# Do!t. vs Quality Inspector Exam Prep

The clearest difference is update cadence: Do!t. at every 2 weeks against Quality Inspector Exam Prep's every 4 months. Quality Inspector Exam Prep's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Do!t. sells 2 in-app purchases, starting at $2.99 per year and Quality Inspector Exam Prep sells 9 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Do!t. ships an update every 2 weeks, Quality Inspector Exam Prep every 4 months. The most recent releases landed on July 28, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Do!t. | Quality Inspector Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/dot/id1572229443/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 50 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mojtaba Rezaei](https://appshunter.io/developer/1572229089) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## What reviewers say

### Do!t.

[App page](https://appshunter.io/ios/app/dot/id1572229443)

Create and personalize flashcards, design tests, and add multimedia elements for an engaging study experience. Offers multiple study modes and handy noted stickers to aid memorization and teaching.

**Highlights:** Create and share flashcards, Design and share custom tests, Add voice and pictures to content, Multiple study and quiz modes, Handy noted stickers, Quick content search

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $2.99 | per year |
| Yearly Subscription | $2.99 | one-time |


### Quality Inspector Exam Prep

[App page](https://appshunter.io/ios/app/quality-inspector-exam-prep/id6742052227)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CQI Weekly Full Access | $8.99 | per 7 days |
| CQI Monthly Full Access | $24.99 | per month |
| CQI Monthly Full Access | $34.99 | per month |
| CQI Quarterly Full Access | $55.99 | per 3 months |
| CQI Quarterly Full Access | $59.99 | per 3 months |
| CQI Semiannual Full Access | $75.99 | per 6 months |
| CQI Semiannual Full Access | $79.99 | per 6 months |
| CQI Annual Full Access | $109.99 | per year |
| CQI Annual Full Access | $119.99 | per year |


## Frequently asked questions

### Is Do!t. free?

Do!t. is free to download, with in-app purchases available.

### Is Quality Inspector Exam Prep free?

Quality Inspector Exam Prep is free to download, with in-app purchases available.

### Do Do!t. or Quality Inspector Exam Prep have ads?

Neither Do!t. nor Quality Inspector Exam Prep shows ads.

### Which is updated more often, Do!t. or Quality Inspector Exam Prep?

Do!t. ships an update every 2 weeks, and Quality Inspector Exam Prep every 4 months. Most recently, Do!t. was updated on July 28, 2026 and Quality Inspector Exam Prep on June 4, 2026.

---

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