Comparison

TrainCord vs 之之 网球

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

Head to head
About

TrainCord

Features
Read full description

TrainCord - Focus on planning and data recording for training. · Create training groups as needed, customize your own training program; · easily arrange your training schedule, not missing any session because everything is well-organized; · Supports various training modes, and you can quickly find the right training rhythm; · With a rich data recording and display, see your growth line. The TrainCord membership auto-renewing subscription details are as follows: By becoming a TrainCord premium, you can unlock all premium features, enjoy future free updates, and benefit from an ad-free experience. Once you confirm the purchase and submit payment, the subscription fee will be automatically renewed via your iTunes account. The Apple iTunes account will deduct the fee within 24 hours prior to the expiration of the subscription period, and the subscription period will be extended by one subscription period after a successful deduction. If you wish to cancel the auto-renewal, please manually disable this function in the iTunes/AppleID settings management at least 24 hours before the current subscription period expires. If your iTunes account does not cancel the subscription during the free trial period, it will automatically activate the subscription and charge the fee upon trial period expiration, and any unused trial period will be invalid after purchasing the subscription. This service is optional for you, and if you choose not to cancel, it will provide you with the renewal service for the next billing period. Privacy policy: https://www.basboard.com/traincord/privacy User agreement: https://www.basboard.com/traincord/agreement

About

之之 网球

Features
Read full description

之之网球是一款专为网球爱好者打造的智能动作分析与训练记录工具,通过 AI 技术,帮助你看清每一次挥拍,提升每一次击球质量。 无论你是初学者还是进阶选手,都可以通过科学的数据分析和可视化反馈,快速找到问题、优化动作,让训练更高效。 核心功能: 1.AI挥拍动作识别 自动识别正手、反手、发球等多种挥拍动作,精准记录每一次击球表现。 2.动作分析与对比 通过关键动作拆解与对比分析,帮助你发现挥拍中的细节问题,持续优化技术。 3.训练记录与成长追踪 完整记录每一次训练数据,生成清晰的成长轨迹,让进步看得见。 4.精彩集锦编辑 一键剪辑训练中的高光时刻,生成属于你的网球精彩视频。 5.数据驱动训练 用数据指导训练,而不是凭感觉,让每一分努力都有方向。 为什么选择之之网球 不只是记录,而是真正帮助你提升技术 不只是视频,而是可分析、可复盘的训练工具 不只是练习,而是系统化的成长路径 适用人群 想提升技术的网球爱好者 正在系统训练的业余/专业选手 网球教练与教学辅助工具 现在开始,让每一次挥拍都更有价值。 之之网球,陪你打出更好的自己。 【自动续费会员说明】 — 订阅周期:1个月(连续包月产品),1季(连续包季产品),1年(连续包年产品)。 — 订阅价格:连续包月产品:23元/月。连续包季产品:68元/季。连续包年产品:169元/年。 — 付款:用户确认购买并付款后记入iTunes账户。 — 用户可以通过用户的帐户设置来管理用户的订阅和自动更新。 — 取消续订:如需取消续订,请在当前订阅周期到期前24小时以前,手动在iTunes/Apple ID设置管理中关闭自动续订功能。 — 续订:会员的自有充值账户或苹果iTunes账户会在到期前24小时内扣费,扣费成功后订阅周期顺延一个订阅周期。 — 会员服务协议:http://docs.zztennis.ttaisport.com/customerservice.html — 会员自动续费服务协议:http://docs.zztennis.ttaisport.com/renewal.html

Screenshots

TrainCord4 screens
之之 网球4 screens

Verdict

The call

The clearest difference is ads: TrainCord at none against 之之 网球's shown. TrainCord also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, 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

Both are free to download. TrainCord sells 3 in-app purchases, starting at $0.99 per month and 之之 网球 sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

TrainCord ships an update every 2 days, 之之 网球 every 4 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 4 level
TrainCord versus 之之 网球: the parameters behind the verdict, then further details
ParameterTrainCord之之 网球
PriceFreeFree
Update frequencyEvery 2 days — betterEvery 4 days
AdsNo — betterYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size33 MB316 MB
Age rating4+4+
DeveloperWenzhou Shangchang Technology Co., Ltd.北京体提科技有限公司

In-app purchases

3 purchases

TrainCord

Subscriptions2
  • 1 Month$0.991 Month
  • 12 Months$4.991 Year
One-time1
  • 永久会员$8.99
10 purchases

之之 网球

Subscriptions3
  • 连续包月$2.991 Month
  • 连续包季$9.993 Months
  • 连续包年$24.991 Year
One-time7
  • 126金豆$2.99
  • 月卡$3.99
  • 336金豆$6.99
Show 4 more
  • 季卡$9.99
  • 686金豆$14.99
  • 年卡$29.99
  • 3486金豆$69.99

Questions

Is TrainCord free?
TrainCord is free to download, with in-app purchases available.
Is 之之 网球 free?
之之 网球 is free to download, with in-app purchases available.
Do TrainCord or 之之 网球 have ads?
之之 网球 shows ads; TrainCord does not.
Which is updated more often, TrainCord or 之之 网球?
TrainCord ships an update every 2 days, and 之之 网球 every 4 days. Most recently, TrainCord was updated on November 3, 2026 and 之之 网球 on November 5, 2026.

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