Comparison

2fauth vs SPICE Viewer

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

Head to head
About

2fauth

Features
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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!

About

SPICE Viewer

Features
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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

2fauth4 screens
SPICE Viewer3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 2 level
2fauth versus SPICE Viewer: the parameters behind the verdict, then further details
Parameter2fauthSPICE Viewer
Price$0.99Free — better
Update frequencyEvery 11 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.2
Further details — not scored
Size33 MB16 MB
Age rating4+4+
Developer重阳 石AIP Technology Corporation

In-app purchases

None

2fauth

No in-app purchases

4 purchases

SPICE Viewer

Subscriptions4
  • Viewer(Monthly)3 Days trial$0.991 Month
  • Editor(Monthly)3 Days trial$9.991 Month
  • Viewer(Annual)3 Days trial$9.991 Year
Show 1 more
  • Editor(Annual)3 Days trial$99.991 Year

Questions

Is 2fauth free?
2fauth costs $0.99, with no in-app purchases.
Is SPICE Viewer free?
SPICE Viewer is free to download, with in-app purchases available.
Do 2fauth or SPICE Viewer have ads?
Neither 2fauth nor SPICE Viewer shows ads.
Which is updated more often, 2fauth or SPICE Viewer?
2fauth ships an update every 11 months, and SPICE Viewer every 2 months. Most recently, 2fauth was updated on September 15, 2026 and SPICE Viewer on September 10, 2026.

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