# iago vs Study Planner

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.

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.

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.

## The numbers

| Metric | iago | Study Planner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2K ratings)](https://appshunter.io/ios/app/iago-learn-japanese/id6471793412/reviews)** | — |
| Number of ratings | **2K** | — |
| Positive reviews | 72.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 191 MB | 36 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Iago Education](https://appshunter.io/developer/1715968359) | [Hendrik Willem van der Kaaden](https://appshunter.io/developer/6788497735) |

## What reviewers say

### iago

[App page](https://appshunter.io/ios/app/iago-learn-japanese/id6471793412)

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| Monthly | $11.99 | per month |
| Monthly | $11.99 | per month |
| Monthly | $11.99 | per month |
| 3 Months | $23.90 | per 3 months |
| 3 Months | $29.90 | per 3 months |
| 3 Months | $29.90 | per 3 months |
| 3 Months | $29.90 | per 3 months |
| 12 Months | $75.90 | per year |
| 12 Months | $94.90 | per year |
| 12 Months | $94.90 | per year |
| 12 Months | $94.90 | per year |

**What reviewers like**

- 👍 Fun and engaging way to learn Japanese
- 🚀 Helpful for practicing speaking and pronunciation
- 💡 Realistic conversational scenarios
- 👍 Useful for preparing for trips to Japan
- 👍 Effective for current Japanese language students

**What reviewers complain about**

- 🐛 Audio and visual bugs (e.g., audio cutting out, text getting cut off)
- 🐛 Speech recognition issues (not picking up user's speech correctly)
- 🐛 Unclear if the app will eventually require a paid subscription
- 👎 Moves too quickly for complete beginners, lacks basic lessons
- 👎 Too much English used, not enough immersion in Japanese

**Reported bugs**

- 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**

- 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

[App page](https://appshunter.io/ios/app/study-planner-deadly/id6788497733)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deadly Premium Monthly | $2.99 | per month |
| Deadly Premium Yearly | $17.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*