Comparison

Victoria 3 Toolbox vs String Tension Calc

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

Head to head
About

Victoria 3 Toolbox

Features
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Victoria 3 Toolbox is an unofficial offline manual and economy planning toolbox for Victoria 3 players. It is built for new and returning players who want to understand the economy faster and plan construction with clearer tradeoffs. Free features: - Selected offline reference articles adapted from Victoria 3 Wiki contributors under CC BY-SA 3.0 for economy, pops, buildings, goods, production, laws, trade, and war basics - Search across mechanics, goods, buildings, and terms - 40+ goods, 30+ buildings, and version-labeled reference data - Basic construction budget calculator and real previews for advanced tools Pro value pack: - Advanced Construction Queue Planner - Goods Bottleneck Diagnoser - State Specialization Planner - Industry Chain Comparator - Unlimited local saves, real plan comparison, and Markdown export - 12 strategy playbooks that generate saved template plans for common economy and war-prep workflows The app does not require an account, does not show ads, does not track users, and is designed to work offline for manual reading and already unlocked tools. Purchases and restore are handled by the App Store. This unofficial app is not affiliated with or endorsed by Paradox Interactive. Selected offline reference text is adapted from Victoria 3 Wiki contributors under CC BY-SA 3.0; each article links to its source, contributor history, and license. Wiki and Paradox images, logos, audio, and game files are excluded from this build. The planning tools and their outputs are original Yunfan Labs features, and the licensed reference text remains free.

About

String Tension Calc

Features
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Unlock the perfect tone and playability with precise string tension calculations. Whether you are a luthier, technician, or player, this app helps you optimize your guitar setup instantly. The intuitive String Tension Dashboard displays real-time data for all six strings. Simply input your scale length, string gauge, and tuning to see exact tension in pounds. Avoid breakage and improve intonation with data-driven precision. Designed for speed and accuracy, this tool supports standard and alternate tunings. Get the perfect feel for your instrument today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Victoria 3 Toolbox4 screens
String Tension Calc4 screens

Verdict

The call

The clearest difference is update cadence: String Tension Calc at every 3 weeks against Victoria 3 Toolbox's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Victoria 3 Toolbox sells 1 one-off in-app purchase and String Tension Calc sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Victoria 3 Toolbox ships an update every 2 months, String Tension Calc every 3 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

Scorecard1 real difference ยท 5 level
Victoria 3 Toolbox versus String Tension Calc: the parameters behind the verdict, then further details
ParameterVictoria 3 ToolboxString Tension Calc
PriceFreeFree
Update frequencyEvery 2 monthsEvery 3 weeks โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS17.017.0
Further details โ€” not scored
Size69 MB44 MB
Age rating12+4+
Developerๅธ† ่ƒกVasilii Polovnikov

In-app purchases

1 purchases

Victoria 3 Toolbox

One-time1
  • Lifetime Pro$2.99
4 purchases

String Tension Calc

Subscriptions3
  • Premium$2.997 Days
  • Premium$3.991 Month
  • Premium$5.991 Year
One-time1
  • Lifetime$7.99

Questions

Is Victoria 3 Toolbox free?
Victoria 3 Toolbox is free to download, with in-app purchases available.
Is String Tension Calc free?
String Tension Calc is free to download, with in-app purchases available.
Do Victoria 3 Toolbox or String Tension Calc have ads?
Neither Victoria 3 Toolbox nor String Tension Calc shows ads.
Which is updated more often, Victoria 3 Toolbox or String Tension Calc?
Victoria 3 Toolbox ships an update every 2 months, and String Tension Calc every 3 weeks. Most recently, Victoria 3 Toolbox was updated on October 28, 2026 and String Tension Calc on October 31, 2026.

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