TestApp.io vs Programmer Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TestApp.io
This app facilitates easy sharing of mobile applications for testing and feedback. Testers receive notifications for new releases, while developers can manage app versions and team members through a dedicated portal.
- App sharing for testing
- Feedback collection
- Release management
- Tester notifications
- Member management
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TestApp.io helps mobile app developers easily share their apps with anyone for testing and feedback. In this app, testers will receive notifications about new releases to install and test. From our portal, developers will be able to manage app releases, members, and more. Our mission is to make the app better. One release at a time.
Programmer Calculator
This tool assists developers with number base conversions and CRC calculations for strings and hex bytes. Additional features are planned for future updates.
- Number base conversion
- CRC calculation
- String to hex conversion
- Hex byte CRC calculation
- Developer support tool
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Programmer calculator is a tool to support developers to convert numbers between different radix, to calculate CRC of strings or hex bytes. More features is under development and will be delivered in future.
Screenshots
Verdict
The clearest difference is review sentiment: TestApp.io at 91% against Programmer Calculator's 42%. TestApp.io also leads on in-app purchases (none vs 3) and rating (5.0 vs 4.6). Programmer Calculator's advantage is ratings volume (32 vs 1). 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. Programmer Calculator sells 3 one-off in-app purchases. TestApp.io asks for nothing beyond the download.
TestApp.io holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Programmer Calculator has 32 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 91% of TestApp.io's written reviews are positive against 42% of Programmer Calculator's.
TestApp.io ships an update every 3 weeks, Programmer Calculator fortnightly. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.
| Parameter | TestApp.io | Programmer Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.6 (32 ratings) |
| Positive reviews | 90.9% of reviews — better | 42.1% of reviews |
| Number of ratings | 1 | 32 — better |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | TestApp.io FZ LLC | 永超 侯 |
Customer experience
TestApp.io
Programmer Calculator
In-app purchases
TestApp.io
No in-app purchases
Programmer Calculator
- A coke$0.99
- A cup of coffee$2.99
- A big meal$5.99
Questions
Is TestApp.io free?
Is Programmer Calculator free?
Which has better reviews, TestApp.io or Programmer Calculator?
Do TestApp.io or Programmer Calculator have ads?
Which is updated more often, TestApp.io or Programmer Calculator?
Other comparisons
