Comparison

BOSS LIGHT vs Zero Helper

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

BOSS LIGHT

Features
Read full description

This app is used to control dual color temperature light products. It can adjust display mode, brightness, color temperature, and also shake to adjust brightness.

About

Zero Helper

Features
Read full description

Zero Helper takes the guesswork out of zeroing a rifle, carbine or air gun. Choose your zero β€’ Tell it how you shoot (close range, general purpose or precision) and it recommends zero distances for your velocity and sight height β€’ Compare where each zero peaks and where it comes back on target See the whole trajectory β€’ A chart of your point of impact from the muzzle out to 1,000 yards, with near and far zero marked β€’ A table of drop at common distances β€’ Show my work: every step of the calculation, so you can check it Dial it in β€’ Measure how far your group landed from the aim point, and the click calculator says how many clicks to turn, up or down, left or right β€’ MOA and MIL turrets, any click value, in yards and inches or meters and centimeters Print true-scale targets β€’ MOA and MIL grid targets for Letter, A4 and 24Γ—36 posters, sized for the distance you shoot β€’ Bullseye rings, crosshair and size check bars, with your rifle's details printed on it Keep a log β€’ Save each rifle with its caliber, velocity, optic and units β€’ Log range sessions, maintenance and zero changes for each rifle, plus a journal for range days β€’ Export a backup and import it on another device Yards or meters, inches, centimeters or millimeters, feet or meters per second: pick your units for the app or for each rifle. Everything stays on your device. There's no account and no ads. Trajectory figures are estimates from a simple model. Always confirm your zero with live fire, and follow your range's safety rules. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://yeix.io/zero-helper/privacy

Screenshots

BOSS LIGHT3 screens
Zero Helper4 screens

Verdict

The call

The clearest difference is price: BOSS LIGHT at Free against Zero Helper's $9.99. BOSS LIGHT also leads on update cadence (every 6 weeks vs every 13 months) and iOS requirement (11.0 vs 16.4). On ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

BOSS LIGHT is free to download; Zero Helper costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BOSS LIGHT ships an update every 6 weeks, Zero Helper every 13 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard3 real differences Β· 3 level
BOSS LIGHT versus Zero Helper: the parameters behind the verdict, then further details
ParameterBOSS LIGHTZero Helper
PriceFree β€” better$9.99
Update frequencyEvery 6 weeks β€” betterEvery 13 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS11.0 β€” better16.4
Further details β€” not scored
Size26 MB42 MB
Age rating4+17+
Developerε₯‡ε‹‡ 钜Michael Johnston

In-app purchases

None

BOSS LIGHT

No in-app purchases

None

Zero Helper

No in-app purchases

Questions

Is BOSS LIGHT free?
BOSS LIGHT is free to download, with no in-app purchases.
Is Zero Helper free?
Zero Helper costs $9.99, with no in-app purchases.
Do BOSS LIGHT or Zero Helper have ads?
Neither BOSS LIGHT nor Zero Helper shows ads.
Which is updated more often, BOSS LIGHT or Zero Helper?
BOSS LIGHT ships an update every 6 weeks, and Zero Helper every 13 months. Most recently, BOSS LIGHT was updated on October 25, 2026 and Zero Helper on October 24, 2026.

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