# OptimiDoc Mobile vs Radix+ Service

The clearest difference is update cadence: Radix+ Service at fortnightly against OptimiDoc Mobile's every 8 months. OptimiDoc Mobile's advantage is iOS requirement (9.0 vs 15.1). 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.

OptimiDoc Mobile ships an update every 8 months, Radix+ Service fortnightly. The most recent releases landed on September 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | OptimiDoc Mobile | Radix+ Service |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Size | 10 MB | 38 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OptimiDoc s. r. o.](https://appshunter.io/developer/1081320058) | [Infominds SPA](https://appshunter.io/developer/1263063615) |

## What reviewers say

### OptimiDoc Mobile

[App page](https://appshunter.io/ios/app/optimidoc-mobile/id1081320059)

**Features:** macOS Compatibility

**In-app purchases:** none


### Radix+ Service

[App page](https://appshunter.io/ios/app/radix-plus-service/id6447763565)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OptimiDoc Mobile free?

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

### Is Radix+ Service free?

Radix+ Service is free to download, with no in-app purchases.

### Do OptimiDoc Mobile or Radix+ Service have ads?

Neither OptimiDoc Mobile nor Radix+ Service shows ads.

### Which is updated more often, OptimiDoc Mobile or Radix+ Service?

OptimiDoc Mobile ships an update every 8 months, and Radix+ Service fortnightly. Most recently, OptimiDoc Mobile was updated on September 7, 2026 and Radix+ Service on September 21, 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.*