# On Top To vs Kase₄

On Top To and Kase₄ both sit at 5.0 stars, but that hides the real split: 93% of On Top To's written reviews are positive against 0% of Kase₄'s. On Top To also leads on price ($1.99 vs $9.99) and in-app purchases (none vs 4). On rating, update cadence, ads and monetization model there is nothing between them.

On Top To costs $1.99 and Kase₄ $9.99 up front. Kase₄ sells 4 one-off in-app purchases. On Top To asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for On Top To against 5.0 for Kase₄. That said, the two scores are not equally well evidenced: On Top To has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 93% of On Top To's written reviews are positive against 0% of Kase₄'s.

On Top To ships an update every 3 months, Kase₄ every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | On Top To | Kase₄ |
| --- | --- | --- |
| Price | **$1.99** | $9.99 |
| Rating | [5.0 (10 ratings)](https://appshunter.io/ios/app/on-top-to-do/id1629536205/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/kase-your-personal-database/id1644975888/reviews) |
| Number of ratings | **10** | 2 |
| Positive reviews | **92.9% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 22 MB | 17 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Unsquander LLC](https://appshunter.io/developer/1626147066) | [Kenneth Wong](https://appshunter.io/developer/1275992151) |

## What reviewers say

### On Top To

[App page](https://appshunter.io/ios/app/on-top-to-do/id1629536205)

This app helps you become a "list person" with a minimalist design and intuitive swipe interface for organizing and prioritizing tasks. It's designed for those who struggle with organization and procrastination, consolidating all your to-dos into a single list.

**Highlights:** Minimalist design, Intuitive swipe prioritization, Single master to-do list, Customizable task highlighting, Organize life and work

**Features:** macOS Compatibility

**In-app purchases:** none


### Kase₄

[App page](https://appshunter.io/ios/app/kase-your-personal-database/id1644975888)

This app allows you to create and manage your own personal databases on your device. It offers flexibility in designing structures to track anything important, with features like inter-linked data, full-text search, and various field types. Your data remains private and accessible offline.

**Highlights:** Design custom databases, Inter-linked data, Full-text search with NLP, Multiple field types, Markdown support, Passcode and biometric lock, Data visualization (Formatters), OCR for text recognition

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip: Dollar | $1.00 | one-time |
| Tip: Coffee | $2.00 | one-time |
| Tip: Coffee, CA | $4.00 | one-time |
| Tip: Caffè Mocha | $5.00 | one-time |


## Frequently asked questions

### Is On Top To free?

On Top To costs $1.99, with no in-app purchases.

### Is Kase₄ free?

Kase₄ costs $9.99, and also offers in-app purchases.

### Which has better reviews, On Top To or Kase₄?

On Top To and Kase₄ are both rated 5.0 out of 5 on the App Store, from 10 and 2 ratings respectively.

### Do On Top To or Kase₄ have ads?

Neither On Top To nor Kase₄ shows ads.

### Which is updated more often, On Top To or Kase₄?

On Top To ships an update every 3 months, and Kase₄ every 2 months. Most recently, On Top To was updated on October 24, 2026 and Kase₄ on October 24, 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.*