# Opal vs Agile Estimator

The clearest difference is in-app purchases: Agile Estimator at none against Opal's 10. Agile Estimator also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). Opal's advantage is chart position (#51 vs unranked). On price and ads there is nothing between them.

Both are free to download. Opal sells 8 in-app purchases, starting at $4.99 per 7 days. Agile Estimator asks for nothing beyond the download.

## The numbers

| Metric | Opal | Agile Estimator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (91K ratings)](https://appshunter.io/ios/app/opal-screen-time-control/id1497465230/reviews)** | — |
| Number of ratings | **91K** | — |
| Positive reviews | 61.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Freemium | — |
| Best chart rank | **#51** | — |
| Size | 334 MB | 30 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Opal OS](https://appshunter.io/developer/1497465229) | [Carlos Alberto Petit Quintero](https://appshunter.io/developer/1483344528) |

## What reviewers say

### Opal

[App page](https://appshunter.io/ios/app/opal-screen-time-control/id1497465230)

**Currently charting:** #51 Top Grossing · Productivity, #95 Top Free · Productivity (US App Store)

This app helps you regain control of your screen time by blocking distracting apps and websites. It offers customizable limits, focus challenges, and rewards to improve productivity and well-being. Achieve better focus and accomplish your goals with this tool.

**Highlights:** Screen time control, App blocking, Customizable app limits, Focus challenges, Productivity reports, Mindful block screens, Rewards and leaderboards

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Weekly Plan | $9.99 | per 7 days |
| Opal Student Weekly | $9.99 | per 7 days |
| Monthly Plan | $19.99 | per month |
| Monthly Plan | $19.99 | per month |
| Opal Pro Subscription | $49.99 | per year |
| Yearly Plan | $99.99 | per year |
| Yearly Plan | $99.99 | per year |

**What reviewers like**

- 👍 Helps reduce screen time
- 🚀 Effective at blocking distracting apps
- 💡 Customizable blocking schedules
- 🎨 Aesthetically pleasing design
- 🔒 Difficult to bypass blocks

**What reviewers complain about**

- 💰 Expensive subscription
- 🐛 Buggy and unreliable at times
- 🔓 Easy to bypass blocks in some cases
- 🤯 Can be frustrating when blocks don't work as expected
- 🕰️ Longer wait times to take breaks

**Reported bugs**

- Blocks apps that are not selected
- Inconsistent behavior when ending focus sessions
- Crashes when trying to manage blocked apps
- VPN issues causing other connectivity problems

**Requested features**

- Allow more customization of blocked apps
- Integrate with more productivity tools
- Provide more granular time tracking and reporting
- Offer a one-time purchase option
- Improve stability and reduce bugs


### Agile Estimator

[App page](https://appshunter.io/ios/app/agile-estimator/id6745152932)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Opal free?

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

### Is Agile Estimator free?

Agile Estimator is free to download, with no in-app purchases.

### Do Opal or Agile Estimator have ads?

Neither Opal nor Agile Estimator shows ads.

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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.*