Comparison

iago vs Study Planner

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

Head to head
About

iago

Embark on an adventure through Japan to learn conversational Japanese. This visual novel game uses real-world scenarios and dynamic conversations to teach grammar and phrases. Get pronunciation feedback and practice essential Japanese scripts.

Highlights
  • Visual novel stories with characters
  • Dynamic, personalized conversations
  • Curriculum design from various situations
  • Pronunciation feedback
  • Hiragana & Katakana practice
  • Contextual grammar learning
Read full description

Iago is the first immersive Japanese Language Visual Novel game! Join Iako-chan and her parrot Iago on an adventure through Japan, learning the conversational phrases & grammar through real-world situations & scenarios! Key Features: - Fully visual stories featuring Iako-chan, Iago, and the rest of the crew - Dynamic conversations catered to you speaking naturally - Design your own Japanese curriculum from a vast array of situations - Receive pronunciation feedback as you practice speaking out loud - Practice and drill Hiragana & Katakana - Build grammar skills implicitly by learning phrases in context - Study at your own pace with flexibility Why You'll Love It: - It's just as fun as a video game! - Unique speak-first approach gets you conversing quickly - Audio recorded by native Japanese speakers - Covers casual, day-to-day language not found in textbooks - More affordable than private tutoring Join Iako-chan and learn and start your personalized Japanese learning journey today! Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://getiago.com/privacy-policy

About

Study Planner

Features
Read full description

Deadly helps students stay on top of every deadline and actually get the studying done. Add your exams, assignments and projects, then let Deadly plan the study sessions for you. It spreads your work evenly across the days before the deadline, so nothing piles up the night before. WHAT YOU CAN DO • Track deadlines by subject, type and difficulty • See everything due today, this week and this month at a glance • Let the planner build your study schedule automatically • Time your sessions and watch your progress fill up • Get reminders before a session starts and before a deadline arrives • Keep an eye on your study streak and weekly consistency BUILT FOR FOCUS Deadly works completely offline. Your study data stays on your device — no account, no sign-up, no tracking. PREMIUM Deadly Premium unlocks unlimited deadlines and subjects, plus automatic session planning. A free version is available with up to 3 deadlines and 3 subjects. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://hendrikvdkaaden.github.io/studytracker/privacy.html

Screenshots

iago4 screens
Study Planner4 screens

Verdict

The call

The clearest difference is ads: iago at none against Study Planner's shown. On price, update cadence, 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. iago sells 12 in-app purchases, starting at $9.99 per month and Study Planner sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

iago ships an update every 2 weeks, Study Planner every 9 days. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

Scorecard1 real difference · 9 level
iago versus Study Planner: the parameters behind the verdict, then further details
ParameteriagoStudy Planner
PriceFreeFree
Rating4.8 (2K ratings) — better—
Positive reviews72.3% of reviews—
Number of ratings2K — better—
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size191 MB36 MB
Age rating12+4+
DeveloperIago EducationHendrik Willem van der Kaaden

Bugs and requests

iago

Reported bugs

4 issues
  • App crashes when trying to use the microphone
  • Error message about invalid attempt to destructure non-iterable
  • Music volume interferes with ability to hear the voice actor
  • Inability to delete account or turn off automatic subscription

Requested features

4 requests
  • Add option to review vocabulary and grammar learned in previous lessons
  • Provide slower audio playback option for better comprehension
  • Implement a way to delete or restart recordings during practice
  • Improve UI/UX to ensure all content is visible on the screen

Study Planner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

iago

Subscriptions12
  • 1 Month7 Days trial$9.991 Month
  • Monthly$11.991 Month
  • Monthly14 Days trial$11.991 Month
Show 9 more
  • Monthly7 Days trial$11.991 Month
  • 3 Months7 Days trial$23.903 Months
  • 3 Months$29.903 Months
  • 3 Months14 Days trial$29.903 Months
  • 3 Months7 Days trial$29.903 Months
  • 12 Months7 Days trial$75.901 Year
  • 12 Months$94.901 Year
  • 12 Months14 Days trial$94.901 Year
  • 12 Months7 Days trial$94.901 Year
2 purchases

Study Planner

Subscriptions2
  • Deadly Premium Monthly$2.991 Month
  • Deadly Premium Yearly$17.991 Year

Questions

Is iago free?
iago is free to download, with in-app purchases available.
Is Study Planner free?
Study Planner is free to download, with in-app purchases available.
Do iago or Study Planner have ads?
Study Planner shows ads; iago does not.
Which is updated more often, iago or Study Planner?
iago ships an update every 2 weeks, and Study Planner every 9 days. Most recently, iago was updated on October 25, 2026 and Study Planner on October 9, 2026.

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