# ActivityLog vs Prism

The clearest difference is in-app purchases: ActivityLog at none against Prism's 2. ActivityLog also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.0). Prism's advantage is update cadence (fortnightly vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Prism sells 2 in-app purchases, starting at $4.99 per year. ActivityLog asks for nothing beyond the download.

ActivityLog ships an update every 2 months, Prism fortnightly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ActivityLog | Prism |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (9 ratings)](https://appshunter.io/ios/app/prism-focus-and-screen-time/id6740268334/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 51 MB | 484 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fission Software Development](https://appshunter.io/developer/1590763975) | [DEVSONICS (SMC-PRIVATE) LIMITED](https://appshunter.io/developer/1788182508) |

## What reviewers say

### ActivityLog

[App page](https://appshunter.io/ios/app/activitylog/id1590763973)

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

**In-app purchases:** none


### Prism

[App page](https://appshunter.io/ios/app/prism-focus-and-screen-time/id6740268334)

This app helps you build healthier phone habits by setting personalized screen time limits, blocking distractions, and tracking your usage. It offers customizable focus sessions and routines to boost productivity and encourage mindful digital wellness.

**Highlights:** Personalized screen time limits, Deep Focus sessions to block interruptions, Screen time and usage tracking, Customizable work/study routines, Block Lists and Allow Lists, Quick start and chained sessions, Scheduled healthy breaks

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $4.99 | per year |
| LifeTime Access | $19.99 | one-time |


## Frequently asked questions

### Is ActivityLog free?

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

### Is Prism free?

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

### Do ActivityLog or Prism have ads?

Neither ActivityLog nor Prism shows ads.

### Which is updated more often, ActivityLog or Prism?

ActivityLog ships an update every 2 months, and Prism fortnightly. Most recently, ActivityLog was updated on October 27, 2026 and Prism 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.*