GPX Builder vs DNAConverter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GPX Builder
This utility app allows developers to simulate and record real-world GPS location data for testing purposes. Adjust location settings for accuracy and battery life, then export data as GPX or GeoJSON files. Includes carrier and connectivity data for comprehensive testing.
- Simulate GPS location data
- Record real-world GPS tracks
- Adjust location accuracy
- Export as GPX or GeoJSON
- Include carrier and connectivity data
- Create custom test routes
Read full descriptionHide full description
*Continued use of GPS running in the background can dramatically decrease battery life. Developing apps that require location services can be a challenge when the data you receive in the simulator is so much different than what a device receives in the real world. Are your location settings battery friendly enough to solve the problem you are working on or could you do with a little less accuracy? GPX Builder allows you to adjust the settings of the location services to match your project, then record real location data as you create your own test routes for your simulator. You can name each route and email the GPX data back to your development team. We now include carrier and connectivity data so you can generate GPX or GeoJSON files with real world data for unreliable connectivity. We hope this will help you to understand your user's experience better so you can create amazing features. You can export your location data as a GPX file or in GeoJSON format. Points are recorded at a rate of one per second to match the playback speed of the iOS Simulator and give more realistic results when simulating location data. You can still record raw data only by choosing that option in the settings.
DNAConverter
Read full descriptionHide full description
Want to say something, but also… not really? This app lets you hide those feelings inside ATCG. If saying “thank you” directly feels awkward, or being honest feels too embarrassing, just convert your message into a DNA-style ATCG sequence with this app. ■Text → Nucleotide Sequence “Thank you” becomes something like TTTATCCATCATTCGCTCCGACAATGCTTCGGTGTT unnecessarily long and mysteriously meaningful! Send it to someone and they won’t understand a thing, but you can feel satisfied that you “expressed your gratitude.” ■Nucleotide Sequence → Text Even ATCG-only cryptic messages can be decoded back to the original text. Perfect for private “secret code” chats among friends. ■Features • Generates DNA-like sequences instantly, even though they mean nothing • Copy & paste into messaging apps for quick sharing • Decode mode for conversations only insiders can understand • Absolutely no biological meaning whatsoever Even the words you can’t say out loud might feel lighter when you hide them in ATCG.
Screenshots
Verdict
The clearest difference is price: GPX Builder at Free against DNAConverter's $0.99. GPX Builder also leads on iOS requirement (15.5 vs 26.0). DNAConverter's advantage is ads (none vs shown). On update cadence, 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
GPX Builder is free to download; DNAConverter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GPX Builder ships an update every 2 months, DNAConverter every 4 months. The most recent releases landed on September 7, 2026 and September 12, 2026 respectively.
| Parameter | GPX Builder | DNAConverter |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.5 — better | 26.0 |
| Further details — not scored | ||
| Size | 7 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | OurBigAdventure, LLC | makoto amijima |
In-app purchases
GPX Builder
No in-app purchases
DNAConverter
No in-app purchases









