# DOT OIMD Mobile vs Check Answer

The clearest difference is in-app purchases: DOT OIMD Mobile at none against Check Answer's 4. DOT OIMD Mobile also leads on iOS requirement (11.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Check Answer sells 4 in-app purchases, starting at $0.99 per month. DOT OIMD Mobile asks for nothing beyond the download.

## The numbers

| Metric | DOT OIMD Mobile | Check Answer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 109 MB | 3 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [moodLearning, Inc.](https://appshunter.io/developer/1437864370) | [Jatuphol Jaturapat](https://appshunter.io/developer/1788860463) |

## What reviewers say

### DOT OIMD Mobile

[App page](https://appshunter.io/ios/app/dot-oimd-mobile/id1608103817)

**Features:** macOS Compatibility

**In-app purchases:** none


### Check Answer

[App page](https://appshunter.io/ios/app/check-answer/id6756690225)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited use (1 Month) | $0.99 | per month |
| Unlimited Use (3 Months) | $2.99 | per 3 months |
| Unlimited Use (1 Year) | $4.99 | per year |
| Lifetime Access | $12.99 | one-time |


## Frequently asked questions

### Is DOT OIMD Mobile free?

DOT OIMD Mobile is free to download, with no in-app purchases.

### Is Check Answer free?

Check Answer is free to download, with in-app purchases available.

### Do DOT OIMD Mobile or Check Answer have ads?

Neither DOT OIMD Mobile nor Check Answer 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.*