# Key Nutrients RDA Calculator vs Bonely

The clearest difference is in-app purchases: Key Nutrients RDA Calculator at none against Bonely's 2. Bonely's advantage is update cadence (every 3 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Bonely sells 2 in-app purchases, starting at $2.99 per month. Key Nutrients RDA Calculator asks for nothing beyond the download.

Key Nutrients RDA Calculator ships an update every 6 months, Bonely every 3 days. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Key Nutrients RDA Calculator | Bonely |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (8 ratings)](https://appshunter.io/ios/app/bonely-calcium-tracker/id6760176652/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 6 MB | 5 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [First Line Medical Communications Ltd](https://appshunter.io/developer/369607930) | [Ayush Kumar Agarwal](https://appshunter.io/developer/1879756952) |

## What reviewers say

### Key Nutrients RDA Calculator

[App page](https://appshunter.io/ios/app/key-nutrients-rda-calculator/id6478463996)

**In-app purchases:** none


### Bonely

[App page](https://appshunter.io/ios/app/bonely-calcium-tracker/id6760176652)

Easily monitor your daily calcium consumption to foster better bone health. Log foods, set personal goals, and receive smart alerts to ensure consistent intake. Gain clear insights into your progress with visual charts.

**Highlights:** Log calcium-rich foods, Add custom foods with calcium values, Adjust food portion amounts, Set personal daily calcium goals, Receive smart calcium intake alerts, View weekly progress insights

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bonely Premium Monthly | $2.99 | per month |
| Bonely Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is Key Nutrients RDA Calculator free?

Key Nutrients RDA Calculator is free to download, with no in-app purchases.

### Is Bonely free?

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

### Do Key Nutrients RDA Calculator or Bonely have ads?

Neither Key Nutrients RDA Calculator nor Bonely shows ads.

### Which is updated more often, Key Nutrients RDA Calculator or Bonely?

Key Nutrients RDA Calculator ships an update every 6 months, and Bonely every 3 days. Most recently, Key Nutrients RDA Calculator was updated on September 10, 2026 and Bonely on September 19, 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.*