# zeroStudy vs Handy 990

The clearest difference is in-app purchases: zeroStudy at none against Handy 990's 4. zeroStudy also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Handy 990 sells 4 in-app purchases, starting at $24.99 per month. zeroStudy asks for nothing beyond the download.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | zeroStudy | Handy 990 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/handy-990/id6776127243/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Daily | Daily |
| Monetization | — | Free |
| Size | 41 MB | 414 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [JIA JIUN Ku](https://appshunter.io/developer/1884246557) | [Seaberry Studio](https://appshunter.io/developer/308519884) |

## What reviewers say

### zeroStudy

[App page](https://appshunter.io/ios/app/zerostudy/id6760388575)

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

**In-app purchases:** none


### Handy 990

[App page](https://appshunter.io/ios/app/handy-990/id6776127243)

Prepare for the TOEIC Listening and Reading test with focused practice sessions. This app offers part-based drills, timed mock tests, and detailed review of missed questions to help you improve your scores. Designed for convenient daily study, it fits into your routine while supporting comprehensive mock-test practice.

**Highlights:** TOEIC reading and listening practice, Part-based drills, Timed mock-test mode, Review missed questions, Score summaries and analytics, Multilingual explanations

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handy 990 Pro Monthly | $24.99 | per month |
| Handy 990 Pro 3-Month | $49.99 | per 3 months |
| Handy 990 Pro Annual | $119.99 | per year |
| Handy 990 Pro Lifetime | $229.00 | one-time |


## Frequently asked questions

### Is zeroStudy free?

zeroStudy is free to download, with no in-app purchases.

### Is Handy 990 free?

Handy 990 is free to download, with in-app purchases available.

### Do zeroStudy or Handy 990 have ads?

Neither zeroStudy nor Handy 990 shows ads.

### Which is updated more often, zeroStudy or Handy 990?

zeroStudy ships an update daily, and Handy 990 daily. Most recently, zeroStudy was updated on October 14, 2026 and Handy 990 on October 3, 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.*