# SL Calendar vs Oculock

The clearest difference is review sentiment: Oculock at 100% against SL Calendar's 33%. Oculock also leads on rating (5.0 vs 4.5) and update cadence (every 2 weeks vs every 9 months). SL Calendar's advantage is in-app purchases (none vs 2) and ratings volume (52 vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Oculock sells 2 in-app purchases, starting at $2.99 per month. SL Calendar asks for nothing beyond the download.

Oculock holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: SL Calendar has 52 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of SL Calendar's written reviews are positive against 100% of Oculock's.

SL Calendar ships an update every 9 months, Oculock every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | SL Calendar | Oculock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (52 ratings)](https://appshunter.io/ios/app/sl-calendar/id1192968779/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/oculock/id6752970562/reviews)** |
| Number of ratings | **52** | 3 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 5 MB | 16 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Charith Gunasekera](https://appshunter.io/developer/1192968778) | [Poker Games Interactive](https://appshunter.io/developer/1135256351) |

## What reviewers say

### SL Calendar

[App page](https://appshunter.io/ios/app/sl-calendar/id1192968779)

A simple and reliable holiday calendar app for Sri Lanka, offering public, bank, and mercantile holidays. Supports Sinhala, Tamil, and English, with monthly views, reminders, and custom event additions. Ideal for planning around national holidays.

**Highlights:** Sri Lankan public, bank, and mercantile holidays, Monthly calendar view, Multi-language support (Sinhala, Tamil, English), Notifications and reminders, Custom event creation, Apple Watch support, Home screen widgets

**Features:** macOS Compatibility

**In-app purchases:** none


### Oculock

[App page](https://appshunter.io/ios/app/oculock/id6752970562)

Securely store and manage all your sensitive information, including passwords, credit cards, and documents. This app offers strong encryption and biometric unlock for local-first data protection, ensuring your information is always under your control.

**Highlights:** Strong encryption, Biometric unlock (Face ID/Touch ID), Local-first data storage, Store logins, credit cards, notes, and documents, Built-in TOTP (2FA) codes, Multiple vaults, Encrypted backup and restore

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oculock One Monthly | $2.99 | per month |
| Oculock One Annual | $24.99 | per year |


## Frequently asked questions

### Is SL Calendar free?

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

### Is Oculock free?

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

### Which has better reviews, SL Calendar or Oculock?

Oculock is rated higher. SL Calendar averages 4.5 out of 5 from 52 ratings, while Oculock averages 5.0 from 3 ratings.

### Do SL Calendar or Oculock have ads?

Neither SL Calendar nor Oculock shows ads.

### Which is updated more often, SL Calendar or Oculock?

SL Calendar ships an update every 9 months, and Oculock every 2 weeks. Most recently, SL Calendar was updated on October 24, 2026 and Oculock on October 24, 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.*