# DART Sim CCF vs C1DO1 Lite

The clearest difference is price: C1DO1 Lite at Free against DART Sim CCF's $24.99. C1DO1 Lite also leads on update cadence (every 8 days vs every 66 months) and iOS requirement (13.0 vs 16.4). On ads, in-app purchases and device support there is nothing between them.

C1DO1 Lite is free to download; DART Sim CCF costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DART Sim CCF ships an update every 66 months, C1DO1 Lite every 8 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | DART Sim CCF | C1DO1 Lite |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | **[1.7 (10 ratings)](https://appshunter.io/ios/app/dart-sim-ccf/id1565028479/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 66 months | **Every 8 days** |
| Monetization | Paid | — |
| Size | 5 MB | 20 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [STAR CPR San Diego](https://appshunter.io/developer/427133089) | [VSB Tecnologias Limitada](https://appshunter.io/developer/1359457345) |

## What reviewers say

### DART Sim CCF

[App page](https://appshunter.io/ios/app/dart-sim-ccf/id1565028479)

This app helps calculate the chest compression fraction (CCF) during CPR to improve survival rates. It includes a metronome to ensure proper compression rate and depth.

**Highlights:** Calculate CCF percentage, CPR survival rate improvement, Metronome for 100/120 BPM, Assures adequate compression depth, Assures adequate recoil

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

**In-app purchases:** none


### C1DO1 Lite

[App page](https://appshunter.io/ios/app/c1do1-lite/id6738079184)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DART Sim CCF free?

DART Sim CCF costs $24.99, with no in-app purchases.

### Is C1DO1 Lite free?

C1DO1 Lite is free to download, with no in-app purchases.

### Do DART Sim CCF or C1DO1 Lite have ads?

Neither DART Sim CCF nor C1DO1 Lite shows ads.

### Which is updated more often, DART Sim CCF or C1DO1 Lite?

DART Sim CCF ships an update every 66 months, and C1DO1 Lite every 8 days. Most recently, DART Sim CCF was updated on October 24, 2026 and C1DO1 Lite on October 27, 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.*