Comparison

GearBoxTimer vs HikariYomi

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

Head to head
About

GearBoxTimer

Features
Read full description

GearBoxTimerは、天体撮影機器制御ツールGearBoxに接続してインターバル撮影を実行する天体撮影アプリです。 撮影には別売りのGearBoxが必要になります。 ○使い方 1. カメラを接続したGearBoxのWi-Fiに接続し、アプリから接続します。 2. 基準となる露出設定と撮影時間を設定し、GearBoxに送信します。 3. 撮影中はGearBoxのWi-Fiから切断しても、再接続すれば自動的に現在進行中の撮影状態を確認できます。 ○対応機種 ・Canon EOS R / EOS RP / EOS Ra / EOS R3 / EOS R6 / EOS R6 Mark II / EOS R7 / EOS R8 / EOS R10 / EOS R50 / EOS R100 EOS-1D Mark III / EOS-1D Mark IV / EOS-1D X / EOS-1D X Mark II / EOS-1D X Mark III / EOS-1Ds Mark III EOS 5D Mark II / EOS 5D Mark III / EOS 5D Mark IV / EOS 5Ds / EOS 5Ds R / EOS 6D / EOS 6D Mark II / EOS 7D / EOS 7D Mark II EOS 40D / EOS 50D / EOS 60D / EOS 60Da / EOS 70D / EOS 80D / EOS 90D EOS Kiss F / EOS Kiss M / EOS Kiss M2 / EOS Kiss X2 / EOS Kiss X3 / EOS Kiss X4 / EOS Kiss X5 / EOS Kiss X6i / EOS Kiss X7 / EOS Kiss X7i / EOS Kiss X8i / EOS Kiss X9 / EOS Kiss X9i / EOS Kiss X10 / EOS Kiss X10i / EOS Kiss X50 / EOS Kiss X70 / EOS Kiss X80 / EOS Kiss X90 / EOS M200 ・FUJIFILM X-Pro3 / X-T3 / X-T4 / X-S10 ・Nikon Z5 / Z5II / Z6 / Z6II / Z7 / Z7II / Z9 / Z50 D4S / D5 / D6 D500 / D610 / D750 / D780 / D800 / D800E / D810 / D810A / D850 D5300 / D5500 / D5600 / D7100 / D7500 ・SONY α1 / α7C / α7S III / α7R IV / α7R V / α9 II / α6700

About

HikariYomi

This augmented reality tool uses satellite data and live telemetry to help photographers and filmmakers plan lighting and shadow placement. It offers detailed solar and celestial tracking, atmospheric predictions, and astrophotography tools.

Highlights
  • AR live solar and shadow telemetry
  • Satellite map planner with time scrubber
  • Atmospheric optics and sunset prediction
  • Astrophotography and nightscape guide
  • Cinema lens FOV framing guides
  • Dynamic Island and Lock Screen Live Activities
Features
Read full description

HikariYomi is an advanced AR solar telemetry and natural light scouting tool crafted specifically for photographers, cinematographers, and visual artists. "Where will the light fall, and where will shadows stretch at this exact location and time?" Experience seamless fusion of augmented reality and high-resolution satellite cartography to orchestrate your lighting setup with surgical precision. --- KEY CAPABILITIES: ◆ AR Live Solar & Shadow Telemetry - Direct camera AR overlay displaying real-time celestial trajectory, solar altitude, and azimuth until sunset/twilight. - Interactive Ground Shadow Vectors dynamically projecting shadow direction and multiplier ratios. - Cinema lens field-of-view (FOV) framing guides (Anamorphic, Full Frame, Super 35, APS-C). ◆ Satellite Map Planner - Drop a pin anywhere across the globe to simulate sunlight rays and casting shadows across satellite terrain. - Granular time-scrubber to travel across 1-minute increments for upcoming weeks. - Unlimited custom spot bookmarking with exact coordinates. ◆ Atmospheric Optics & Sunset Prediction - Real-time weather telemetry powered by Apple WeatherKit. - Proprietary 3-tier cloud breakdown (Low, Mid, High layers) with sunset vividness scoring. - Golden hour and blue hour duration countdowns. ◆ Astrophotography & Nightscape Guide - Precise moon phase, illumination percentage, and moonrise/set schedules. - Galactic Center (Milky Way core) azimuth, elevation, and optimal dark-sky window tracker. - Built-in NPF Rule and 500 Rule astrophotography exposure calculator. ◆ Deep iOS Integration - Dynamic Island and Lock Screen Live Activities for magic hour countdowns. - Home Screen Widgets for instant glanceable light telemetry. - Haptic feedback and organic sound design (fully respectful of Silent Mode). Never miss golden hour again. Unlock the language of natural light with HikariYomi.

Screenshots

GearBoxTimer4 screens
HikariYomi4 screens

Verdict

The call

The clearest difference is in-app purchases: GearBoxTimer at none against HikariYomi's 1. On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. HikariYomi sells 1 one-off in-app purchase. GearBoxTimer asks for nothing beyond the download.

Scorecard1 real difference · 7 level
GearBoxTimer versus HikariYomi: the parameters behind the verdict, then further details
ParameterGearBoxTimerHikariYomi
PriceFreeFree
Positive reviews—50.0% of reviews
Update frequency—Every 2 days
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS16 — better16.2
Further details — not scored
Size37 MB7 MB
Age rating4+4+
DeveloperAstroArts Inc.Keita Morozumi

In-app purchases

None

GearBoxTimer

No in-app purchases

1 purchases

HikariYomi

One-time1
  • HikariYomi PRO$6.99

Questions

Is GearBoxTimer free?
GearBoxTimer is free to download, with no in-app purchases.
Is HikariYomi free?
HikariYomi is free to download, with in-app purchases available.
Do GearBoxTimer or HikariYomi have ads?
Neither GearBoxTimer nor HikariYomi shows ads.

Other comparisons