# Celotron Pulse vs Ratakirja

The clearest difference is in-app purchases: Celotron Pulse at none against Ratakirja's 1. Celotron Pulse also leads on iOS requirement (10.0 vs 16.4). Ratakirja's advantage is update cadence (every 9 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Ratakirja sells 1 in-app purchase, starting at $8.99 per year. Celotron Pulse asks for nothing beyond the download.

Celotron Pulse ships an update every 4 months, Ratakirja every 9 days. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Celotron Pulse | Ratakirja |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Size | 73 MB | 69 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Celotron Oy](https://appshunter.io/developer/1156342855) | [PERTTI OLAVI LOENNROTH](https://appshunter.io/developer/1885949067) |

## What reviewers say

### Celotron Pulse

[App page](https://appshunter.io/ios/app/celotron-pulse-app/id1343663081)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ratakirja

[App page](https://appshunter.io/ios/app/ratakirja/id6760729831)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ratakirja Annual | $8.99 | per year |


## Frequently asked questions

### Is Celotron Pulse free?

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

### Is Ratakirja free?

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

### Do Celotron Pulse or Ratakirja have ads?

Neither Celotron Pulse nor Ratakirja shows ads.

### Which is updated more often, Celotron Pulse or Ratakirja?

Celotron Pulse ships an update every 4 months, and Ratakirja every 9 days. Most recently, Celotron Pulse was updated on October 26, 2026 and Ratakirja on October 31, 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.*