Comparison

Gengou vs AGBoard

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

Head to head
About

Gengou

Quickly convert between Japanese era names and Christian era years. Features include era and year searches, period and era pickers, and the ability to display text in Japanese or English.

Highlights
  • Era and Year Search
  • Period Picker
  • Era Picker
  • Christian Era Year Picker
  • Japanese Era Year Picker
  • Show This Year Button
  • Dual Language Support (JP/EN)
Features
Read full description

"Gengou" is a quick reference of the Japanese era system. This application has functions as below. - Era and Year Search - Period picker - Era picker - Christian era year picker - Japanese era year picker - Show this year button - Texts can be shown in Japanese or English independently of the default language setting. - Application badge can show this year number in the Japanese era or the Christian era. The Japanese era system identifies a year by the combination of the era name (Gengou or Nengou) and the year number within the era. For example, A.D. 2001 is Heisei 13. Please note that two Gengou schemes were used in Parallel from 1331 to 1392 during Nanboku-chō period. This application would be very useful if you are working with the governments, municipal offices and/or certain companies in Japan.

About

AGBoard

This app allows users to view and edit PCB files on their mobile devices. It supports a wide range of formats and offers tools for measurement, net tracing, and annotation.

Highlights
  • View and edit PCB files
  • Supports Gerber, ODB++, KiCad, Altium, DXF, Eagle, and more
  • Interactive 3D view
  • Measurement and analysis tools
  • Net trace and search functionality
  • Markup and annotation tools
  • Component search
Features
Read full description

AGBoard - PCBEditor is a touch-friendly PCB viewer and inspection tool for iPhone and iPad. Open Gerber, Excellon, ODB++, KiCad boards and schematics, Altium, DXF, Eagle, BoardView, netlist and placement files, then zoom, measure, edit and save — all processed locally. OPEN ANY PCB FILE • Gerber RS-274X, X2 and X3 — X3 carries components and nets on its own; X2 sets each layer's role • Gerber job files (.gbrjob): a whole export in one tap, layers identified • Excellon drill files (.drl, .tap, .nc…) • ODB++ jobs (.tgz / .tar / .zip / .gz) — panels expanded, nets included • IPC-2581 designs (.cvg / .xml): layers, pads, traces and nets in one file • AutoCAD DXF (.dxf): layers, lines, arcs, circles, polylines, blocks, text • KiCad natively (.kicad_pcb, .kicad_pro, .kicad_mod) — tracks, vias, pads, zones, silkscreen, components and nets • KiCad schematics (.kicad_sch) — symbols, wires, buses, junctions, net labels, hierarchical sheets; one net search covers schematic and board • KiCad symbol libraries (.kicad_sym) and drawing sheets (.kicad_wks) • Altium natively (.PcbDoc, .PcbLib) — copper, pours, silkscreen, outline, components and nets • Save ODB++, DXF, IPC-2581 or Gerber, or convert any board to ODB++, IPC-2581 or DXF. Untouched KiCad, Eagle, Altium and BoardView sources come back exactly; compatible edits are patched • Eagle .brd boards (XML) • Landrex BoardView .brd: outline, component envelopes, pins, test points, nets • IPC-D-356 netlists for net search • CSV / TXT / POS component placement (pick-and-place) files LAYER CONTROL • Show, hide, reorder, lock, recolor, duplicate, export layers • Realistic colors • Interactive 3D view: real thickness, copper, holes and components — flip it over MEASUREMENT & ANALYSIS • Three modes: Edges for true clearance between the nearest copper, Centers for pitch, Points for anywhere • Each reading: dX/dY, angle, midpoint, clearance, overlap • Snapping to pads, holes and the grid • Export all measurements as CSV • Board statistics: size, area, hole table by diameter, smallest drill and trace • Light DRC report (CSV) • Stencil area and aspect ratios (IPC-7525C), step zones drawn on the board, PDF/CSV report NET TRACE & SEARCH • Tap a trace or pad to light its whole net across layers, no netlist needed • In BoardView files, tap a pad to light its whole net, top and bottom • Nets from IPC-D-356 netlists, ODB++ jobs or IPC-2581 files • Search any net (GND, VCC…) and highlight all of its pads MARKUP & ANNOTATIONS • Add notes, arrows, rectangles and ellipses straight on the board • Annotations stay pinned through zoom and pan, and are saved in the project EDITING TOOLS • Move, duplicate, resize and delete shapes, with editable corner radius • Single-tap or marquee multi-selection, group transforms • Mirror, rotate, reset and panelize layers COMPONENT SEARCH • Component data from Gerber X3, KiCad, Altium, ODB++, Eagle and BoardView files • Search by reference, value or package; highlight top/bottom parts FAST WORKFLOW • Drag and drop from Files (iPad) • Open from Mail, Files or any cloud provider EXPORT & SHARE • High-resolution PNG images • Multi-page vector PDF (composite + one per layer) and AirPrint • Layer CSV reports and shareable project files PRIVATE BY DESIGN Your PCB files are opened and processed entirely on your device. AGBoard does not track you and never sells personal data. It contacts agboard-app.com only to check the installed version is current; no PCB file, account, payment or analytics identifier is sent. Includes an illustrated guide in English and French. Request an improvement or another format from Help -> Request feature. Free to download and opens five files at no charge. After that, an auto-renewable monthly or annual AGBoard Pro subscription is required. Subscriptions renew until cancelled in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: support@agboard-app.com

Screenshots

Gengou4 screens
AGBoard4 screens

Verdict

The call

The clearest difference is review sentiment: Gengou at 66% against AGBoard's 0%. Gengou also leads on rating (3.8 vs 3.0) and in-app purchases (none vs 2). AGBoard's advantage is price (Free vs $0.99) and update cadence (every 3 weeks vs every 30 months). On ads and device support 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

AGBoard is free to download; Gengou costs $0.99 up front. AGBoard sells 2 in-app purchases, starting at $3.99 per month. Gengou asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Gengou holds the better App Store score, 3.8 against 3.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 66% of Gengou's written reviews are positive against 0% of AGBoard's.

UpkeepUpdate frequency

Gengou ships an update every 30 months, AGBoard every 3 weeks. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

Scorecard8 real differences · 2 level
Gengou versus AGBoard: the parameters behind the verdict, then further details
ParameterGengouAGBoard
Price$0.99Free — better
Rating3.8 (4 ratings) — better3.0 (1 ratings)
Positive reviews66.1% of reviews — better0.0% of reviews
Number of ratings4 — better1
Update frequencyEvery 30 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size3 MB17 MB
Age rating4+4+
DeveloperMasayuki AkamatsuGUILLAUME PIERRE AGNETTI

Customer experience

Gengou

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews56 reviews
Positive66.1%
Neutral10.7%
Negative23.2%

AGBoard

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

None

Gengou

No in-app purchases

2 purchases

AGBoard

Subscriptions2
  • AGBoard Pro Monthly$3.991 Month
  • AGBoard Pro Annual$34.991 Year

Questions

Is Gengou free?
Gengou costs $0.99, with no in-app purchases.
Is AGBoard free?
AGBoard is free to download, with in-app purchases available.
Which has better reviews, Gengou or AGBoard?
Gengou is rated higher. Gengou averages 3.8 out of 5 from 4 ratings, while AGBoard averages 3.0 from 1 ratings.
Do Gengou or AGBoard have ads?
Neither Gengou nor AGBoard shows ads.
Which is updated more often, Gengou or AGBoard?
Gengou ships an update every 30 months, and AGBoard every 3 weeks. Most recently, Gengou was updated on October 24, 2026 and AGBoard on October 12, 2026.

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