# RYNAN IMS vs Fill Storage Pro

The clearest difference is ads: RYNAN IMS at none against Fill Storage Pro's shown. RYNAN IMS also leads on device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | RYNAN IMS | Fill Storage Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fill-storage-pro/id6755057653/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Ad-supported |
| Size | 103 MB | 13 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rynan Technologies JSC](https://appshunter.io/developer/1259744135) | [Arum Communications Corp.](https://appshunter.io/developer/1851627253) |

## What reviewers say

### RYNAN IMS

[App page](https://appshunter.io/ios/app/rynan-ims/id6476252259)

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

**In-app purchases:** none


### Fill Storage Pro

[App page](https://appshunter.io/ios/app/fill-storage-pro/id6755057653)

This utility app helps users simulate low storage conditions for testing or securely erase deleted data by filling device storage with dummy files. It offers customizable filling options and easy cleanup.

**Highlights:** Low storage simulation for testing, Securely overwrite deleted data, Customizable storage filling (fixed sizes/percentage), One-tap cleanup of generated files, Ideal for developers and testers

**In-app purchases:** none


## Frequently asked questions

### Is RYNAN IMS free?

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

### Is Fill Storage Pro free?

Fill Storage Pro is free to download, with no in-app purchases.

### Do RYNAN IMS or Fill Storage Pro have ads?

Fill Storage Pro shows ads; RYNAN IMS does not.

### Which is updated more often, RYNAN IMS or Fill Storage Pro?

RYNAN IMS ships an update every 2 months, and Fill Storage Pro every 2 months. Most recently, RYNAN IMS was updated on November 4, 2026 and Fill Storage Pro on October 30, 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.*