Roman Numeral vs IoTFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Roman Numeral
Easily convert between standard numbers and Roman numerals. Input a numeric value to see its Roman numeral equivalent, or input a Roman numeral to get its numeric form.
- Numeric to Roman numeral conversion
- Roman numeral to numeric conversion
- Simple and intuitive interface
- Supports all standard Roman numerals
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Roman Numerals are a "number system" that uses a combination of letters to express a number. This App will make it easier to process Roman Numerals. The Roman Numerals App can do two things very well: First, if you have a Numeric Number, this App will convert it into a Roman Numeral. Second, if you have Roman Numeral, this App will convert it into a Numeric Number.
IoTFlow
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IoTFlow is the mobile client for the IoTFlow IoT platform. Monitor your connected devices, view real-time telemetry and stay on top of alerts from anywhere. FEATURES • Dashboard — see total, online and offline device counts and active alerts at a glance. • Live telemetry — watch the latest sensor readings stream in from your devices. • Devices — browse every device with status, protocol (HTTP, MQTT, WebSocket) and last-seen time. • Device detail — inspect device IDs, telemetry counts, location and metadata. • Add devices — register a new device and get its connection token in seconds. • Alerts — review recent alerts so you never miss an offline device or threshold breach. • Self-hosted ready — point the app at your own IoTFlow server in Settings. Just exploring? Tap “Explore demo” on the sign-in screen to try the whole app with sample data — no account required. IoTFlow connects to your IoTFlow backend; a free account on the platform lets you manage your own devices and telemetry.
Screenshots
Verdict
The clearest difference is price: IoTFlow at Free against Roman Numeral's $0.99. IoTFlow also leads on ads (none vs shown) and update cadence (every 9 days vs every 69 months). Roman Numeral's advantage is device support (3 vs 1) and iOS requirement (14.1 vs 17.0). On 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
IoTFlow is free to download; Roman Numeral costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Roman Numeral ships an update every 69 months, IoTFlow every 9 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.
| Parameter | Roman Numeral | IoTFlow |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 69 months | Every 9 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 16 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | H Valeur | Alfred Ang |
In-app purchases
Roman Numeral
No in-app purchases
IoTFlow
No in-app purchases
Questions
Is Roman Numeral free?
Is IoTFlow free?
Do Roman Numeral or IoTFlow have ads?
Which is updated more often, Roman Numeral or IoTFlow?
Other comparisons
