# Oky Period Tracker vs Practice Lock | Combination

The clearest difference is review sentiment: Practice Lock | Combination at 88% against Oky Period Tracker's 33%. Practice Lock | Combination also leads on rating (4.7 vs 3.2) and ratings volume (3.7K vs 43). Oky Period Tracker's advantage is in-app purchases (none vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Practice Lock | Combination sells 3 in-app purchases, starting at $1.99 per month. Oky Period Tracker asks for nothing beyond the download.

Practice Lock | Combination holds the better App Store score, 4.7 against 3.2. That said, the two scores are not equally well evidenced: Practice Lock | Combination has 3.7K ratings behind it against 43, so its average is the more settled of the two. Written reviews point the same way: 33% of Oky Period Tracker's written reviews are positive against 88% of Practice Lock | Combination's.

Oky Period Tracker ships an update every 6 weeks, Practice Lock | Combination every 3 months. The most recent releases landed on October 19, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Oky Period Tracker | Practice Lock | Combination |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (43 ratings)](https://appshunter.io/ios/app/oky-period-tracker/id1551481098/reviews) | **[4.7 (3.7K ratings)](https://appshunter.io/ios/app/practice-lock-combination/id6466766612/reviews)** |
| Number of ratings | 43 | **3.7K** |
| Positive reviews | 33.3% of reviews | **88.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 79 MB | 32 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UNICEF](https://appshunter.io/developer/446804206) | [Ayomide Omolewa](https://appshunter.io/developer/1707785388) |

## What reviewers say

### Oky Period Tracker

[App page](https://appshunter.io/ios/app/oky-period-tracker/id1551481098)

This app helps young girls manage their menstrual cycles. It offers personalized predictions, tracks body and mood changes, and provides reliable health information and tips. The goal is to make periods less stressful and empower users.

**Highlights:** Period tracking, Personalized predictions, Mood and body tracking, Health facts and tips, Stress-free period management

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

**In-app purchases:** none


### Practice Lock | Combination

[App page](https://appshunter.io/ios/app/practice-lock-combination/id6466766612)

Master rotary combination locks with a realistic digital simulation. Practice opening lockers and safes with customizable configurations, a timer challenge, and guided assistance. Learn at your own pace or race against the clock.

**Highlights:** Realistic digital rotary lock simulation, Timer challenge for speed practice, Guided assistance and hints, Step-by-step walkthrough mode, Customizable combination ranges and sequences, Vibrant dial color options

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $1.99 | per month |
| Unlimited Access | $2.99 | per 3 months |
| Unlimited Access | $4.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful for learning to open lockers
- 🤩 Life-saving for school
- 🙌 Saved time and frustration
- 💯 Effective practice tool

**What reviewers complain about**

- 🐛 Glitchy or buggy at times
- ⏱️ Lock moves too fast for practice
- 💰 Requires payment after limited free tries

**Reported bugs**

- Combination reset issue
- Visuals not displaying properly
- Inconsistent performance

**Requested features**

- Customizable locker combinations
- Motivational messages or rewards
- More flexibility in settings


## Frequently asked questions

### Is Oky Period Tracker free?

Oky Period Tracker is free to download, with no in-app purchases.

### Is Practice Lock | Combination free?

Practice Lock | Combination is free to download, with in-app purchases available.

### Which has better reviews, Oky Period Tracker or Practice Lock | Combination?

Practice Lock | Combination is rated higher. Oky Period Tracker averages 3.2 out of 5 from 43 ratings, while Practice Lock | Combination averages 4.7 from 3.7K ratings.

### Do Oky Period Tracker or Practice Lock | Combination have ads?

Neither Oky Period Tracker nor Practice Lock | Combination shows ads.

### Which is updated more often, Oky Period Tracker or Practice Lock | Combination?

Oky Period Tracker ships an update every 6 weeks, and Practice Lock | Combination every 3 months. Most recently, Oky Period Tracker was updated on October 19, 2026 and Practice Lock | Combination on October 20, 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.*