Comparison

Sub3 vs VoltVault

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

Head to head
About

Sub3

Features
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Sub3 is a minimalist tracking tool focused on helping you sort out your subscription and lifetime app expenses. Core Features: 1.3D Card Stack Visuals: Say goodbye to boring text lists. 2.Minimalist Design: No unnecessary distractions. 3.Versatile Widgets: Offers widgets in various sizes and styles. 4.Themes: Built-in multiple colors and styles. 5.Reminders: Get timely notifications before your next billing date. 6.Spending Insights: Clear visual charts break down your monthly and yearly expenses. Privacy Policy:https://sweet-creator-0ec.notion.site/Privacy-Policy-Sub3-32f47e1151658096b07af4c2b5bc6a78 Terms of Use:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

VoltVault

Features
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VoltVault 是一款纯本地存储的密码保险箱, 帮你安全地管理所有账号密码和 TOTP 验证码。 【核心功能】 • 密码管理 — 统一保存账号、密码、网址、备注 • TOTP 验证码 — 自动生成六位实时动态码,扫二维码一秒导入 • Steam Guard — 支持 Steam 平台特殊验证码 • 隐私优先 — 数据仅保存在本机,不上传任何服务器 • 快速解锁 — 支持 Face ID / Touch ID 验证,一键复制 【安全设计】 • 密码和验证码 Secret 独立存储于 iOS Keychain • 查看密码、验证码、编辑条目分别独立验证开关 • 可自定义 Face ID 认证复用时长(15秒~2分钟) • App 启动验证可选,安心保护你的数据 【多语言支持】 支持简体中文、繁体中文、英语、法语、西班牙语、日语、韩语、德语 【适合人群】 • 重视隐私、不希望密码上云的用户 • 需要统一管理工作与生活账号的技术型用户 • 已使用 TOTP 但不想切换多个 App 的人 数据永远属于你。VoltVault,本地安全,不止于此。

Screenshots

Sub34 screens
VoltVault3 screens

Verdict

The call

The clearest difference is in-app purchases: VoltVault at none against Sub3's 3. On price, update cadence, ads 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. Sub3 sells 3 in-app purchases, starting at $2.99 per month. VoltVault asks for nothing beyond the download.

UpkeepUpdate frequency

Sub3 ships an update every 9 days, VoltVault fortnightly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 5 level
Sub3 versus VoltVault: the parameters behind the verdict, then further details
ParameterSub3VoltVault
PriceFreeFree
Update frequencyEvery 9 days — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhoneiPhone, iPad — better
Requires iOS1817.6 — better
Further details — not scored
Size33 MB1 MB
Age rating4+9+
Developer辉 彭朝霞 程

In-app purchases

3 purchases

Sub3

Subscriptions2
  • monthly$2.991 Month
  • yearly$12.991 Year
One-time1
  • lifetime$19.99
None

VoltVault

No in-app purchases

Questions

Is Sub3 free?
Sub3 is free to download, with in-app purchases available.
Is VoltVault free?
VoltVault is free to download, with no in-app purchases.
Do Sub3 or VoltVault have ads?
Neither Sub3 nor VoltVault shows ads.
Which is updated more often, Sub3 or VoltVault?
Sub3 ships an update every 9 days, and VoltVault fortnightly. Most recently, Sub3 was updated on October 7, 2026 and VoltVault on October 10, 2026.

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