Comparison

VideoTracer vs Contract Lab

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

Head to head
About

VideoTracer

Features
Read full description

通过Wi-Fi连接控制。支持预览,拍照,录像,查看管理执法仪文件,并可以下载到手机,可以设置执法仪。

About

Contract Lab

Read full description

ContractLab is an analytical calculator for the trade-up contract mechanic inside Counter-Strike 2. It helps players plan material combinations before they execute contracts inside Valve's official game client. This is a calculator and reference tool. ContractLab does NOT: • Execute any in-game actions or interact with Valve game servers • Facilitate buying, selling, or trading of virtual items between users • Provide financial, investment, or trading advice • Operate any form of gambling, loot box, or lottery mechanic — FEATURES — • Knapsack-based contract solver: compute optimal material combinations under wear-value and quantity constraints • Wear-value precision calculator down to 7 decimal places • Multi-platform market price reference (Buff, Steam Market, C5, YouPin, CSFloat, EcoSteam) — data is fetched from each platform's public API on user request, ContractLab does not store or proxy purchase data • Skin database with collection / rarity / wear-tier metadata • Local-first compute: contract analysis runs entirely on-device — DISCLAIMER — ContractLab is an independent tool developed by fans, not affiliated with, endorsed by, or sponsored by Valve Corporation. Counter-Strike, CS:GO, CS2, and all related marks are trademarks of Valve Corporation. Market price data is informational only and may not reflect real-time prices. Virtual item prices fluctuate; nothing in this app constitutes investment, financial, or trading advice. Use at your own discretion. — PRIVACY — ContractLab does not track you across other apps or websites. We do not use the IDFA. Third-party market account credentials are stored only in your device's Keychain and never transmitted to our servers. See the in-app privacy notice for full details. Questions or feedback: support@cs-contract.com

Screenshots

VideoTracer4 screens
Contract Lab4 screens

Verdict

The call

The clearest difference is update cadence: Contract Lab at weekly against VideoTracer's every 5 months. VideoTracer's advantage is iOS requirement (12.0 vs 18.0). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

VideoTracer ships an update every 5 months, Contract Lab weekly. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 4 level
VideoTracer versus Contract Lab: the parameters behind the verdict, then further details
ParameterVideoTracerContract Lab
PriceFreeFree
Update frequencyEvery 5 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPod — betteriPhone
Requires iOS12.0 — better18.0
Further details — not scored
Size24 MB69 MB
Age rating4+4+
Developer深圳市京华信息技术有限公司奇 林

In-app purchases

None

VideoTracer

No in-app purchases

None

Contract Lab

No in-app purchases

Questions

Is VideoTracer free?
VideoTracer is free to download, with no in-app purchases.
Is Contract Lab free?
Contract Lab is free to download, with no in-app purchases.
Do VideoTracer or Contract Lab have ads?
Neither VideoTracer nor Contract Lab shows ads.
Which is updated more often, VideoTracer or Contract Lab?
VideoTracer ships an update every 5 months, and Contract Lab weekly. Most recently, VideoTracer was updated on September 29, 2026 and Contract Lab on October 4, 2026.

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