Currency&Unit Conversions vs Flash Charge HK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Currency&Unit Conversions
Easily convert between various units and currencies, saving your calculations for later. View all your past conversions in one place, eliminating the need to re-enter data. Supports a wide range of categories including temperature, length, area, volume, and weight.
- Save conversion history
- View all conversions at once
- Temperature conversion
- Currency conversion (158 currencies)
- Length, Area, Volume, Weight conversions
- Supports Foot + Inch and Pound + Ounce
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Save your currency/temperature/unit conversions for future reference. See all your conversions at once instead of one at a time. Supports common unit conversions, including Foot + Inch and Pound + Ounce, in these categories: * Temperature * Currencies (158 currencies, 205 countries, powered by Yahoo! Finance, requires Internet connection) * Length / Distance (supports Foot + Inch) * Area * Volume (supports cooking measurements) * Weight / Mass (supports Pound + Ounce) * Speed * Power * Energy
Flash Charge HK
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Brought to you by PetroChina HK, the fast and convenient electric vehicle charging platform FLASHCHARGE is now live. With FLASHCHARGE, users can: - Access EV charging services at gas stations and designated locations across Hong Kong, - Monitor charging status in real-time, - Manage charging bills, and - Use reservation services at selected stations. Enjoy the seamless charging experience today!
Screenshots
Verdict
The clearest difference is in-app purchases: Flash Charge HK at none against Currency&Unit Conversions's 1. Currency&Unit Conversions's advantage is iOS requirement (7.0 vs 14.0). On price, update cadence, ads 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. Currency&Unit Conversions sells 1 one-off in-app purchase. Flash Charge HK asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.
| Parameter | Currency&Unit Conversions | Flash Charge HK |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (50 ratings) — better | — |
| Positive reviews | 79.1% of reviews | — |
| Number of ratings | 50 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 7.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 17 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | 38 Softworks Inc. | LHC New Energy Company Limited |
Bugs and requests
Currency&Unit Conversions
Reported bugs
3 issues- Currency not loading
- App crashes instantly
- App won't open
Requested features
2 requests- Absolute temperature conversions
- Kelvin temperature option
Flash Charge HK
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Currency&Unit Conversions
- Remove All Ads$1.99
Flash Charge HK
No in-app purchases
Questions
Is Currency&Unit Conversions free?
Is Flash Charge HK free?
Do Currency&Unit Conversions or Flash Charge HK have ads?
Which is updated more often, Currency&Unit Conversions or Flash Charge HK?
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