Units+ vs BackWalls(Pro)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Units+
Easily convert between over 260 measurement units across 22 categories and get real-time currency exchange rates for more than 160 currencies. Quickly find units or bookmark frequent conversions for efficient use.
- 260+ measurement units
- 22 unit categories
- 160+ currencies
- Real-time exchange rates
- Unit search
- Bookmarking conversions
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Convert values between commonly used measurement units. The app supports more than 260 units in 22 different categories. It also support currency exchange rates for more than 160 currencies. The app makes it easy to search for units within a specific category, or across all categories. And supports bookmarking the conversions you use most often. Here is a sorted list of all included unit categories: - Acceleration - Angle - Area - Data Storage - Data Transfer - Density - Electric Current - Energy - Flow - Force - Fuel Consumption - Length - Mass (Weight) - Mass Flow - Metric Prefix - Power - Pressure - Speed (Velocity) - Temperature - Time - Torque - Volume
BackWalls(Pro)
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Features- - Material UI - Categories - Bookmarks - Cloud Uploads - Wallpaper Preview Developed by Techbajao Programmer- Hrishi Suthar Made with love in India
Screenshots
Verdict
The clearest difference is price: Units+ at Free against BackWalls(Pro)'s $2.99. BackWalls(Pro)'s advantage is in-app purchases (none vs 2) and ads (none vs shown). On 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
Units+ is free to download; BackWalls(Pro) costs $2.99 up front. Units+ sells 2 one-off in-app purchases. BackWalls(Pro) asks for nothing beyond the download.
Units+ ships an update every 5 months, BackWalls(Pro) daily. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.
| Parameter | Units+ | BackWalls(Pro) |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.7 (375 ratings) — better | — |
| Positive reviews | 85.0% of reviews | — |
| Number of ratings | 375 — better | — |
| Update frequency | Every 5 months | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 11.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Hebaallah Hossameldien | Hrishi Suthar |
Bugs and requests
Units+
Reported bugs
1 issue- Ads don't have an X to close
Requested features
2 requests- Add a Notification Center widget
- Way to mark favorite types of conversions
BackWalls(Pro)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Units+
- Unlock Pro FeaturesFree
- Remove Ads$1.99
BackWalls(Pro)
No in-app purchases
Questions
Is Units+ free?
Is BackWalls(Pro) free?
Do Units+ or BackWalls(Pro) have ads?
Which is updated more often, Units+ or BackWalls(Pro)?
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