# RoboDoc vs ConvertOne

The clearest difference is in-app purchases: ConvertOne at none against RoboDoc's 1. ConvertOne also leads on ads (none vs shown) and update cadence (every 2 days vs every 8 days). On price there is nothing between them.

Both are free to download. RoboDoc sells 1 in-app purchase, starting at $9.99 per month. ConvertOne asks for nothing beyond the download.

RoboDoc ships an update every 8 days, ConvertOne every 2 days. The most recent releases landed on October 22, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | RoboDoc | ConvertOne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Every 2 days** |
| Size | 68 MB | 32 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KOMERSOFT LLC](https://appshunter.io/developer/1555938096) | [ETHAN FRANCIS DARSTEIN](https://appshunter.io/developer/1866338228) |

## What reviewers say

### RoboDoc

[App page](https://appshunter.io/ios/app/robodoc/id6553989841)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per month |


### ConvertOne

[App page](https://appshunter.io/ios/app/convertone-units-and-measures/id6757357394)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RoboDoc free?

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

### Is ConvertOne free?

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

### Do RoboDoc or ConvertOne have ads?

RoboDoc shows ads; ConvertOne does not.

### Which is updated more often, RoboDoc or ConvertOne?

RoboDoc ships an update every 8 days, and ConvertOne every 2 days. Most recently, RoboDoc was updated on October 22, 2026 and ConvertOne on October 5, 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.*