# Prysm AI vs Rerun Timer

The clearest difference is in-app purchases: Prysm AI at none against Rerun Timer's 1. Prysm AI also leads on update cadence (every 2 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rerun Timer sells 1 one-off in-app purchase. Prysm AI asks for nothing beyond the download.

Prysm AI ships an update every 2 days, Rerun Timer fortnightly. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Prysm AI | Rerun Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/rerun-timer/id6755941416/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 3 MB |
| Requires iOS | **26.0** | 26.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Bierman](https://appshunter.io/developer/1742901425) | [Outsource Wisely LLC](https://appshunter.io/developer/1807911431) |

## What reviewers say

### Prysm AI

[App page](https://appshunter.io/ios/app/prysm-ai/id6754121721)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rerun Timer

[App page](https://appshunter.io/ios/app/rerun-timer/id6755941416)

This app helps you manage timed intervals for various activities like fitness, work, or practice. It features customizable loops, background operation, and live updates on your lock screen. Get smart alerts and a focused interface to stay on track.

**Highlights:** Customizable interval loops, Live Activities on Lock Screen/Dynamic Island, Background audio and alerts, Smart sound and vibration feedback, 3-second countdown, Dark mode interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rerun Timer Pro | $3.99 | one-time |


## Frequently asked questions

### Is Prysm AI free?

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

### Is Rerun Timer free?

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

### Do Prysm AI or Rerun Timer have ads?

Neither Prysm AI nor Rerun Timer shows ads.

### Which is updated more often, Prysm AI or Rerun Timer?

Prysm AI ships an update every 2 days, and Rerun Timer fortnightly. Most recently, Prysm AI was updated on November 5, 2026 and Rerun Timer on November 9, 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.*