# Hold It vs Nuclide Chart

The clearest difference is price: Nuclide Chart at Free against Hold It's $9.99. Nuclide Chart also leads on update cadence (daily vs every 2 weeks). Hold It's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Nuclide Chart is free to download; Hold It costs $9.99 up front. Nuclide Chart sells 1 one-off in-app purchase. Hold It asks for nothing beyond the download.

Hold It ships an update every 2 weeks, Nuclide Chart daily. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Hold It | Nuclide Chart |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Paid | — |
| Size | 3 MB | 15 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kaisei watanabe](https://appshunter.io/developer/1543587757) | [Peer Jansen](https://appshunter.io/developer/1859289195) |

## What reviewers say

### Hold It

[App page](https://appshunter.io/ios/app/hold-it-simple-app-blocker/id6745756356)

This app helps you stay focused by limiting access to distracting applications during study or deep work sessions. Set daily time limits or launch counts for chosen apps with a simple, private, and effective system. Pay once and use it forever, with no recurring fees or hidden costs.

**Highlights:** Limit app usage by time or launches, One-time purchase, no subscriptions, Simple setup in under a minute, Works fully offline, Private, no data uploaded or shared, Designed for students and deep work

**In-app purchases:** none


### Nuclide Chart

[App page](https://appshunter.io/ios/app/nuclide-chart/id6756217497)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nuclide Chart Pro | $2.99 | one-time |


## Frequently asked questions

### Is Hold It free?

Hold It costs $9.99, with no in-app purchases.

### Is Nuclide Chart free?

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

### Do Hold It or Nuclide Chart have ads?

Neither Hold It nor Nuclide Chart shows ads.

### Which is updated more often, Hold It or Nuclide Chart?

Hold It ships an update every 2 weeks, and Nuclide Chart daily. Most recently, Hold It was updated on October 9, 2026 and Nuclide Chart on October 17, 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.*