB |
| Requires iOS | **9.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Graeme Cox](https://appshunter.io/developer/1437126862) | [CSBP Limited](https://appshunter.io/developer/522583638) |

## What reviewers say

### OptiSurface Mobile

[App page](https://appshunter.io/ios/app/optisurface-mobile/id1472505397)

**Features:** macOS Compatibility

**In-app purchases:** none


### DecipherAg Mobile

[App page](https://appshunter.io/ios/app/decipherag-mobile/id1487039973)

This app facilitates geolocated soil and plant sampling for laboratory submission. It allows users to receive planned jobs, navigate to sites, record sample information, and submit data directly to the lab. Users can also create new sampling jobs and add observations on the go.

**Highlights:** Receive planned sampling jobs, Navigate to sample sites, Scan bag barcodes, Record sample information, Submit data to laboratory, Create ad-hoc sampling jobs, Add geolocated sites and observations

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OptiSurface Mobile free?

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

### Is DecipherAg Mobile free?

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

### Do OptiSurface Mobile or DecipherAg Mobile have ads?

Neither OptiSurface Mobile nor DecipherAg Mobile shows ads.

### Which is updated more often, OptiSurface Mobile or DecipherAg Mobile?

OptiSurface Mobile ships an update every 8 days, and DecipherAg Mobile every 3 months. Most recently, OptiSurface Mobile was updated on September 28, 2026 and DecipherAg Mobile on October 2, 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.*