Comparison

KD Serials vs FMO

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

Head to head
About

KD Serials

Features
Read full description

KD series volt-ampere meter is a new type of coulomb meter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, remaining time, etc. At the same time, parameters can also be set to achieve full capacity voltage, zero capacity voltage, low capacity alarms, etc. Features. The meter can automatically identify the direction of the current, and can monitor the battery capacity in real time and use a broken code liquid crystal display. The measured data display information is comprehensive and user-friendly.

About

FMO

This real-time dashboard and contact log app organizes amateur radio FMO device information into a mobile-friendly interface. It helps users quickly understand network activity during shifts, listening, and reviewing logs. Features include a live dashboard, contact logging, historical contact lookup, call sign voice broadcasting, and multi-address management.

Highlights
  • Real-time dashboard with current activity
  • Contact log with import and sync
  • Historical contact lookup
  • Call sign voice broadcasting
  • Multi-address management
  • Data import, sync, backup, and export
Features
Read full description

FMO-Dashboard 是为业余无线电 FMO 用户设计的实时仪表盘与通联日志工具。 它将 FMO 设备中的通联信息整理成更适合手机和平板查看的界面,帮助你在值守、收听和回顾通联记录时,更快了解当前网络中正在发生什么。 主要功能: 实时仪表盘 打开 App 后可查看当前或最近发言呼号、QTH、网格、相对方位、距离、当前中继以及最近通联列表。 通联日志 支持同步和导入 FMO 通联日志,按时间查看通联记录,并展示呼号、时间、QTH、模式、中继、留言等信息。 老朋友回溯 自动识别历史通联过的呼号,支持查看与某个呼号的历史通联记录,方便快速回忆过往通联情况。 呼号语音播报 支持通联播报和新呼号提示,呼号可按 NATO 字母解释法播报,适合值守时减少频繁看屏幕的需求。 多地址管理 可保存多个 FMO 地址,支持局域网 IP、fmo.local 以及可访问的远程地址,便于在不同网络环境中使用。 数据管理 支持 FMO 日志导入、同步、备份和导出,方便在不同设备间保留和整理通联数据。 本 App 在BH5HSJ的“FMOLogs”项目基础上开发,不是 FMO 官方应用,不提供无线电发射功能。它用于连接用户自己的 FMO 设备或查看用户导入的通联日志数据。

Screenshots

KD Serials2 screens
FMO4 screens

Verdict

The call

The clearest difference is price: KD Serials at Free against FMO's $0.99. KD Serials also leads on iOS requirement (9.0 vs 15.0). FMO's advantage is update cadence (every 2 weeks vs every 4 weeks). On ads, in-app purchases 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

KD Serials is free to download; FMO costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

KD Serials ships an update every 4 weeks, FMO every 2 weeks. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 5 level
KD Serials versus FMO: the parameters behind the verdict, then further details
ParameterKD SerialsFMO
PriceFree — better$0.99
Positive reviews—100.0% of reviews
Update frequencyEvery 4 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.0
Further details — not scored
Size39 MB10 MB
Age rating4+4+
DeveloperHangzhou Junce Instruments Co., Ltd.峰 于

In-app purchases

None

KD Serials

No in-app purchases

None

FMO

No in-app purchases

Questions

Is KD Serials free?
KD Serials is free to download, with no in-app purchases.
Is FMO free?
FMO costs $0.99, with no in-app purchases.
Do KD Serials or FMO have ads?
Neither KD Serials nor FMO shows ads.
Which is updated more often, KD Serials or FMO?
KD Serials ships an update every 4 weeks, and FMO every 2 weeks. Most recently, KD Serials was updated on October 17, 2026 and FMO on October 24, 2026.

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