Comparison

I Learned This Today vs DoLucid

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

Head to head
About

I Learned This Today

Features
Read full description

Feed your curiosity in five minutes a day. “I Learned This Today” is a simple little app packed with 1,500+ short, friendly articles that answer questions you never knew you had. Who invented sliced bread? What is the Voynich manuscript? How big was the giant sloth? How does a nuclear bomb work? Why can animals eat grass but we can't? Each article is written in clear, everyday English and takes about five minutes to read. Perfect for train rides, coffee breaks, or those moments when you’re bored of scrolling but don’t want to tackle a heavy book. What you can do in the app: • Spin through all the articles Use the “Choose article” button to scroll through every article by number and title. Land on something that looks interesting and dive straight in. • Start from the newest or wander backwards in time New articles are added to the website every day, and the app always opens on the latest one. From there you can jump around and explore older topics whenever you like. • Read comfortably Adjust the text size with simple A– / A+ buttons so the article is easy on your eyes, whether you’re reading in bed or on the go. • See the images from each post Many articles include a photo or illustration to go with the topic. These appear at the top of the article in the app, just like on the website. • Support the project (optional) If the app becomes part of your daily routine, you can send a small “virtual coffee” tip from inside the app. It’s completely optional and doesn’t unlock or hide any content. No accounts. No tracking. You don’t need to sign up or log in. The app doesn’t collect personal data, track your behaviour, or share anything with advertisers. It simply fetches the latest articles from the I Learned This Today website and shows them to you in a clean, readable layout. Whether you love science, history, language, technology, or just odd little facts about the world, “I Learned This Today” gives you a gentle nudge to learn something new – one short article at a time.

About

DoLucid

This app helps you achieve lucid dreams by calculating your REM sleep cycles and scheduling alarms at optimal times. It offers various modes, reality check reminders, and a dream journal to track your progress.

Highlights
  • REM Alarm scheduling
  • Dream Entry Mode with audio cues
  • Automated Wake Back To Bed (WBTB) mode
  • Hourly reality check reminders
  • Dream logging and streak tracking
  • Knowledge library of lucid dreaming techniques
Features
Read full description

DoLucid is the simplest way to start lucid dreaming. Set your bedtime. The app calculates your REM windows and schedules an alarm at the perfect moment — so you can wake up inside your dreams. FEATURES - REM Alarm: Alarm fires exactly at your REM window, even when your phone is locked or the app is closed. - Dream Entry Mode: Soft audio plays at your REM window without waking you. Let it guide you in. - WBTB Mode: Wake Back To Bed. The most powerful lucid dreaming technique, automated. - Reality Checks: Hourly reminders throughout the day to question reality. The habit that unlocks lucid dreaming. - Dream Journal: Log your dreams, track lucid nights, build your streak. - Knowledge Library: Learn MILD, WILD, DILD and other science-backed techniques. HOW IT WORKS 1. Enter your bedtime 2. Pick your REM window 3. Choose a mode and sound 4. Sleep. The alarm handles the rest. Most people have their first lucid dream within the first week. Download DoLucid and wake up inside your dreams tonight.

Screenshots

I Learned This Today2 screens
DoLucid4 screens

Verdict

The call

The clearest difference is update cadence: I Learned This Today at weekly against DoLucid's every 2 months. I Learned This Today also leads on iOS requirement (15.1 vs 26.0). 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. I Learned This Today sells 4 one-off in-app purchases and DoLucid sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

I Learned This Today ships an update weekly, DoLucid every 2 months. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.

Scorecard2 real differences · 8 level
I Learned This Today versus DoLucid: the parameters behind the verdict, then further details
ParameterI Learned This TodayDoLucid
PriceFreeFree
Rating—3.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.1 — better26.0
Further details — not scored
Size36 MB45 MB
Age rating4+4+
DeveloperSteven AskewSabri BASOGLU

In-app purchases

4 purchases

I Learned This Today

One-time4
  • Black coffee$0.99
  • Large coffee$2.99
  • Cafe latte$4.99
Show 1 more
  • Frappuccino$7.99
4 purchases

DoLucid

One-time4
  • Cosmic Sound$0.99
  • AI Voice$0.99
  • Matrix Sound$0.99
Show 1 more
  • Lucid Pro$9.99

Questions

Is I Learned This Today free?
I Learned This Today is free to download, with in-app purchases available.
Is DoLucid free?
DoLucid is free to download, with in-app purchases available.
Do I Learned This Today or DoLucid have ads?
Neither I Learned This Today nor DoLucid shows ads.
Which is updated more often, I Learned This Today or DoLucid?
I Learned This Today ships an update weekly, and DoLucid every 2 months. Most recently, I Learned This Today was updated on October 3, 2026 and DoLucid on October 19, 2026.

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