# PrayerLog vs Cartogram

The clearest difference is in-app purchases: PrayerLog at none against Cartogram's 1. PrayerLog also leads on iOS requirement (13.0 vs 16.0). Cartogram's advantage is update cadence (every 2 weeks vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Cartogram sells 1 one-off in-app purchase. PrayerLog asks for nothing beyond the download.

PrayerLog ships an update monthly, Cartogram every 2 weeks. Both last shipped on September 24, 2026.

## The numbers

| Metric | PrayerLog | Cartogram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prayerlog/id6476399056/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 113 MB | 10 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [The App Dynamics LLC](https://appshunter.io/developer/1807488257) | [CENTAUR LABS OU](https://appshunter.io/developer/1790899201) |

## What reviewers say

### PrayerLog

[App page](https://appshunter.io/ios/app/prayerlog/id6476399056)

This app helps users enhance their prayer journey by tracking daily prayers, managing family prayer habits, and providing Islamic calendar information. It offers personalized reminders, insights into prayer habits, and a community feature to invite friends and family for accountability.

**Highlights:** Prayer tracking and reporting, Family and student prayer management, Customizable prayer reminders, Islamic calendar integration, Prayer habit insights, Community prayer accountability

**Features:** macOS Compatibility

**In-app purchases:** none


### Cartogram

[App page](https://appshunter.io/ios/app/cartogram/id6760616439)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cartogram Pro | $3.99 | one-time |


## Frequently asked questions

### Is PrayerLog free?

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

### Is Cartogram free?

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

### Do PrayerLog or Cartogram have ads?

Neither PrayerLog nor Cartogram shows ads.

### Which is updated more often, PrayerLog or Cartogram?

PrayerLog ships an update monthly, and Cartogram every 2 weeks. Most recently, PrayerLog was updated on September 24, 2026 and Cartogram on September 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.*