# One Dot vs RailDrishti (RDPMS)

The clearest difference is in-app purchases: RailDrishti (RDPMS) at none against One Dot's 3. RailDrishti (RDPMS) also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. One Dot sells 3 in-app purchases, starting at $2.99 per month. RailDrishti (RDPMS) asks for nothing beyond the download.

One Dot ships an update fortnightly, RailDrishti (RDPMS) every 8 days. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | One Dot | RailDrishti (RDPMS) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/one-dot-lock-screen-calendar/id6760043081/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Freemium | — |
| Size | 85 MB | 41 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daniil Kartsev](https://appshunter.io/developer/1882473167) | [BITCOMM TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1622370802) |

## What reviewers say

### One Dot

[App page](https://appshunter.io/ios/app/one-dot-lock-screen-calendar/id6760043081)

Visualize your life, habits, and events on your lock screen with auto-updating calendar wallpapers. Track your progress, journal entries, and upcoming events without opening an app. Customize your look with various themes, shapes, and backgrounds.

**Highlights:** Auto-updating lock screen wallpapers, Visual life grid calendar, Habit streak tracking, Journal visualization, Countdown and agenda display, Customizable widgets, Multiple themes and shapes

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Dot Premium Monthly | $2.99 | per month |
| One Dot Premium Yearly | $14.99 | per year |
| One Dot Premium Lifetime | $24.99 | one-time |


### RailDrishti (RDPMS)

[App page](https://appshunter.io/ios/app/raildrishti-rdpms/id6767129461)

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

**In-app purchases:** none


## Frequently asked questions

### Is One Dot free?

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

### Is RailDrishti (RDPMS) free?

RailDrishti (RDPMS) is free to download, with no in-app purchases.

### Do One Dot or RailDrishti (RDPMS) have ads?

Neither One Dot nor RailDrishti (RDPMS) shows ads.

### Which is updated more often, One Dot or RailDrishti (RDPMS)?

One Dot ships an update fortnightly, and RailDrishti (RDPMS) every 8 days. Most recently, One Dot was updated on September 10, 2026 and RailDrishti (RDPMS) on September 17, 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.*