Period vs DOZER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Period
Track your menstrual cycle, log period dates, ovulation test results, and symptoms. Gain insights into fertility probability based on your cycle length. This app helps predict periods and monitor cycles.
- Menstrual cycle tracking
- Period logging
- Ovulation test logging
- Symptom tracking
- Fertility probability insights
- Cycle length comparison
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View where you are in your cycle with the Period Tracker app. You have the option to manually log your periods, ovulation test results and keep track of your menstrual cycle symptoms. Get insights into how the probability of peak fertility varies for women with the same cycle length as you. This app is designed for use by women who want to predict their periods, track their cycles or try for a baby. It should not be used as a method of contraception.
DOZER
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Dive into the imaginative world of Dozer Kids Indoor Play, a hands-on, construction-themed indoor sandbox located in Leawood, Kansas. Inspired by nostalgia yet crafted for modern families, this 1,200 sq ft sandbox is stocked with over 60 playful tools—from mini dump trucks and bulldozers to shovels, funnels, and building blocks—that encourage tactile, screen-free exploration for kids 8 and under. Boasting seven tons of soft sand and a super-clean, safe environment, it’s a perfect place for kids to dig deep and families to connect. Whether booking a session or planning a memorable birthday party, Dozer Kids fuels curiosity and joyful play.
Screenshots
Verdict
Period and DOZER are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Period | DOZER |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (2.4K ratings) — better | — |
| Positive reviews | 53.8% of reviews | — |
| Number of ratings | 2.4K — better | — |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0.0 |
| Further details — not scored | ||
| Size | 56 MB | 15 MB |
| Age rating | 12+ | 4+ |
| Developer | SPD Development Company Ltd | JACK'S DOZER INC |
Bugs and requests
Period
Reported bugs
3 issues- Dates and data getting changed after updates
- Calendar not populating after updates
- Whole calendar getting erased after updates
Requested features
2 requests- Add option to log basal body temperature
- Improve notification customization
DOZER
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Period
No in-app purchases
DOZER
No in-app purchases
