# Simple Interceptor vs Calioo

The clearest difference is price: Calioo at Free against Simple Interceptor's $0.99. Calioo also leads on update cadence (every 6 days vs every 2 weeks) and iOS requirement (15.6 vs 18.5). Simple Interceptor's advantage is in-app purchases (none vs 4). On ads and device support there is nothing between them.

Calioo is free to download; Simple Interceptor costs $0.99 up front. Calioo sells 4 in-app purchases, starting at $0.99 per month. Simple Interceptor asks for nothing beyond the download.

Simple Interceptor ships an update every 2 weeks, Calioo every 6 days. The most recent releases landed on September 23, 2026 and June 30, 2026 respectively.

## The numbers

| Metric | Simple Interceptor | Calioo |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calioo-event-tracker/id6756068226/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 36 MB |
| Requires iOS | 18.5 | **15.6** |
| Devices | iPhone, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jie Tian](https://appshunter.io/developer/1131483168) | [Shaanxi Sijin Network Technology Co., Ltd](https://appshunter.io/developer/1601103132) |

## What reviewers say

### Simple Interceptor

[App page](https://appshunter.io/ios/app/simple-interceptor/id6749220238)

**Features:** Vision Pro support

**In-app purchases:** none


### Calioo

[App page](https://appshunter.io/ios/app/calioo-event-tracker/id6756068226)

This minimalist tool allows you to easily track repetitive events like habits, medication, or chores with a simple double-tap. Visualize your progress with a clear history overview and ensure your data's privacy with local storage and optional cloud sync.

**Highlights:** Instant double-tap logging, Clear history visualization, Local data storage, Cloud sync (iCloud/Google Drive), App Lock for privacy, Minimalist interface

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Pro · 3 Months | $1.99 | per 3 months |
| Pro · 12 Months | $6.99 | per year |
| Pro · Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Simple Interceptor free?

Simple Interceptor costs $0.99, with no in-app purchases.

### Is Calioo free?

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

### Do Simple Interceptor or Calioo have ads?

Neither Simple Interceptor nor Calioo shows ads.

### Which is updated more often, Simple Interceptor or Calioo?

Simple Interceptor ships an update every 2 weeks, and Calioo every 6 days. Most recently, Simple Interceptor was updated on September 23, 2026 and Calioo on June 30, 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.*