2fauth vs SPICE Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
2fauth
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2fauth - 专为开发者和普通用户打造的两步验证应用 【为什么选择 2fauth?】 安全可靠 - AES-256-GCM 本地加密,PBKDF2 密钥派生,数据永不离开您的设备 简单易用 - 扫码即可添加,一键复制验证码,无需复杂设置 精致设计 - 极简界面,支持浅色/深色模式,自动跟随系统主题 专业品质 - 遵循 RFC 6238 标准,支持主流服务商 【核心功能】 扫码添加账户 - 对准二维码,自动识别服务和账号信息 手动输入支持 - 无法扫码?手动输入密钥同样便捷 实时验证码 - 倒计时圆环提醒,避免验证码过期 快速复制 - 点击验证码即可复制,无需长按 账户管理 - 编辑服务名称、账户名称,随时删除不需要的账户 主题切换 - 三种主题模式:浅色、深色、跟随系统 【技术特性】 支持多种哈希算法:SHA1、SHA256、SHA512 支持 6 位/8 位验证码 支持自定义时间周期 验证码分段显示,易于阅读 颜色编码倒计时:剩余时间一目了然 【隐私保护】 完全本地存储,无需联网 无服务器,无数据上传 无广告,无追踪 开源透明,安全可审计 【适用场景】 Google、Microsoft、GitHub、Facebook 等账户保护 企业邮箱、VPN、云服务的两步验证 加密货币钱包、交易所的安全认证 任何支持 TOTP 标准的服务 2fauth 让两步验证变得简单、安全、优雅。立即下载,为您的数字生活加一道锁!
SPICE Viewer
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SPICE Viewer provides a hierarchical view of SPICE documents, making it easy to navigate complex circuit definitions. It organizes content into structured levels including: Library definitions, Model declarations, Circuit elements, Associated parameters. With a clear tree-based structure, users can quickly inspect relationships between libraries, models, and elements without manually parsing raw SPICE text. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: SPICE Viewer at Free against 2fauth's $0.99. SPICE Viewer also leads on update cadence (every 2 months vs every 11 months). 2fauth's advantage is in-app purchases (none vs 4) and iOS requirement (12.0 vs 18.2). On 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
SPICE Viewer is free to download; 2fauth costs $0.99 up front. SPICE Viewer sells 4 in-app purchases, starting at $0.99 per month. 2fauth asks for nothing beyond the download.
2fauth ships an update every 11 months, SPICE Viewer every 2 months. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.
| Parameter | 2fauth | SPICE Viewer |
|---|---|---|
| Price | $0.99 | Free — better |
| Update frequency | Every 11 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 33 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | 重阳 石 | AIP Technology Corporation |
In-app purchases
2fauth
No in-app purchases
SPICE Viewer
- Viewer(Monthly)3 Days trial$0.991 Month
- Editor(Monthly)3 Days trial$9.991 Month
- Viewer(Annual)3 Days trial$9.991 Year
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- Editor(Annual)3 Days trial$99.991 Year









