# Ciga vs NerveCenter

The clearest difference is in-app purchases: Ciga at none against NerveCenter's 1. Ciga also leads on ads (none vs shown). NerveCenter's advantage is update cadence (every 9 days vs every 10 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. NerveCenter sells 1 in-app purchase, starting at $0.99 per month. Ciga asks for nothing beyond the download.

Ciga ships an update every 10 months, NerveCenter every 9 days. The most recent releases landed on October 5, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Ciga | NerveCenter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nervecenter/id6755806165/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 53 MB |
| Requires iOS | **13.0** | 14.0.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Aleksandr Tsygankov](https://appshunter.io/developer/1288908501) | [Digital Experience Co](https://appshunter.io/developer/1856475544) |

## What reviewers say

### Ciga

[App page](https://appshunter.io/ios/app/ciga-simple-puff-tracker/id6465898309)

**In-app purchases:** none


### NerveCenter

[App page](https://appshunter.io/ios/app/nervecenter/id6755806165)

This app helps individuals track and analyze symptoms, vital signs, and daily habits to identify patterns and gain insights into their health. It offers a clear history, trend analysis, and optional AI-powered support for better communication with healthcare providers.

**Highlights:** Symptom and pain level logging, Vital sign tracking (heart rate, blood pressure), Hydration and sodium intake logging, Trigger identification, Free-text notes, Clear historical view, Trend analysis, AI-powered summary and talking points

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NerveCenter Premium | $0.99 | per month |


## Frequently asked questions

### Is Ciga free?

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

### Is NerveCenter free?

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

### Do Ciga or NerveCenter have ads?

NerveCenter shows ads; Ciga does not.

### Which is updated more often, Ciga or NerveCenter?

Ciga ships an update every 10 months, and NerveCenter every 9 days. Most recently, Ciga was updated on October 5, 2026 and NerveCenter on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*