Interval Timer (Simple) vs 75 Days Challenge Club
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer (Simple)
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Why are all these interval timers so complicated? Ain't nobody got time for that. Stupid simple interval timer. Set interval. Toggle sound. Get to work. EXOX timer (Every X On The X).
75 Days Challenge Club
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Transform your habits in 75 days. 75 Days Challenge Club helps you stay accountable, build consistency, and complete one of the most demanding personal discipline journeys ever created. Whether you're starting Day 1 or pushing toward Day 75, everything you need is in one place. Features : • Daily task tracking • Workout checklist • Water intake tracker • Reading tracker • Diet tracking • Progress photo timeline • Before & after photo comparison • Journey milestones • Beautiful home screen widgets • Apple Watch companion app • Smart reminders and notifications • Progress statistics and history • Hard Mode and Soft Mode • Import Workout from Health • Daily motivation • Dark, distraction-free interface Designed to keep you focused on building discipline—not distractions. Your challenge. Your consistency. Your transformation.
Screenshots
Verdict
The clearest difference is in-app purchases: 75 Days Challenge Club at none against Interval Timer (Simple)'s 1. Interval Timer (Simple)'s advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Interval Timer (Simple) sells 1 one-off in-app purchase. 75 Days Challenge Club asks for nothing beyond the download.
| Parameter | Interval Timer (Simple) | 75 Days Challenge Club |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 28 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Domett Xing | all in web agency |
In-app purchases
Interval Timer (Simple)
- Lifetime Purchase$6.99
75 Days Challenge Club
No in-app purchases
Questions
Is Interval Timer (Simple) free?
Is 75 Days Challenge Club free?
Do Interval Timer (Simple) or 75 Days Challenge Club have ads?
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