# Operation World vs Adjace

The clearest difference is review sentiment: Operation World at 86% against Adjace's 40%. Operation World also leads on rating (4.5 vs 3.1) and ratings volume (50 vs 9). Adjace's advantage is iOS requirement (9.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Operation World holds the better App Store score, 4.5 against 3.1. That said, the two scores are not equally well evidenced: Operation World has 50 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 86% of Operation World's written reviews are positive against 40% of Adjace's.

Operation World ships an update every 3 months, Adjace every 2 months. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Operation World | Adjace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (50 ratings)](https://appshunter.io/ios/app/operation-world/id1181609244/reviews)** | [3.1 (9 ratings)](https://appshunter.io/ios/app/adjace/id1329562265/reviews) |
| Number of ratings | **50** | 9 |
| Positive reviews | **85.7% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 54 MB | 15 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Johnathan Pulos](https://appshunter.io/developer/449459790) | [Adam Patrick](https://appshunter.io/developer/1059631641) |

## What reviewers say

### Operation World

[App page](https://appshunter.io/ios/app/operation-world/id1181609244)

Join a global prayer movement with this comprehensive prayer handbook. Receive daily country prayer reminders, research statistics, and read detailed prayer requests and praise reports for every nation. This app is a trusted resource for Christians worldwide.

**Highlights:** Daily country prayer reminders, Country statistics research, In-depth prayer requests, Praise reports for each country, Global prayer movement participation

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

**In-app purchases:** none


### Adjace

[App page](https://appshunter.io/ios/app/adjace/id1329562265)

Access your church's directory easily from your phone. Update your profile with current contact information and view church celebrations like birthdays and anniversaries. Stay connected with your congregation on the go.

**Highlights:** Scrollable directory, Clickable pictures, Update profile information, View birthdays and anniversaries, Mobile church presence, Easy access to information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Operation World free?

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

### Is Adjace free?

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

### Which has better reviews, Operation World or Adjace?

Operation World is rated higher. Operation World averages 4.5 out of 5 from 50 ratings, while Adjace averages 3.1 from 9 ratings.

### Do Operation World or Adjace have ads?

Neither Operation World nor Adjace shows ads.

### Which is updated more often, Operation World or Adjace?

Operation World ships an update every 3 months, and Adjace every 2 months. Most recently, Operation World was updated on October 13, 2026 and Adjace on October 14, 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.*