# InvasivTracker vs DaysRing

The clearest difference is in-app purchases: InvasivTracker at none against DaysRing's 1. InvasivTracker also leads on iOS requirement (11.0 vs 18.5). DaysRing's advantage is update cadence (every 4 days vs every 19 months). On price, ads and device support there is nothing between them.

Both are free to download. DaysRing sells 1 one-off in-app purchase. InvasivTracker asks for nothing beyond the download.

InvasivTracker ships an update every 19 months, DaysRing every 4 days. The most recent releases landed on September 27, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | InvasivTracker | DaysRing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 4 days** |
| Size | 33 MB | 2 MB |
| Requires iOS | **11.0** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Arobase](https://appshunter.io/developer/735290604) | [Kentaro Shirai](https://appshunter.io/developer/1619348769) |

## What reviewers say

### InvasivTracker

[App page](https://appshunter.io/ios/app/invasivtracker/id1632032860)

**Features:** macOS Compatibility

**In-app purchases:** none


### DaysRing

[App page](https://appshunter.io/ios/app/daysring/id6762712286)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DaysRing Premium | $0.99 | one-time |


## Frequently asked questions

### Is InvasivTracker free?

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

### Is DaysRing free?

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

### Do InvasivTracker or DaysRing have ads?

Neither InvasivTracker nor DaysRing shows ads.

### Which is updated more often, InvasivTracker or DaysRing?

InvasivTracker ships an update every 19 months, and DaysRing every 4 days. Most recently, InvasivTracker was updated on September 27, 2026 and DaysRing on October 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.*