# Knox vs SimplyMacros.

The clearest difference is price: SimplyMacros. at Free against Knox's $5.99. SimplyMacros. also leads on in-app purchases (none vs 3). Knox's advantage is update cadence (fortnightly vs every 2 months) and iOS requirement (9.0 vs 26.0). On ads and device support there is nothing between them.

SimplyMacros. is free to download; Knox costs $5.99 up front. Knox sells 3 in-app purchases, starting at $5.49 per year. SimplyMacros. asks for nothing beyond the download.

Knox ships an update fortnightly, SimplyMacros. every 2 months. The most recent releases landed on June 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Knox | SimplyMacros. |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | — | **[4.5 (23 ratings)](https://appshunter.io/ios/app/simplymacros/id1639965800/reviews)** |
| Number of ratings | — | **23** |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | — | Free |
| Size | 57 MB | 1 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Outsourced CTO](https://appshunter.io/developer/1522288015) | [phantomteq LLC](https://appshunter.io/developer/1629751574) |

## What reviewers say

### Knox

[App page](https://appshunter.io/ios/app/knox/id1526253936)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| za.co.knox.knoxlite.12monthly | $5.49 | per year |
| za.co.knox.knoxlite.6monthly | $11.49 | per 6 months |
| za.co.knox.knoxlite.monthly | $28.49 | per month |


### SimplyMacros.

[App page](https://appshunter.io/ios/app/simplymacros/id1639965800)

Track calories, protein, carbs, fat, and water without any distractions. This app offers a clean interface, manual day resets, and the ability to edit or delete entries anytime. It's completely free, ad-free, and requires no account.

**Highlights:** Track calories, protein, carbs, fat, water, Toggle unwanted macros, Manual day reset, Edit/delete entries, Distraction-free interface, No account required

**In-app purchases:** none


## Frequently asked questions

### Is Knox free?

Knox costs $5.99, and also offers in-app purchases.

### Is SimplyMacros. free?

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

### Do Knox or SimplyMacros. have ads?

Neither Knox nor SimplyMacros. shows ads.

### Which is updated more often, Knox or SimplyMacros.?

Knox ships an update fortnightly, and SimplyMacros. every 2 months. Most recently, Knox was updated on June 1, 2026 and SimplyMacros. on October 24, 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.*