Word Annotation vs OTA upgrade
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Word Annotation
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Word Annotation is an online writing assessment system developed by NSDAI to test the writing skills of students in the Korean language. https://wa-data.nsdai.me/privacy
OTA upgrade
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This App is used to upgrade your firmware to fix bugs, and usually requires you to download and operate the App according to the requirements of customer service or brand owners.
Screenshots
Verdict
The clearest difference is device support: OTA upgrade at 2 against Word Annotation's —. On price, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Word Annotation | OTA upgrade |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 2 months |
| Ads | — | No |
| In-app purchases | No | No |
| Devices | — | iPhone, iPod — better |
| Requires iOS | 13.0 | 12.1 — better |
| Further details — not scored | ||
| Size | 47 MB | 39 MB |
| Age rating | 17+ | 17+ |
| Developer | NSdevil | HUIZHOU REDBOX ELECTRONICS CO,.LTD |
In-app purchases
Word Annotation
No in-app purchases
OTA upgrade
No in-app purchases
