Unit Convert Go vs VoltVault
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Convert Go
This utility app offers fast, offline unit conversions for everyday needs. It supports a wide range of units including length, weight, temperature, and currency, with live, two-way conversion as you type. Favorite conversions can be pinned for quick access, and all data is kept private on your device.
- Live, two-way conversion
- Offline-friendly
- Pin favorite conversions
- Recent conversions saved
- Latest currency rates
- Light and dark mode
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Unit Convert is a fast, offline-friendly unit converter for everyday needs. Convert length, weight, temperature, area, volume, time, speed, data, energy, pressure, power, angle, fuel economy, frequency and currency with a clean, native interface. Key features - Live, two-way conversion as you type - Pin favorite unit pairs for one-tap access - Recent conversions saved on your device - Built-in conversion tables for any base unit - Latest currency rates from a public source, cached for offline use - Decimal precision, thousand separator and haptics in Settings - Light and dark mode, Dynamic Type, English and Simplified Chinese No account, no ads, no tracking. Your data stays on your device.
VoltVault
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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
Verdict
Unit Convert Go and VoltVault are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Unit Convert Go ships an update every 2 weeks, VoltVault fortnightly. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.
| Parameter | Unit Convert Go | VoltVault |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 2 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 3 MB | 1 MB |
| Age rating | 4+ | 9+ |
| Developer | 晓 郭 | 朝霞 程 |
In-app purchases
Unit Convert Go
No in-app purchases
VoltVault
No in-app purchases
Questions
Is Unit Convert Go free?
Is VoltVault free?
Do Unit Convert Go or VoltVault have ads?
Which is updated more often, Unit Convert Go or VoltVault?
Other comparisons
