Appen Voice vs DataForce Contribute
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Appen Voice
This application records VOIP calls for speech technology development. Users cannot make personal recordings; data is sent directly to Appen. Login information and task details are required for use.
- VOIP call recording
- Speech technology development
- Data sent directly to Appen
- Requires login and task details
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The Appen Voice application has been created by Appen to be used to record VOIP calls. • You will not be able to use this app to make recordings for your own use. • The recorded data will be sent to Appen directly, and used for the development of speech technology. • To use this app, you will require login information and task details.
DataForce Contribute
This app allows freelance contributors to complete various data collection projects for an AI solutions company. Tasks include capturing photos, recording videos and audio, and visiting locations to gather information and media.
- Take or share photographs
- Record or share short video clips
- Record or share sound/speech samples
- Visit locations for information gathering
- Location-specific reporting
- Camera, file, microphone, and location permissions
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What is DataForce Contribute? DataForce Contribute is a mobile application which enables freelance contributors to work on a variety of projects for DataForce by TransPerfect, the AI Solutions division of TransPerfect Translations Inc. Where can I find DataForce projects? You can find all DataForce freelance work opportunities here: https://dataforcecommunity.transperfect.com For some of these projects you will need to install DataForce Contribute in order to complete the tasks. Should you have any questions about these opportunities please contact DataForce.Sourcing@transperfect.com What can you do with the app? The projects you may be asked to participate in will involve some or all of the following: - taking or sharing photographs of specified objects, people or situations, - recording or sharing short video shots in accordance to the specifications, - recording or sharing sound or speech samples as specified in the instructions, - visiting places to provide information and media recorded there. What is needed to reap full benefits of the app? Because of the nature of media collections and activities that the app facilitates, DataForce Contribute will request several permissions for you to be able to perform the projects described above. In all cases the app requires access to the permissions only when in use to ensure your full control. The “when in use” permissions you need to grant include: - camera access (taking photos and recording video clips), - files and multimedia access (sharing photos and other media files selected by you, from your device), - microphone (recording sounds or speech samples), - location (for location-specific reporting of information). Please note that you will actively select the files to be shared and will always be aware of what and when you are sharing.
Screenshots
Verdict
The clearest difference is rating: Appen Voice at 5.0 against DataForce Contribute's 1.6. Appen Voice also leads on iOS requirement (11.0 vs 14.0). DataForce Contribute's advantage is ratings volume (59 vs 1). On price, update cadence, ads and 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Appen Voice holds the better App Store score, 5.0 against 1.6. That said, the two scores are not equally well evidenced: DataForce Contribute has 59 ratings behind it against 1, so its average is the more settled of the two.
Appen Voice ships an update fortnightly, DataForce Contribute monthly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.
| Parameter | Appen Voice | DataForce Contribute |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.6 (59 ratings) |
| Positive reviews | — | 2.5% of reviews |
| Number of ratings | 1 | 59 — better |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 20 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Appen Butler Hill Pty Ltd | TransPerfect |
Customer experience
Appen Voice
DataForce Contribute
In-app purchases
Appen Voice
No in-app purchases
DataForce Contribute
No in-app purchases
Questions
Is Appen Voice free?
Is DataForce Contribute free?
Which has better reviews, Appen Voice or DataForce Contribute?
Do Appen Voice or DataForce Contribute have ads?
Which is updated more often, Appen Voice or DataForce Contribute?
Other comparisons
