Comparison

Rytek vs OnninGym

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

Head to head
About

Rytek

This app helps lifters track their strength training progress offline. Log sets, create custom plans, and monitor key metrics like volume and PRs without distractions. Review detailed stats and export your data.

Highlights
  • Log weight, reps, and RPE
  • Create and run training plans
  • Track PRs and volume
  • Monitor Training Readiness
  • Review workout statistics
  • Export training data
  • Offline functionality
Features
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Rytek is a local-first strength training log for recording workouts, following a plan, and reviewing progress over time. What you can do: • Log weight, reps, RPE, warm-up sets, and completion • Create and run 5x5, PPL, upper/lower, full-body, or custom plans • Start planned workout days from Today and track exercise progress • Review PRs, estimated 1RM, volume, consistency, and Training Readiness • See plan completions, skipped exercises, and extra work • Create workout recap cards to save or share • Export training data and use local backup and sync tools Core workout logging works offline, without a social feed or leaderboard. Pro is a one-time purchase, not a subscription. It unlocks multiple plans, plan copying, detailed plan stats, data export, local backups, and sync. Privacy Policy: https://rytek.naxs.top/privacy-policy Terms of Use: https://rytek.naxs.top/terms-of-use

About

OnninGym

Features
Read full description

OnninGym 是專為重訓玩家打造的訓練紀錄 app。在 iPhone 上設計你的課表,戴上 Apple Watch 走進健身房,一組組打勾、自動記錄重量與次數,訓練結束後同步回手機分析。 不需要每次拿出手機翻紀錄,所有操作在手腕上完成。 【核心功能】 iPhone 端: - 課表自由編輯,可拖曳排序動作 - 內建模板:胸/背/腿/肩 單肌群,以及胸+背、腿+肩、背+肩、胸+肩 組合 - 課表編輯支援暖身組/工作組分離配置,自動切換重量 - 訓練紀錄一目了然,個人最佳(PR)自動偵測 - 訓練摘要圖表:心率折線、容量長條、容量趨勢 - 飲食試算:Mifflin-St Jeor BMR + TDEE 公式,支援減脂/維持/增肌 - 三大營養素自訂攝取,可直接輸入克數 - 每週彈性排程,可設定每日提醒時間 - 恢復狀態追蹤,以衰減模型計算各肌群疲勞 Apple Watch 端: - 開始訓練即啟動 Workout Session,即時心率/卡路里 - 重量、次數分頁輸入,大字易讀,Digital Crown 微調 - 第一組輸入重量後自動沿用,只需要調次數 - 暖身組做完,自動切換到工作組重量 - 推不滿目標次數時,系統建議降階 5%,一鍵套用 - 組間休息倒數,可快速 +15s/+30s/+1m - 器材排隊時可暫緩當前動作,稍後從待做清單拉回 - 訓練結束自動同步回 iPhone 【適合誰】 - 重訓初學到進階,自由重量或機械訓練都適用 - 想擺脫筆記本/紙筆紀錄、又不想用過於複雜的健身 app - 配戴 Apple Watch,希望整合心率與運動 Ring - 在意組間休息精準度與訓練容量趨勢 【隱私】 OnninGym 不收集任何個人資料,不上傳訓練紀錄到雲端。所有資料儲存在你的 iPhone 與 Apple Watch 本機。HealthKit 整合僅用於讀取心率/卡路里、寫入訓練到「健康」app,完全在裝置內處理。 【技術規格】 - 需要 iOS 18+ / watchOS 11+ - 整合 HealthKit、WatchConnectivity、SwiftData - 全繁體中文介面

Screenshots

Rytek4 screens
OnninGym4 screens

Verdict

The call

The clearest difference is in-app purchases: OnninGym at none against Rytek's 1. OnninGym also leads on update cadence (daily vs every 4 days). 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. Rytek sells 1 one-off in-app purchase. OnninGym asks for nothing beyond the download.

UpkeepUpdate frequency

Rytek ships an update every 4 days, OnninGym daily. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 7 level
Rytek versus OnninGym: the parameters behind the verdict, then further details
ParameterRytekOnninGym
PriceFreeFree
Rating3.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 4 daysDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, Apple Watch — better
Requires iOS17.0 — better18.0
Further details — not scored
Size73 MB5 MB
Age rating4+4+
Developer文超 李WEN CHENG YEH

In-app purchases

1 purchases

Rytek

One-time1
  • Pro (Lifetime)$8.99
None

OnninGym

No in-app purchases

Questions

Is Rytek free?
Rytek is free to download, with in-app purchases available.
Is OnninGym free?
OnninGym is free to download, with no in-app purchases.
Do Rytek or OnninGym have ads?
Neither Rytek nor OnninGym shows ads.
Which is updated more often, Rytek or OnninGym?
Rytek ships an update every 4 days, and OnninGym daily. Most recently, Rytek was updated on October 5, 2026 and OnninGym on October 13, 2026.

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