Comparison

1Blocker vs Random Alarms

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

Head to head
About

1Blocker

Enhance your browsing experience by blocking intrusive ads, trackers, and unwanted website elements. This app offers a fast, secure, and private way to enjoy websites without distractions, improving load times and protecting your online privacy.

Highlights
  • Block ads and trackers
  • Improve website load times
  • Secure and private browsing
  • Customizable blocking rules
  • Whitelist websites
  • Syncs across devices via iCloud
Features
Read full description

1Blocker lets you block obtrusive ads, sneaky trackers, and annoying elements on sites. With 1Blocker, you’re safe online and nothing will distract you from enjoying sites. 1Blocker is very easy to use — just flip a couple of switches to start blocking ads and trackers. The app will automatically receive cloud updates to the built-in filters silently, so you don’t need to do anything. It’s as simple as setting and forgetting. 1Blocker is a fully native app designed to extend Safari naturally. It’s lightweight and doesn’t drain your battery by taking up your device’s resources. The blocking itself is super fast because Safari does it itself. We only provide filters to Safari and don’t modify webpages in any way. This vastly improves efficiency because Safari knows in advance what should be blocked. So, with 1Blocker, sites load on average 2-5x faster. It’s important to note that not all ads can be blocked though. Some sites use techniques that make it impossible for us to block their ads using currently available features for Safari content blockers. SECURE BY DESIGN 1Blocker is secure and private. It doesn’t have access to webpages and doesn’t track you in any way. We believe that privacy is not for sale. That's why we don't have an "Acceptable Ads" program. We stay independent, and the only way we make money is through direct sales of 1Blocker in the App Store to you. ADVANCED CUSTOMIZATION 1Blocker is a highly customizable content blocker, providing the possibility to create powerful custom rules. It allows you to create custom rules that block any URL by providing a regular expression or hide any element by CSS. It also lets you block cookies. (Available in Premium) AVAILABLE ON ALL DEVICES 1Blocker is available for iPhone, iPad, and Mac. Your preferences and custom rules are always in sync through iCloud no matter which device you're using. FEATURED IN THE PRESS 1Blocker has been featured in TechCrunch, Lifehacker, MacStories, Macworld, and many more. FEATURES AVAILABLE FOR FREE • The ability to enable one category (for example, Block Ads only) • Whitelisting sites right from the Safari extension • Whitelist synchronization between devices via iCloud FRIENDLY SUPPORT Send your feedback at @1BlockerApp on Twitter or via email. Your feedback is always very welcome and considered for the next release. We have been making 1Blocker since 2015. We believe it’s the best all-around package currently available in the App Store. Privacy Policy: https://1blocker.com/privacy Terms of Use: https://1blocker.com/terms

About

Random Alarms

Receive occasional reminders without being tied to a specific time. This utility app provides flexible notifications for when you need them, offering a less rigid approach to staying on track.

Highlights
  • Time-independent reminders
  • Occasional notification prompts
  • Flexible scheduling
  • User-controlled notifications
Features
Read full description

Maybe you want some occasional reminders... but without being restricted by fixed times?

Screenshots

1Blocker4 screens
Random Alarms4 screens

Verdict

The call

The clearest difference is review sentiment: Random Alarms at 100% against 1Blocker's 64%. Random Alarms also leads on rating (5.0 vs 4.5). 1Blocker's advantage is ratings volume (13K vs 1) and update cadence (every 2 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model 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. 1Blocker sells 9 in-app purchases, starting at $2.99 per month and Random Alarms sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Random Alarms holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: 1Blocker has 13K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 64% of 1Blocker's written reviews are positive against 100% of Random Alarms's.

UpkeepUpdate frequency

1Blocker ships an update every 2 weeks, Random Alarms every 6 weeks. The most recent releases landed on October 28, 2026 and October 22, 2026 respectively.

Scorecard5 real differences · 5 level
1Blocker versus Random Alarms: the parameters behind the verdict, then further details
Parameter1BlockerRandom Alarms
PriceFreeFree
Rating4.5 (13K ratings)5.0 (1 ratings) — better
Positive reviews64.0% of reviews100.0% of reviews — better
Number of ratings13K — better1
Update frequencyEvery 2 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone, iPad
Requires iOS16.0 — better17.2
Further details — not scored
Size104 MB212 MB
Age rating4+12+
Developer1Blocker LLCWuhan Jingyao Technology Co., Ltd.

Customer experience

1Blocker

All ratings12,923 ratings
Positive87.1%
Neutral3.3%
Negative9.6%
Written reviews1,739 reviews
Positive64.0%
Neutral6.7%
Negative29.3%

Random Alarms

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

1Blocker

Reported bugs

3 issues
  • Firewall feature not working with cellular connection
  • Whitelist settings not syncing properly across devices
  • Crashes or performance issues after recent updates

Requested features

3 requests
  • Ability to selectively enable/disable blocking for specific websites or features
  • Improved user interface and easier navigation
  • Support for blocking ads in more apps beyond just Safari

Random Alarms

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

1Blocker

Subscriptions6
  • Legacy Users$2.991 Month
  • Promo Offer (Sale Ended)$2.991 Month
  • 1Blocker Monthly$2.991 Month
Show 3 more
  • Promo Offer (Sale Ended)$14.991 Year
  • 1Blocker Yearly14 Days trial$14.991 Year
  • Legacy Users14 Days trial$14.991 Year
One-time3
  • 1Blocker Lifetime$39.99
  • Legacy Users$39.99
  • Promo Offer (Sale Ended)$39.99
1 purchases

Random Alarms

One-time1
  • Custom Audio Upload$0.99

Questions

Is 1Blocker free?
1Blocker is free to download, with in-app purchases available.
Is Random Alarms free?
Random Alarms is free to download, with in-app purchases available.
Which has better reviews, 1Blocker or Random Alarms?
Random Alarms is rated higher. 1Blocker averages 4.5 out of 5 from 13K ratings, while Random Alarms averages 5.0 from 1 ratings.
Do 1Blocker or Random Alarms have ads?
Neither 1Blocker nor Random Alarms shows ads.
Which is updated more often, 1Blocker or Random Alarms?
1Blocker ships an update every 2 weeks, and Random Alarms every 6 weeks. Most recently, 1Blocker was updated on October 28, 2026 and Random Alarms on October 22, 2026.

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