redOS. vs Text on Top Vision
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
redOS.
Monitor the real-time status of the electricity system with key operational indicators. Choose between a consumer profile for energy transition engagement or a professional profile for in-depth data on generation, demand, prices, and exchanges.
- Real-time system status
- Consumer profile
- Professional profile
- Electricity demand data
- Generation information
- CO2 emissions tracking
- Price and exchange data
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We introduce you redOS, the app of Red Eléctrica de España, which allows you to know, in real time, the situation of the electricity system through a set of indicators of the system operation. You can choose between two user profiles: a “consumer” profile that allows you to become an active player in the energy transition, as consumer and self-consumer; and a “professional” profile where you will find extended information on generation, demand, prices and exchanges to be always informed on the current situation of the electricity system. You can find the following information categories: • Electricity demand. • Generation. • CO2 emissions. • Installed power. • Electricity exchanges. • Wholesale prices. • Retail prices.
Text on Top Vision
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Text on Top is a unique wireless and low cost solution for real-time captioning during a presentation or congress. Typically Text on Top is used to provide captions on top of the presentation. However, this "Vision" App allows an individual (visual impaired) user in the audience to receive the real-time text on an iPad. The user is in full control to adjust the appearance to his/her specific needs.
Screenshots
Verdict
The clearest difference is update cadence: redOS. at weekly against Text on Top Vision's every 8 months. Text on Top Vision's advantage is iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and device support 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.
redOS. ships an update weekly, Text on Top Vision every 8 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | redOS. | Text on Top Vision |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Red Eléctrica de España | Sander Pasveer |
In-app purchases
redOS.
No in-app purchases
Text on Top Vision
No in-app purchases
