# Calendar Progress Tracker vs Sniffly

The clearest difference is ads: Sniffly at none against Calendar Progress Tracker's shown. Calendar Progress Tracker's advantage is update cadence (daily vs every 8 days) and iOS requirement (10.0 vs 26.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calendar Progress Tracker ships an update daily, Sniffly every 8 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Calendar Progress Tracker | Sniffly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/calendar-progress-tracker/id1523490033/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 8 days |
| Monetization | Ad-supported | — |
| Size | 87 MB | 6 MB |
| Requires iOS | **10.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Neira Lozic](https://appshunter.io/developer/1335693080) | [Alex Yehorov](https://appshunter.io/developer/1458719619) |

## What reviewers say

### Calendar Progress Tracker

[App page](https://appshunter.io/ios/app/calendar-progress-tracker/id1523490033)

Easily monitor your progress on various goals and tasks. This application provides a straightforward way to keep track of your achievements and milestones.

**Highlights:** Progress tracking, Goal monitoring, Task management, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Sniffly

[App page](https://appshunter.io/ios/app/sniffly-dog-walk-tracker/id6768083450)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calendar Progress Tracker free?

Calendar Progress Tracker is free to download, with no in-app purchases.

### Is Sniffly free?

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

### Do Calendar Progress Tracker or Sniffly have ads?

Calendar Progress Tracker shows ads; Sniffly does not.

### Which is updated more often, Calendar Progress Tracker or Sniffly?

Calendar Progress Tracker ships an update daily, and Sniffly every 8 days. Most recently, Calendar Progress Tracker was updated on November 3, 2026 and Sniffly on November 5, 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.*