iago vs Doomersion
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Visual novel stories with characters
- Dynamic, personalized conversations
- Curriculum design from various situations
- Pronunciation feedback
- Hiragana & Katakana practice
- Contextual grammar learning
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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
Doomersion
Learn languages through immersive video content that adapts to your skill level. As you scroll through short clips, the difficulty gradually increases, mirroring natural language acquisition methods.
- Immersive video learning
- Adaptive difficulty
- Level-matched content
- Natural language acquisition
- Scroll-based progression
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Doomersion (formerly Doomlingo) lets you watch short videos in your target language that are exactly matched to your level, and then as you scroll they get a little harder so you learn! That way you can learn languages by immersion, which is how people actually learn!
Screenshots
Verdict
The clearest difference is rating: iago at 4.8 against Doomersion's 4.2. iago also leads on ratings volume (2K vs 86). Doomersion's advantage is in-app purchases (none vs 12). On price, review sentiment, update cadence and ads 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
Both are free to download. iago sells 12 in-app purchases, starting at $9.99 per month. Doomersion asks for nothing beyond the download.
iago holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: iago has 2K ratings behind it against 86, so its average is the more settled of the two. Written reviews point the same way: 72% of iago's written reviews are positive against 69% of Doomersion's.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.
| Parameter | iago | Doomersion |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (2K ratings) — better | 4.2 (86 ratings) |
| Positive reviews | 72.3% of reviews — better | 69.4% of reviews |
| Number of ratings | 2K — better | 86 |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 — better | 15.5 |
| Further details — not scored | ||
| Size | 191 MB | 89 MB |
| Age rating | 12+ | 12+ |
| Developer | Iago Education | Mostafa Tamer Afr |
Customer experience
iago
Doomersion
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
Doomersion
Not enough reviews yet to summarise bugs or requests.
In-app purchases
iago
- 1 Month7 Days trial$9.991 Month
- Monthly$11.991 Month
- Monthly14 Days trial$11.991 Month
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- 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
Doomersion
No in-app purchases
