# Citizen Test Prep 2026 vs OB Sync

The clearest difference is in-app purchases: OB Sync at none against Citizen Test Prep 2026's 3. Citizen Test Prep 2026's advantage is iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Citizen Test Prep 2026 sells 3 in-app purchases, starting at $9.99 per month. OB Sync asks for nothing beyond the download.

## The numbers

| Metric | Citizen Test Prep 2026 | OB Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.6K ratings)](https://appshunter.io/ios/app/citizen-test-prep-2026/id1556996704/reviews)** | — |
| Number of ratings | **3.6K** | — |
| Positive reviews | 17.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 50 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MastrAPI](https://appshunter.io/developer/1618627725) | [MedNatura LLC](https://appshunter.io/developer/6812505247) |

## What reviewers say

### Citizen Test Prep 2026

[App page](https://appshunter.io/ios/app/citizen-test-prep-2026/id1556996704)

Prepare for your U.S. citizenship exam with a personalized study plan. This app offers practice questions, tracks your progress, and helps you master topics like American Government and History to boost your confidence for the oral interview.

**Highlights:** Personalized study plan, Practice with 1000+ questions, Track strengths and weaknesses, Detailed test statistics, Compare scores to community average, Choose from different exams

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Promo | $9.99 | per month |
| USA Citizen Test 2021 | $24.99 | per month |
| USCIS Civic Citizen Test 2021 | $49.99 | one-time |

**What reviewers like**

- 👍 Excellent
- 🎉 Enjoying being a us citizen!

**What reviewers complain about**

- 🐛 Lots of bugs
- 🔁 Repeats questions
- 🔁 Gives wrong answers
- 💰 To expensive
- 🗓️ Outdated information

**Reported bugs**

- App gets stuck and doesn't work
- Answers don't show up on the app
- App freezes after certain number of questions

**Requested features**

- Update questions and answers to be current
- Add study materials, not just practice tests


### OB Sync

[App page](https://appshunter.io/ios/app/ob-sync/id6812505245)

**In-app purchases:** none


## Frequently asked questions

### Is Citizen Test Prep 2026 free?

Citizen Test Prep 2026 is free to download, with in-app purchases available.

### Is OB Sync free?

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

### Do Citizen Test Prep 2026 or OB Sync have ads?

Neither Citizen Test Prep 2026 nor OB Sync shows ads.

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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.*