# ChallengeUp vs Onlyday

The clearest difference is in-app purchases: Onlyday at none against ChallengeUp's 2. Onlyday also leads on update cadence (weekly vs every 2 months) and review sentiment (100% vs 89%). ChallengeUp's advantage is ratings volume (38 vs 1). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. ChallengeUp sells 2 in-app purchases, starting at $14.99 per year. Onlyday asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ChallengeUp against 5.0 for Onlyday. That said, the two scores are not equally well evidenced: ChallengeUp has 38 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 89% of ChallengeUp's written reviews are positive against 100% of Onlyday's.

ChallengeUp ships an update every 2 months, Onlyday weekly. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ChallengeUp | Onlyday |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (38 ratings)](https://appshunter.io/ios/app/challengeup-habit-tracker/id1556682948/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/onlyday/id6737406838/reviews) |
| Number of ratings | **38** | 1 |
| Positive reviews | 89.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 85 MB | 45 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [LIKE WRONG LLP](https://appshunter.io/developer/1556682950) | [Envybox](https://appshunter.io/developer/1319895610) |

## What reviewers say

### ChallengeUp

[App page](https://appshunter.io/ios/app/challengeup-habit-tracker/id1556682948)

This app helps you build new habits, improve self-care, or break bad ones with a structured, short-term challenge system. Focus on achieving goals within 7 to 60 days to experience lasting change without the pressure of lifelong commitment.

**Highlights:** Short challenge system (7-60 days), Create custom challenges, Track progress visually, Receive goal reminders, Share progress on social media, Access useful challenge tips

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus (Annual) | $14.99 | per year |
| Plus Lifetime | $39.99 | one-time |


### Onlyday

[App page](https://appshunter.io/ios/app/onlyday/id6737406838)

This app helps you build positive habits and break negative ones by focusing on daily commitments. It provides a structured way to manage decisions, track progress, and connect with a supportive community. Achieve your goals by taking it one day at a time.

**Highlights:** Daily decision commitment, Habit tracking, Goal setting, Progress monitoring, Community support, Motivational stories

**In-app purchases:** none


## Frequently asked questions

### Is ChallengeUp free?

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

### Is Onlyday free?

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

### Which has better reviews, ChallengeUp or Onlyday?

ChallengeUp and Onlyday are both rated 5.0 out of 5 on the App Store, from 38 and 1 ratings respectively.

### Do ChallengeUp or Onlyday have ads?

Neither ChallengeUp nor Onlyday shows ads.

### Which is updated more often, ChallengeUp or Onlyday?

ChallengeUp ships an update every 2 months, and Onlyday weekly. Most recently, ChallengeUp was updated on October 19, 2026 and Onlyday on October 4, 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.*