# NeroLens vs Calorie Tracker

The clearest difference is update cadence: NeroLens at every 4 days against Calorie Tracker's monthly. NeroLens also leads on iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NeroLens sells 3 in-app purchases, starting at $4.99 per 7 days and Calorie Tracker sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

NeroLens ships an update every 4 days, Calorie Tracker monthly. The most recent releases landed on October 5, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | NeroLens | Calorie Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Size | 163 MB | 20 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Asadbek Alisherovich](https://appshunter.io/developer/1856634148) | [Mehmet Demir](https://appshunter.io/developer/1522952577) |

## What reviewers say

### NeroLens

[App page](https://appshunter.io/ios/app/nerolens-calorie-tracker/id6756017480)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Premium Monthly | $5.99 | per month |
| Premium Yearly | $19.99 | per year |


### Calorie Tracker

[App page](https://appshunter.io/ios/app/calorie-tracker-fitless/id6768085407)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FitLess Premium Weekly | $4.99 | per 7 days |
| FitLess Premium Monthly | $8.99 | per month |
| FitLess Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is NeroLens free?

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

### Is Calorie Tracker free?

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

### Do NeroLens or Calorie Tracker have ads?

Neither NeroLens nor Calorie Tracker shows ads.

### Which is updated more often, NeroLens or Calorie Tracker?

NeroLens ships an update every 4 days, and Calorie Tracker monthly. Most recently, NeroLens was updated on October 5, 2026 and Calorie Tracker on October 22, 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.*