# Acrobits vs RDM Digital Signage

The clearest difference is price: RDM Digital Signage at Free against Acrobits's $6.99. Acrobits's advantage is update cadence (every 9 days vs every 3 months) and iOS requirement (16.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

RDM Digital Signage is free to download; Acrobits costs $6.99 up front. Acrobits sells 1 one-off in-app purchase and RDM Digital Signage sells 6 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

Acrobits ships an update every 9 days, RDM Digital Signage every 3 months. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Acrobits | RDM Digital Signage |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[4.2 (47 ratings)](https://appshunter.io/ios/app/acrobits-voip-sip-softphone/id314192799/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 67.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Paid | — |
| Size | 67 MB | 48 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Acrobits](https://appshunter.io/developer/314192802) | [RDM Signage](https://appshunter.io/developer/1874271714) |

## What reviewers say

### Acrobits

[App page](https://appshunter.io/ios/app/acrobits-voip-sip-softphone/id314192799)

This powerful SIP softphone allows voice and video calls, messaging, and secure communication over WiFi and mobile data. It works with existing SIP accounts and offers lifetime support and updates.

**Highlights:** Voice and video calling, Secure encrypted calls, Push notifications, Call handover (WiFi/data), Multi-device compatibility, Standards-based SIP client, Customizable settings

**Features:** Siri integration, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZRTP For Outgoing Calls | $24.99 | one-time |

**What reviewers like**

- 🚀 Amazing
- 👍 Great technical support
- 🚀 Works seamlessly
- 👍 Excellent app
- 🚀 Reliable and works great

**What reviewers complain about**

- 🐛 No microphone support.
- 💰 Deduct subscription without inform user
- 🔒 No option to block calls
- 💤 Crashes instantly on os 10
- 🐛 Crashes instead of connecting to call when opening from push notification or manually from home screen!!!

**Reported bugs**

- Crashes on open in iOS 9.3
- Keeps wiping out all settings and history
- Deletes configuration randomly
- Failed to received CallerID
- Periodically disables itself

**Requested features**

- SMS support
- Ability to block calls
- Customizable ringtones
- Conference calling
- Ability to select original iPhone ringtones


### RDM Digital Signage

[App page](https://appshunter.io/ios/app/rdm-digital-signage/id6758664921)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.49 | per month |
| 6-Monthly Plan | $2.95 | per 6 months |
| Yearly Plan | $5.89 | per year |
| Yearly Plan | $4.99 | one-time |
| 6-Monthly Plan | $7.99 | one-time |
| RDM Signage | $9.99 | one-time |


## Frequently asked questions

### Is Acrobits free?

Acrobits costs $6.99, and also offers in-app purchases.

### Is RDM Digital Signage free?

RDM Digital Signage is free to download, with in-app purchases available.

### Do Acrobits or RDM Digital Signage have ads?

Neither Acrobits nor RDM Digital Signage shows ads.

### Which is updated more often, Acrobits or RDM Digital Signage?

Acrobits ships an update every 9 days, and RDM Digital Signage every 3 months. Most recently, Acrobits was updated on November 8, 2026 and RDM Digital Signage on October 31, 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.*