# Therefore Go vs CTM Mobile OA

The clearest difference is update cadence: CTM Mobile OA at every 2 weeks against Therefore Go's every 3 months. CTM Mobile OA also leads on iOS requirement (15 vs 18.0). 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.

Therefore Go ships an update every 3 months, CTM Mobile OA every 2 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Therefore Go | CTM Mobile OA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/therefore-go/id1159242233/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 182 MB | 39 MB |
| Requires iOS | 18.0 | **15** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Therefore Corporation](https://appshunter.io/developer/529053138) | [MACAU TELECOMUNICATIONS COMPANY LIMITED](https://appshunter.io/developer/404138775) |

## What reviewers say

### Therefore Go

[App page](https://appshunter.io/ios/app/therefore-go/id1159242233)

Access and manage your Therefore™ Information Management system on the go. Search, view, and edit documents and index data, process workflow tasks, and save files directly from your device. Supports eForms and PDF annotation.

**Highlights:** Search documents with index data filters, View and edit index data, Process workflow tasks, Save files and photos into Therefore™, Annotate PDF files, Access Therefore™ eForms, External login via Azure AD, Okta, OIDC

**In-app purchases:** none


### CTM Mobile OA

[App page](https://appshunter.io/ios/app/ctm-mobile-oa/id1565328108)

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

**In-app purchases:** none


## Frequently asked questions

### Is Therefore Go free?

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

### Is CTM Mobile OA free?

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

### Do Therefore Go or CTM Mobile OA have ads?

Neither Therefore Go nor CTM Mobile OA shows ads.

### Which is updated more often, Therefore Go or CTM Mobile OA?

Therefore Go ships an update every 3 months, and CTM Mobile OA every 2 weeks. Most recently, Therefore Go was updated on October 29, 2026 and CTM Mobile OA on October 24, 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.*