# Calorie Tracker Air vs WorkIn

The clearest difference is in-app purchases: WorkIn at none against Calorie Tracker Air's 13. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calorie Tracker Air sells 13 in-app purchases, starting at $0.49 per 7 days. WorkIn asks for nothing beyond the download.

Calorie Tracker Air ships an update every 2 months, WorkIn every 3 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Calorie Tracker Air | WorkIn |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 124 MB | 25 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Air Apps Systems](https://appshunter.io/developer/1316153435) | [WorkIn Fitness Limited](https://appshunter.io/developer/1769821585) |

## What reviewers say

### Calorie Tracker Air

[App page](https://appshunter.io/ios/app/calorie-tracker-air/id1608577581)

Easily track your daily calorie intake and monitor nutritional values to achieve your weight goals. Plan your meals and adopt a healthier lifestyle with this straightforward nutrition tracker.

**Highlights:** Calorie counting, Meal planning, Nutritional value tracking, Weight goal setting, Food barcode scanning, Pro features

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Air Apps One | $0.49 | per 7 days |
| Air Apps One | $1.99 | per month |
| Air Apps One - 1 Week | $4.99 | per 7 days |
| Air Apps One Welcome - 1 Week | $4.99 | per 7 days |
| Air Apps One - 1 Week | $5.99 | per 7 days |
| Air Apps One - 1 Week | $7.99 | per 7 days |
| Air Apps One - 1 Month | $9.99 | per month |
| Air Apps One - 1 Week | $9.99 | per 7 days |
| Air Apps One - 1 Week | $12.99 | per 7 days |
| Air Apps One - 1 Week | $12.99 | per 7 days |
| Air Apps One | $19.99 | per year |
| Air Apps One - 1 Year | $69.99 | per year |
| Air Apps Pro - 1 Month | $199.99 | per month |


### WorkIn

[App page](https://appshunter.io/ios/app/workin/id6705135660)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calorie Tracker Air free?

Calorie Tracker Air is free to download, with in-app purchases available.

### Is WorkIn free?

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

### Do Calorie Tracker Air or WorkIn have ads?

Both Calorie Tracker Air and WorkIn show ads.

### Which is updated more often, Calorie Tracker Air or WorkIn?

Calorie Tracker Air ships an update every 2 months, and WorkIn every 3 months. Most recently, Calorie Tracker Air was updated on October 9, 2026 and WorkIn on October 8, 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.*