# Fidelity vs SIGMA LUME

The clearest difference is update cadence: Fidelity at every 5 days against SIGMA LUME's every 4 months. SIGMA LUME's advantage is iOS requirement (11.0 vs 17.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fidelity ships an update every 5 days, SIGMA LUME every 4 months. The most recent releases landed on October 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Fidelity | SIGMA LUME |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 months |
| Size | 21 MB | 27 MB |
| Requires iOS | 17.5 | **11.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Enzo Sestito](https://appshunter.io/developer/499885266) | [ID&A S.r.l.](https://appshunter.io/developer/1446283055) |

## What reviewers say

### Fidelity

[App page](https://appshunter.io/ios/app/fidelity/id6744334754)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases:** none


### SIGMA LUME

[App page](https://appshunter.io/ios/app/sigma-lume/id6746123995)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fidelity free?

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

### Is SIGMA LUME free?

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

### Do Fidelity or SIGMA LUME have ads?

Neither Fidelity nor SIGMA LUME shows ads.

### Which is updated more often, Fidelity or SIGMA LUME?

Fidelity ships an update every 5 days, and SIGMA LUME every 4 months. Most recently, Fidelity was updated on October 11, 2026 and SIGMA LUME on September 18, 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.*