Comparison

MantisApp vs Timekeeper by GRT

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MantisApp

Access and manage your MantisBT bug tracking system from your iPhone or iPad. View, create, edit, and comment on issues, and manage attachments. Additional features like unlimited issues and search are available via in-app purchase.

Highlights
  • Manage multiple MantisBT servers/accounts
  • View issue attachments
  • Create, edit, and comment on issues
  • View related issues
  • Unlimited issues (in-app purchase)
  • Search issues (in-app purchase)
Features
Read full description

MantisApp is the client for the open-source bug tracker MantisBT – on iPhone, iPad, Mac and iPhone Duo. Keep an eye on your projects and issues, report bugs on the go and update issues in seconds. CLEAR OVERVIEW • Multiple MantisBT servers and accounts in one app • Issue lists with status colors, priority, handler, category and date • Issue details with description, notes, attachments, relationships, tags and custom fields • iPad, Mac and iPhone Duo: list and issue side by side WORK FAST • Create and edit issues, change status and add notes • Upload photos, camera shots, files and drawings as attachments • Swipe actions and context menus for common tasks • Send files from other apps to MantisApp via Share MANTISAPP PRO • All issues of every project (the free version shows the three newest) • Search and filters by status, category, handler and more • Notifications for new and updated issues • Drawings and markups as attachments • Custom colors for every status Pro is available as a one-time purchase or as a yearly or monthly subscription (yearly with a one-week free trial). One purchase works on iPhone, iPad and Mac with the same Apple ID. PRIVATE No ads, no tracking. Your data goes straight to your MantisBT server; passwords are kept in the Keychain. REQUIREMENTS A MantisBT server version 1.2 or later with the SOAP API enabled (MantisBT 2.x recommended, tested with 2.28). A demo account is available right in the app. Questions and ideas: support@lbergelt.de Privacy Policy: https://lbergelt.com/apps/mantisapp_privacy.php?lang=en Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Timekeeper by GRT

Features
Read full description

Efficient Employee Management at Your Fingertips Timekeeper by GRT provides a seamless solution for employees to record their work hours with just a tap. Facilitate instant employee communication with our real-time chat system integrated into the app. Enhance collaboration and connectivity as team members can seamlessly engage and share information, fostering a dynamic and efficient work environment. Empower precision workforce management with our geofencing and live geo-tracking features. Ensure accountability and efficiency as workers seamlessly record their work hours at designated locations set by your company, streamlining attendance tracking easily.

Screenshots

MantisApp4 screens
Timekeeper by GRT3 screens

Verdict

The call

The clearest difference is in-app purchases: Timekeeper by GRT at none against MantisApp's 6. Timekeeper by GRT also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (15.6 vs 17.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MantisApp sells 6 in-app purchases, starting at $0.99 per month. Timekeeper by GRT asks for nothing beyond the download.

UpkeepUpdate frequency

MantisApp ships an update every 2 months, Timekeeper by GRT every 3 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 7 level
MantisApp versus Timekeeper by GRT: the parameters behind the verdict, then further details
ParameterMantisAppTimekeeper by GRT
PriceFreeFree
Rating2.3 (3 ratings) — better—
Positive reviews29.2% of reviews—
Number of ratings3 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.015.6 — better
Further details — not scored
Size8 MB117 MB
Age rating4+17+
DeveloperLars BergeltGRT Mobile Applications and Development L.L.C-FZ

In-app purchases

6 purchases

MantisApp

Subscriptions2
  • MantisApp Pro – Monthly$0.991 Month
  • MantisApp Pro – Yearly7 Days trial$4.991 Year
One-time4
  • Small Tip$1.99
  • Medium Tip$3.99
  • Large Tip$8.99
Show 1 more
  • MantisApp Pro – Lifetime$12.99
None

Timekeeper by GRT

No in-app purchases

Questions

Is MantisApp free?
MantisApp is free to download, with in-app purchases available.
Is Timekeeper by GRT free?
Timekeeper by GRT is free to download, with no in-app purchases.
Do MantisApp or Timekeeper by GRT have ads?
Neither MantisApp nor Timekeeper by GRT shows ads.
Which is updated more often, MantisApp or Timekeeper by GRT?
MantisApp ships an update every 2 months, and Timekeeper by GRT every 3 weeks. Most recently, MantisApp was updated on November 1, 2026 and Timekeeper by GRT on November 7, 2026.

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