# PROOF + vs Lights Out Boxing Timer

The clearest difference is price: PROOF + at Free against Lights Out Boxing Timer's $2.99. PROOF + also leads on update cadence (every 9 days vs every 13 months). Lights Out Boxing Timer's advantage is iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

PROOF + is free to download; Lights Out Boxing Timer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PROOF + ships an update every 9 days, Lights Out Boxing Timer every 13 months. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PROOF + | Lights Out Boxing Timer |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.6 (105 ratings)](https://appshunter.io/ios/app/proof-plus/id1471553656/reviews)** | — |
| Number of ratings | **105** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 13 months |
| Monetization | Free | — |
| Size | 433 MB | 15 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [RecoveryTrek LLC](https://appshunter.io/developer/961222126) | [Candlelight Stories, Inc.](https://appshunter.io/developer/1334355815) |

## What reviewers say

### PROOF +

[App page](https://appshunter.io/ios/app/proof-plus/id1471553656)

This app offers a patented mobile solution for drug and alcohol testing, simplifying specimen collection. It integrates with existing platforms or works independently, making testing easy, cost-effective, and reducing errors.

**Highlights:** Patented mobile testing solution, Simplifies specimen collection, Reduces scheduling conflicts, Integrates with existing platforms, Stand-alone solution option, Cost-effective testing, Reduces issues and errors

**Features:** Vision Pro support

**In-app purchases:** none


### Lights Out Boxing Timer

[App page](https://appshunter.io/ios/app/lights-out-boxing-timer/id1554605248)

**In-app purchases:** none


## Frequently asked questions

### Is PROOF + free?

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

### Is Lights Out Boxing Timer free?

Lights Out Boxing Timer costs $2.99, with no in-app purchases.

### Do PROOF + or Lights Out Boxing Timer have ads?

Neither PROOF + nor Lights Out Boxing Timer shows ads.

### Which is updated more often, PROOF + or Lights Out Boxing Timer?

PROOF + ships an update every 9 days, and Lights Out Boxing Timer every 13 months. Most recently, PROOF + was updated on October 14, 2026 and Lights Out Boxing Timer on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*