# iDev Tango vs JSTQB ALTM テストマネジメント問題集・対策ノート

The clearest difference is in-app purchases: iDev Tango at none against JSTQB ALTM テストマネジメント問題集・対策ノート's 1. iDev Tango also leads on update cadence (every 2 days vs monthly). JSTQB ALTM テストマネジメント問題集・対策ノート's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. JSTQB ALTM テストマネジメント問題集・対策ノート sells 1 one-off in-app purchase. iDev Tango asks for nothing beyond the download.

iDev Tango ships an update every 2 days, JSTQB ALTM テストマネジメント問題集・対策ノート monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iDev Tango | JSTQB ALTM テストマネジメント問題集・対策ノート |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Monthly |
| Size | 5 MB | 30 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [shohei yukawa](https://appshunter.io/developer/1825580540) | [masayuki ayabe](https://appshunter.io/developer/1876077116) |

## What reviewers say

### iDev Tango

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

**Features:** macOS Compatibility

**In-app purchases:** none


### JSTQB ALTM テストマネジメント問題集・対策ノート

[App page](https://appshunter.io/ios/app/jstqb-altm/id6759185263)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $5.99 | one-time |


## Frequently asked questions

### Is iDev Tango free?

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

### Is JSTQB ALTM テストマネジメント問題集・対策ノート free?

JSTQB ALTM テストマネジメント問題集・対策ノート is free to download, with in-app purchases available.

### Do iDev Tango or JSTQB ALTM テストマネジメント問題集・対策ノート have ads?

iDev Tango shows ads; JSTQB ALTM テストマネジメント問題集・対策ノート does not.

### Which is updated more often, iDev Tango or JSTQB ALTM テストマネジメント問題集・対策ノート?

iDev Tango ships an update every 2 days, and JSTQB ALTM テストマネジメント問題集・対策ノート monthly. Most recently, iDev Tango was updated on October 25, 2026 and JSTQB ALTM テストマネジメント問題集・対策ノート on October 24, 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.*