# RLD Viewer vs Call Scheduler

The clearest difference is in-app purchases: RLD Viewer at none against Call Scheduler's 1. RLD Viewer also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). Call Scheduler's advantage is update cadence (weekly vs every 13 months). On price and device support there is nothing between them.

Both are free to download. Call Scheduler sells 1 in-app purchase, starting at $9.99 per year. RLD Viewer asks for nothing beyond the download.

RLD Viewer ships an update every 13 months, Call Scheduler weekly. The most recent releases landed on October 7, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | RLD Viewer | Call Scheduler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/call-scheduler/id6756841097/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 0 MB | 50 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Real Life Data, Inc.](https://appshunter.io/developer/1719351860) | [Seiya.k](https://appshunter.io/developer/383021944) |

## What reviewers say

### RLD Viewer

[App page](https://appshunter.io/ios/app/rld-viewer/id6474039313)

**In-app purchases:** none


### Call Scheduler

[App page](https://appshunter.io/ios/app/call-scheduler/id6756841097)

Never miss an important phone call again. Schedule calls with specific dates and times, and receive timely notifications. Tap the reminder to instantly open your dialer and connect.

**Highlights:** Schedule call reminders, Tap to dial functionality, Select contacts for calls, Edit and manage scheduled calls, Simple call preparation screen, Local data storage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Yearly Plan | $9.99 | per year |


## Frequently asked questions

### Is RLD Viewer free?

RLD Viewer is free to download, with no in-app purchases.

### Is Call Scheduler free?

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

### Do RLD Viewer or Call Scheduler have ads?

Call Scheduler shows ads; RLD Viewer does not.

### Which is updated more often, RLD Viewer or Call Scheduler?

RLD Viewer ships an update every 13 months, and Call Scheduler weekly. Most recently, RLD Viewer was updated on October 7, 2026 and Call Scheduler on October 26, 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.*