# DeltaMaster ReaderApp vs OutriggerPlan

The clearest difference is update cadence: OutriggerPlan at every 3 days against DeltaMaster ReaderApp's every 3 months. DeltaMaster ReaderApp's advantage is iOS requirement (8.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DeltaMaster ReaderApp ships an update every 3 months, OutriggerPlan every 3 days. Both last shipped on October 10, 2026.

## The numbers

| Metric | DeltaMaster ReaderApp | OutriggerPlan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 42 MB | 150 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bissantz & Company GmbH](https://appshunter.io/developer/459444758) | [Abdul Manan](https://appshunter.io/developer/1778684078) |

## What reviewers say

### DeltaMaster ReaderApp

[App page](https://appshunter.io/ios/app/deltamaster-readerapp/id459463520)

**Features:** macOS Compatibility

**In-app purchases:** none


### OutriggerPlan

[App page](https://appshunter.io/ios/app/outriggerplan-lift-load-chart/id6799917024)

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

**In-app purchases:** none


## Frequently asked questions

### Is DeltaMaster ReaderApp free?

DeltaMaster ReaderApp is free to download, with no in-app purchases.

### Is OutriggerPlan free?

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

### Do DeltaMaster ReaderApp or OutriggerPlan have ads?

Neither DeltaMaster ReaderApp nor OutriggerPlan shows ads.

### Which is updated more often, DeltaMaster ReaderApp or OutriggerPlan?

DeltaMaster ReaderApp ships an update every 3 months, and OutriggerPlan every 3 days. Most recently, DeltaMaster ReaderApp was updated on October 10, 2026 and OutriggerPlan on October 10, 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.*