Comparison

Spam Killer vs Authenticator

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

Head to head
About

Spam Killer

Automatically filters unwanted SMS messages, blocks suspicious numbers, and detects scam texts using AI. Customize filters and whitelist important senders for a clean inbox.

Highlights
  • Blocks 99% of spam texts
  • Detects scams and phishing links
  • Customizable filters
  • AI-based spam detection
  • Whitelists important senders
  • Simple setup
Features
Read full description

Tired of annoying spam messages or scam texts? Spam Killer is your all-in-one SMS protection app that automatically filters out unwanted messages, blocks suspicious numbers, and keeps your inbox safe and clean — all powered by smart AI. Key Features: • Block 99% of spam texts • Detect scams, fraud, and phishing links • Customize filters with keywords or numbers • AI-based spam detection that learns and adapts • Whitelist important senders to never miss key messages • Simple setup — full protection in under a minute • Get alerts when new filters or updates are available Whether it’s promotions, phishing attempts, or robocalls via SMS — Spam Killer helps you stay one step ahead. Download now and start your free trial to experience full protection today! TERMS https://spam-blocker-sal3q.ondigitalocean.app/terms PRIVACY https://spam-blocker-sal3q.ondigitalocean.app/privacy

About

Authenticator

Securely manage your two-factor authentication tokens and passwords in one place. This app offers offline code generation and a private in-app browser. Free users can manage existing codes and passwords, while premium subscribers gain unlimited creation and secure browsing.

Highlights
  • Organize 2FA tokens and passwords
  • Offline code generation
  • Built-in secure browser
  • Manage existing codes and passwords (free)
  • Unlimited code/password creation (premium)
  • Face ID access
Read full description

Auth Master – Secure 2FA & Password Management Effortlessly organize and protect your two‑factor authentication tokens and passwords all in one place. Auth Master keeps your sensitive data safe on your iPhone — no network needed for codes, plus a built‑in secure browser for private browsing on the go. Free Features: – View, edit, rename, and delete your existing 2FA codes – View, edit, rename, and delete your stored passwords – Access full Settings suite: 1. Rate the app 2. Share Auth Master with friends 3. Contact us via email 4. View Privacy Policy & Terms of Use 5. Restore purchases 6. Set or change your app passcode 7. Enable Face ID for instant access Premium Features (subscription required): – Add and create unlimited 2FA codes (via QR‑scan or manual Secret Key entry) – Save and generate unlimited passwords – Browse securely with our in‑app encrypted browser (no history saved) Subscription Plans: – Weekly: $4.99 – Monthly: $17.99 – Annual: $49.99 Adding and creating 2FA codes, adding passwords, and secure browsing require an active subscription. Viewing, editing, and deleting existing codes and passwords and all Settings features are always free. Payment is charged to your iTunes account at confirmation. Subscriptions auto‑renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your iTunes Account Settings. Privacy Policy: https://telegra.ph/Privacy-Policy-for-2FA-Authenticator-07-22 Terms of Use: https://telegra.ph/2FA-Authenticator-Terms-of-Use-07-22

Screenshots

Spam Killer4 screens
Authenticator4 screens

Verdict

The call

The clearest difference is ads: Spam Killer at none against Authenticator's shown. Spam Killer also leads on update cadence (every 2 days vs weekly). Authenticator's advantage is iOS requirement (14.0 vs 16.6). On price, rating, ratings volume and in-app purchases 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. Spam Killer sells 5 in-app purchases, starting at $3.99 per 7 days and Authenticator sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for Spam Killer against 4.5 for Authenticator. Both are backed by a comparable volume of ratings — 16 and 26 respectively.

UpkeepUpdate frequency

Spam Killer ships an update every 2 days, Authenticator weekly. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
Spam Killer versus Authenticator: the parameters behind the verdict, then further details
ParameterSpam KillerAuthenticator
PriceFreeFree
Rating4.4 (16 ratings)4.5 (26 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings1626 — better
Update frequencyEvery 2 days — betterWeekly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPod — better
Requires iOS16.614.0 — better
Further details — not scored
Size19 MB73 MB
Age rating4+4+
DeveloperJalm Studio IncTimon Scherzinger

Customer experience

Spam Killer

All ratings12 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Authenticator

All ratings25 ratings
Positive88.0%
Neutral0.0%
Negative12.0%

In-app purchases

5 purchases

Spam Killer

Subscriptions5
  • 1 week$3.997 Days
  • One Week Premium Protection3 Days trial$5.997 Days
  • 3 months3 Days trial$14.993 Months
Show 2 more
  • Three Months Premium$19.993 Months
  • Year of SpamKiller Pro$39.991 Year
3 purchases

Authenticator

Subscriptions3
  • Weekly3 Days trial$4.997 Days
  • Monthly$17.991 Month
  • Yearly$49.991 Year

Questions

Is Spam Killer free?
Spam Killer is free to download, with in-app purchases available.
Is Authenticator free?
Authenticator is free to download, with in-app purchases available.
Which has better reviews, Spam Killer or Authenticator?
Authenticator is rated higher. Spam Killer averages 4.4 out of 5 from 16 ratings, while Authenticator averages 4.5 from 26 ratings.
Do Spam Killer or Authenticator have ads?
Authenticator shows ads; Spam Killer does not.
Which is updated more often, Spam Killer or Authenticator?
Spam Killer ships an update every 2 days, and Authenticator weekly. Most recently, Spam Killer was updated on October 24, 2026 and Authenticator on October 24, 2026.

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