# constats.ch vs SmartDog

The clearest difference is ads: constats.ch at none against SmartDog's shown. constats.ch also leads on iOS requirement (8.0 vs 15.6). SmartDog's advantage is update cadence (fortnightly vs every 44 months). 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.

constats.ch ships an update every 44 months, SmartDog fortnightly. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | constats.ch | SmartDog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 44 months | **Fortnightly** |
| Size | 48 MB | 98 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TransElec Ingenierie Sarl](https://appshunter.io/developer/1518477186) | [Alec Pavone](https://appshunter.io/developer/1780308121) |

## What reviewers say

### constats.ch

[App page](https://appshunter.io/ios/app/constatsch/id1518477187)

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartDog

[App page](https://appshunter.io/ios/app/smartdog/id6738345990)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is constats.ch free?

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

### Is SmartDog free?

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

### Do constats.ch or SmartDog have ads?

SmartDog shows ads; constats.ch does not.

### Which is updated more often, constats.ch or SmartDog?

constats.ch ships an update every 44 months, and SmartDog fortnightly. Most recently, constats.ch was updated on September 19, 2026 and SmartDog on September 8, 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.*