# 13one vs PrayerMap

The clearest difference is update cadence: PrayerMap at every 2 weeks against 13one's every 12 months. 13one's advantage is iOS requirement (13.0 vs 17.0). 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.

13one ships an update every 12 months, PrayerMap every 2 weeks. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 13one | PrayerMap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Size | 18 MB | 163 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Noah Tatko](https://appshunter.io/developer/1611593215) | [Jeffrey Johnson](https://appshunter.io/developer/1860170467) |

## What reviewers say

### 13one

[App page](https://appshunter.io/ios/app/13one/id6502590737)

**In-app purchases:** none


### PrayerMap

[App page](https://appshunter.io/ios/app/prayermap-live-prayer/id6756337969)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 13one free?

13one is free to download, with no in-app purchases.

### Is PrayerMap free?

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

### Do 13one or PrayerMap have ads?

Neither 13one nor PrayerMap shows ads.

### Which is updated more often, 13one or PrayerMap?

13one ships an update every 12 months, and PrayerMap every 2 weeks. Most recently, 13one was updated on October 6, 2026 and PrayerMap on October 13, 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.*