# Chronos Notes vs Machine Learning+

The clearest difference is review sentiment: Chronos Notes at 100% against Machine Learning+'s 0%. Chronos Notes also leads on in-app purchases (none vs 6) and rating (4.0 vs 3.7). Machine Learning+'s advantage is price (Free vs $0.99) and update cadence (every 3 weeks vs every 9 months). On ads and device support there is nothing between them.

Machine Learning+ is free to download; Chronos Notes costs $0.99 up front. Machine Learning+ sells 6 in-app purchases, starting at $7.99 per 7 days. Chronos Notes asks for nothing beyond the download.

Chronos Notes holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 100% of Chronos Notes's written reviews are positive against 0% of Machine Learning+'s.

Chronos Notes ships an update every 9 months, Machine Learning+ every 3 weeks. The most recent releases landed on September 26, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Chronos Notes | Machine Learning+ |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/chronos-notes/id687105675/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/machine-learning-plus/id6752801750/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 6 MB | 21 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jan-Wouter Arendsen](https://appshunter.io/developer/432769119) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Chronos Notes

[App page](https://appshunter.io/ios/app/chronos-notes/id687105675)

Organize historical notes and events into a visual, chronological timeline. Create timelines for any historical period or event, navigate through them, and use tags for easy searching and filtering.

**Highlights:** Chronological timeline creation, Organize notes by date, Navigate via timeline or event list, Tagging for easy filtering, Search historical events

**Features:** macOS Compatibility

**In-app purchases:** none


### Machine Learning+

[App page](https://appshunter.io/ios/app/machine-learning-plus/id6752801750)

Master essential machine learning topics with engaging quizzes. This app covers a wide range of concepts, from algorithms and mathematical foundations to deployment and future trends, making learning enjoyable and effective for students and professionals.

**Highlights:** Engaging quizzes on ML topics, Covers algorithms and math foundations, Topics from introduction to advanced DL, ML engineering and deployment concepts, Future trends in machine learning, Suitable for students and professionals

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $7.99 | per 7 days |
| 1 Month | $19.99 | per month |
| 1 Year | $29.99 | per year |
| 1500 | $1.99 | one-time |
| 3500 | $2.99 | one-time |
| 9000 | $4.99 | one-time |


## Frequently asked questions

### Is Chronos Notes free?

Chronos Notes costs $0.99, with no in-app purchases.

### Is Machine Learning+ free?

Machine Learning+ is free to download, with in-app purchases available.

### Which has better reviews, Chronos Notes or Machine Learning+?

Chronos Notes is rated higher. Chronos Notes averages 4.0 out of 5 from 1 ratings, while Machine Learning+ averages 3.7 from 3 ratings.

### Do Chronos Notes or Machine Learning+ have ads?

Neither Chronos Notes nor Machine Learning+ shows ads.

### Which is updated more often, Chronos Notes or Machine Learning+?

Chronos Notes ships an update every 9 months, and Machine Learning+ every 3 weeks. Most recently, Chronos Notes was updated on September 26, 2026 and Machine Learning+ on October 4, 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.*