# NFCogos vs ChartDay

The clearest difference is in-app purchases: NFCogos at none against ChartDay's 1. NFCogos also leads on iOS requirement (12.0 vs 16.2). On price, update cadence, ads and device support there is nothing between them.

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

NFCogos ships an update every 2 weeks, ChartDay every 3 weeks. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | NFCogos | ChartDay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/chartday/id6446491718/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 49 MB | 2 MB |
| Requires iOS | **12.0** | 16.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Andres Gaston Gimenez Medina](https://appshunter.io/developer/1675488545) | [Fu Ni](https://appshunter.io/developer/1560534229) |

## What reviewers say

### NFCogos

[App page](https://appshunter.io/ios/app/nfcogos/id6446027098)

**In-app purchases:** none


### ChartDay

[App page](https://appshunter.io/ios/app/chartday/id6446491718)

Track daily habits, health, and fitness with interactive charts. Offers instant statistics, goal setting, and data export. Syncs across devices and provides home screen widgets for quick access.

**Highlights:** Daily tracking with interactive charts, Instant statistical calculations, Goal setting with target lines, Tagging and filtering for organization, Home screen widgets, iCloud sync across devices, Data export to CSV

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChartDay Unlimited | $1.99 | one-time |


## Frequently asked questions

### Is NFCogos free?

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

### Is ChartDay free?

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

### Do NFCogos or ChartDay have ads?

Neither NFCogos nor ChartDay shows ads.

### Which is updated more often, NFCogos or ChartDay?

NFCogos ships an update every 2 weeks, and ChartDay every 3 weeks. Most recently, NFCogos was updated on October 9, 2026 and ChartDay on October 6, 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.*