# NotesMate vs Day 0 Cybersecurity Institute

The clearest difference is in-app purchases: Day 0 Cybersecurity Institute at none against NotesMate's 6. NotesMate's advantage is update cadence (every 5 days vs every 3 weeks) and iOS requirement (9.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. NotesMate sells 6 one-off in-app purchases. Day 0 Cybersecurity Institute asks for nothing beyond the download.

NotesMate ships an update every 5 days, Day 0 Cybersecurity Institute every 3 weeks. The most recent releases landed on September 13, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | NotesMate | Day 0 Cybersecurity Institute |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/day-0-cybersecurity-institute/id6477722006/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 57 MB | 31 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SuntecIndia](https://appshunter.io/developer/451997571) | [Emily Sudduth](https://appshunter.io/developer/1721274803) |

## What reviewers say

### NotesMate

[App page](https://appshunter.io/ios/app/notesmate-createexploreearn/id1263085149)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Credit 30 | $0.99 | one-time |
| Credit 80 | $0.99 | one-time |
| Credit 160 | $1.99 | one-time |
| Credit 250 | $2.99 | one-time |
| Credit 500 | $5.99 | one-time |
| Credit 850 | $10.99 | one-time |


### Day 0 Cybersecurity Institute

[App page](https://appshunter.io/ios/app/day-0-cybersecurity-institute/id6477722006)

Access all your cybersecurity training videos in one convenient app. Receive timely updates and save your favorite content for quick retrieval. Enjoy seamless access without needing to remember passwords.

**Highlights:** Access all videos in one app, Push notifications for news and updates, Password-free video access, Save favorite posts, Easy-to-use interface

**In-app purchases:** none


## Frequently asked questions

### Is NotesMate free?

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

### Is Day 0 Cybersecurity Institute free?

Day 0 Cybersecurity Institute is free to download, with no in-app purchases.

### Do NotesMate or Day 0 Cybersecurity Institute have ads?

Neither NotesMate nor Day 0 Cybersecurity Institute shows ads.

### Which is updated more often, NotesMate or Day 0 Cybersecurity Institute?

NotesMate ships an update every 5 days, and Day 0 Cybersecurity Institute every 3 weeks. Most recently, NotesMate was updated on September 13, 2026 and Day 0 Cybersecurity Institute on June 5, 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.*