# テス友【JSTQB, JCSQE, IVEC】完全攻略 vs iDev Tango

The clearest difference is ads: テス友【JSTQB, JCSQE, IVEC】完全攻略 at none against iDev Tango's shown. テス友【JSTQB, JCSQE, IVEC】完全攻略 also leads on iOS requirement (12.0 vs 17.6). iDev Tango's advantage is update cadence (every 2 days vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

テス友【JSTQB, JCSQE, IVEC】完全攻略 ships an update every 2 months, iDev Tango every 2 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | テス友【JSTQB, JCSQE, IVEC】完全攻略 | iDev Tango |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jstqb-jcsqe-ivec/id867403516/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 69 MB | 5 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VALTES CO.,LTD.](https://appshunter.io/developer/867381226) | [shohei yukawa](https://appshunter.io/developer/1825580540) |

## What reviewers say

### テス友【JSTQB, JCSQE, IVEC】完全攻略

[App page](https://appshunter.io/ios/app/jstqb-jcsqe-ivec/id867403516)

This app provides comprehensive study materials and practice tests for software testing certifications like JSTQB, JCSQE, and IVEC. It includes detailed explanations, syllabus references, glossaries, and progress tracking to help users prepare effectively for their exams.

**Highlights:** Practice tests for JSTQB, JCSQE, IVEC certifications, Detailed explanations for all questions, Syllabus and glossary references, Selectable question counts (10, 20, 30, 40), Progress tracking with graphs, Study modes: random, incorrect, chapter-based

**Features:** macOS Compatibility

**In-app purchases:** none


### iDev Tango

[App page](https://appshunter.io/ios/app/idev-tango/id6757414016)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is テス友【JSTQB, JCSQE, IVEC】完全攻略 free?

テス友【JSTQB, JCSQE, IVEC】完全攻略 is free to download, with no in-app purchases.

### Is iDev Tango free?

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

### Do テス友【JSTQB, JCSQE, IVEC】完全攻略 or iDev Tango have ads?

iDev Tango shows ads; テス友【JSTQB, JCSQE, IVEC】完全攻略 does not.

### Which is updated more often, テス友【JSTQB, JCSQE, IVEC】完全攻略 or iDev Tango?

テス友【JSTQB, JCSQE, IVEC】完全攻略 ships an update every 2 months, and iDev Tango every 2 days. Most recently, テス友【JSTQB, JCSQE, IVEC】完全攻略 was updated on October 29, 2026 and iDev Tango on October 25, 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.*