# collaborATIon™ vs RallyProp

The clearest difference is in-app purchases: collaborATIon™ at none against RallyProp's 3. collaborATIon™ also leads on update cadence (fortnightly vs every 2 months). RallyProp's advantage is ads (none vs shown) and device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. RallyProp sells 3 in-app purchases, starting at $39.99 per month. collaborATIon™ asks for nothing beyond the download.

collaborATIon™ ships an update fortnightly, RallyProp every 2 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | collaborATIon™ | RallyProp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/collaboration/id1555112576/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 36 MB | 44 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Advanced Technology International](https://appshunter.io/developer/895156451) | [RallyProp LLC](https://appshunter.io/developer/1861574502) |

## What reviewers say

### collaborATIon™

[App page](https://appshunter.io/ios/app/collaboration/id1555112576)

Connect with fellow members of federally funded consortia to view opportunities, events, and news. Explore technology areas to find consortia that match your capabilities and contribute to vital government initiatives.

**Highlights:** Connect with consortium members, View solicitation opportunities, Discover upcoming events, Browse related news, Search by technology areas, Find suitable consortia

**Features:** macOS Compatibility

**In-app purchases:** none


### RallyProp

[App page](https://appshunter.io/ios/app/rallyprop/id6756587961)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RallyProp Starter Monthly | $39.99 | per month |
| RallyProp Professional | $89.99 | per month |
| RallyProp Starter Annual | $399.00 | per year |


## Frequently asked questions

### Is collaborATIon™ free?

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

### Is RallyProp free?

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

### Do collaborATIon™ or RallyProp have ads?

collaborATIon™ shows ads; RallyProp does not.

### Which is updated more often, collaborATIon™ or RallyProp?

collaborATIon™ ships an update fortnightly, and RallyProp every 2 months. Most recently, collaborATIon™ was updated on October 5, 2026 and RallyProp on October 6, 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.*