Time Keeper vs Opticra
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time Keeper
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Time Keeper - Make Every Moment Count Take control of your time with Time Keeper, the ultimate time-tracking app designed specifically for parents. Whether you're managing your own schedule or keeping track of family activities, Time Keeper helps you stay organized, productive, and balanced.
Opticra
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Opticra is the essential toolkit for photographers who want precise calculations in the field. Whether you're setting up a long exposure on a tripod, comparing focal lengths across sensor sizes, dialing in your flash power, planning a print order, or shooting stars at night — Opticra has the calculator you need.
Screenshots
Verdict
The clearest difference is update cadence: Time Keeper at daily against Opticra's every 5 weeks. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Time Keeper ships an update daily, Opticra every 5 weeks. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.
| Parameter | Time Keeper | Opticra |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 82 MB |
| Age rating | 4+ | 4+ |
| Developer | APPSTACK LLC | Murap Leran |
In-app purchases
Time Keeper
No in-app purchases
Opticra
No in-app purchases
