Comparison

DuoCast vs AuthenticatorPlus

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

Head to head
About

DuoCast

This app transforms global podcasts into a bilingual reading experience. Follow along with synchronized transcripts, access on-screen translations, and look up words instantly. Download episodes for offline learning and enjoy features like playback speed control.

Highlights
  • Bilingual podcast listening
  • Timed synchronized transcripts
  • On-screen translations
  • Tap-to-lookup words
  • Offline episode downloads
  • Adjustable playback speed
Features
Read full description

Read the world’s podcasts in your own language. DuoCast turns global podcasts into a bilingual book you can read, hear translated, and learn from. Follow along with timed transcripts, on-screen translations, tap-to-look-up words, and optional bilingual sync readout. Features • Discover and subscribe by interest—tech, business, news, learning, and more • Timed transcripts that stay in sync as you play • On-screen translations for easier comprehension • Bilingual sync readout (simultaneous interpretation–style playback) • Tap words to look them up while you listen • Subscribe, resume, and follow new episodes • Download episodes for offline listening • Playback speed, mini player, and Lock Screen controls • Interface in English, 简体中文, 日本語, 한국어, and more Whether you’re commuting or studying, DuoCast makes real podcasts readable, translatable, and learnable—in your language.

About

AuthenticatorPlus

This app generates dynamic verification codes and securely manages passwords. It offers encrypted storage for your credentials and supports various authentication standards for enhanced online security.

Highlights
  • Dynamic verification code generation (TOTP/HOTP)
  • Password management with strong password generator
  • AES-256-GCM encryption for data vault
  • Biometric and device passcode unlock
  • Automatic sensitive content hiding
  • Encrypted backup and restore
  • Optional iCloud synchronization
Features
Read full description

AuthenticatorPlus 是一款双重认证验证器与密码管理工具。动态验证码在设备本地生成,验证码账户与密码条目保存在加密 Vault 中,帮助你更安全、便捷地登录常用网站和服务。 【动态验证码】 • 支持 TOTP 与 HOTP 标准 • 支持 SHA-1、SHA-256 与 SHA-512 • 支持 6 位、7 位与 8 位验证码 • 可用于支持标准双重认证的网站和服务 【快速添加与迁移】 • 使用相机扫描二维码 • 从照片中识别一个或多个二维码 • 支持 Google Authenticator 迁移二维码 • 支持手动输入密钥及编辑账户参数 【密码管家】 • 保存网站、用户名、密码与备注 • 内置强密码生成器与密码强度提示 • 可设置敏感剪贴板自动清除时间 【隐私与安全】 • Vault 使用 AES-256-GCM 在设备端加密 • 加密密钥保存在 iOS Keychain • 支持 Face ID 或设备密码解锁 • App 进入后台时可自动隐藏敏感内容 • 支持使用独立密码保护的加密备份与恢复 • 可选 iCloud 同步:内容先在设备端加密,再写入你的私人 CloudKit 数据库 隐私政策:https://zhouzhongfa.github.io/AuthenticatorPlus/privacy.html 服务条款:https://zhouzhongfa.github.io/AuthenticatorPlus/terms.html Apple 标准 EULA:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

DuoCast3 screens
AuthenticatorPlus4 screens

Verdict

The call

The clearest difference is monetization model: DuoCast at free against AuthenticatorPlus's free with in-app purchases. DuoCast also leads on update cadence (every 4 days vs every 3 weeks). AuthenticatorPlus's advantage is iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DuoCast ships an update every 4 days, AuthenticatorPlus every 3 weeks. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

Scorecard3 real differences · 7 level
DuoCast versus AuthenticatorPlus: the parameters behind the verdict, then further details
ParameterDuoCastAuthenticatorPlus
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews—100.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 4 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.0 — better
Further details — not scored
Size6 MB4 MB
Age rating12+4+
Developer江武 李忠法 周

In-app purchases

None

DuoCast

No in-app purchases

None

AuthenticatorPlus

No in-app purchases

Questions

Is DuoCast free?
DuoCast is free to download, with no in-app purchases.
Is AuthenticatorPlus free?
AuthenticatorPlus is free to download, with no in-app purchases.
Do DuoCast or AuthenticatorPlus have ads?
Neither DuoCast nor AuthenticatorPlus shows ads.
Which is updated more often, DuoCast or AuthenticatorPlus?
DuoCast ships an update every 4 days, and AuthenticatorPlus every 3 weeks. Most recently, DuoCast was updated on October 21, 2026 and AuthenticatorPlus on October 19, 2026.

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