DSP 1.8 vs Caesar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DSP 1.8
Configure and control a specific audio DSP device wirelessly. Stream audio directly over WiFi. Requires a dedicated hardware module for operation.
- Wireless configuration
- WiFi audio streaming
- DSP device control
- Requires WiFi module
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DSP 1.8: Configuration app for Rainbow Audio DSP 1.8 with WiFi module. Enables the operation and configuration of the Rainbow Audio DSP 1.8 via WiFi as well as audio streaming over WiFi. App is designed for Rainbow retailers, as well as experienced end-users with appropriate expertise. The WiFi module (accessory) is required to work with the app.
Caesar
This utility tool encrypts and decrypts text using a Caesar cipher. Users can specify a shift value to transform their messages. Converted text can be saved within the application for later use.
- Caesar cipher encryption
- Caesar cipher decryption
- Customizable shift parameter
- Save converted strings
- Text transformation utility
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Converts a string into a string shifted the specified number of characters. The number of characters to shift is specified as the conversion parameter. For example, to shift the string AAAA by one character, set the conversion parameter to 1 and the selected string to AAAA. In this case, the converted string will be BBBB. The converted string can be saved in the app.
Screenshots
Verdict
The clearest difference is rating: DSP 1.8 at 5.0 against Caesar's 1.0. DSP 1.8 also leads on ads (none vs shown) and monetization model (free vs ad-supported). Caesar's advantage is update cadence (every 2 weeks vs every 39 months) and device support (3 vs 1). On price, ratings volume and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DSP 1.8 holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
DSP 1.8 ships an update every 39 months, Caesar every 2 weeks. Both last shipped on November 3, 2026.
| Parameter | DSP 1.8 | Caesar |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 39 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 47 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Rainbow Audio GmbH | Hideaki Uchikoshi |
Customer experience
DSP 1.8
Caesar
In-app purchases
DSP 1.8
No in-app purchases
Caesar
No in-app purchases
