# Impact Manager vs ChromaCal

The clearest difference is in-app purchases: Impact Manager at none against ChromaCal's 1. Impact Manager also leads on iOS requirement (15.6 vs 18.0). ChromaCal's advantage is update cadence (every 6 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. ChromaCal sells 1 one-off in-app purchase. Impact Manager asks for nothing beyond the download.

Impact Manager ships an update every 3 months, ChromaCal every 6 days. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Impact Manager | ChromaCal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Size | 308 MB | 2 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Impact Fitness Coaching LLC](https://appshunter.io/developer/1705965634) | [Vibe2Viable LLC](https://appshunter.io/developer/1881705958) |

## What reviewers say

### Impact Manager

[App page](https://appshunter.io/ios/app/impact-manager/id6740624766)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### ChromaCal

[App page](https://appshunter.io/ios/app/chromacal/id6759931221)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChromaCal Pro | $9.99 | one-time |


## Frequently asked questions

### Is Impact Manager free?

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

### Is ChromaCal free?

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

### Do Impact Manager or ChromaCal have ads?

Neither Impact Manager nor ChromaCal shows ads.

### Which is updated more often, Impact Manager or ChromaCal?

Impact Manager ships an update every 3 months, and ChromaCal every 6 days. Most recently, Impact Manager was updated on September 9, 2026 and ChromaCal on September 13, 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.*