Comparison

Sálmabók vs Reverse Singing

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

Head to head
About

Sálmabók

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Í appini eru sálmar, sangir, løg og tekstir úr Sálmabók Føroya kirkju og Sálmabókaruppískoytinum. Útgevari: Føroyskt Kirkjumál 2025.

About

Reverse Singing

Features
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Reverse Audio Singing — Record, Reverse & Master Backward Vocals Ever wondered what your voice sounds like played in reverse? Reverse Audio Singing lets you record any sound, instantly flip it backward, and play it back — perfect for learning phonetic reversal, creating unique vocal effects, or just having fun with friends. KEY FEATURES - One-Tap Recording — Hit record and capture your voice in studio-quality audio. - Instant Reverse — Tap once to reverse any recording and hear it played backward in real time. - Waveform Visualizer — See your audio come to life with a sleek, animated waveform display. - Multiple Export Formats — Save reversed audio as WAV, M4A, MP3, or CAF and share anywhere. - Recording Library — All your recordings and reversed files, organized and ready to replay. - Dark Neon Theme — A stunning dark interface designed for focus and style. HOW IT WORKS 1. Record your voice or any sound. 2. Tap Reverse to flip the audio backward. 3. Listen, compare with the original, and export or share. WHO IS IT FOR? - Singers & musicians exploring phonetic reversal techniques - Content creators looking for unique backward-vocal effects - Language enthusiasts curious about reversed speech - Anyone who wants a quick, fun audio experiment Download Reverse Audio Singing now and discover what your world sounds like in reverse! Reverse Audio Singing Pro subscription is required to access all features. Subscription options include a weekly plan and a lifetime purchase. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.fitbam.app/privacy.html Terms and Conditions: https://www.fitbam.app/terms.html

Screenshots

Sálmabók4 screens
Reverse Singing4 screens

Verdict

The call

The clearest difference is in-app purchases: Sálmabók at none against Reverse Singing's 2. Sálmabók also leads on iOS requirement (15.1 vs 17.0). Reverse Singing's advantage is update cadence (every 3 weeks vs every 71 months). 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. Reverse Singing sells 2 in-app purchases, starting at $3.99 per 7 days. Sálmabók asks for nothing beyond the download.

UpkeepUpdate frequency

Sálmabók ships an update every 71 months, Reverse Singing every 3 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 3 level
Sálmabók versus Reverse Singing: the parameters behind the verdict, then further details
ParameterSálmabókReverse Singing
PriceFreeFree
Update frequencyEvery 71 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size134 MB27 MB
Age rating4+4+
DeveloperFaroe MediaEregar LTD

In-app purchases

None

Sálmabók

No in-app purchases

2 purchases

Reverse Singing

Subscriptions1
  • Reverse Singing Audio: Weekly3 Days trial$3.997 Days
One-time1
  • Reverse Singing Audio: Lifetime$12.99

Questions

Is Sálmabók free?
Sálmabók is free to download, with no in-app purchases.
Is Reverse Singing free?
Reverse Singing is free to download, with in-app purchases available.
Do Sálmabók or Reverse Singing have ads?
Neither Sálmabók nor Reverse Singing shows ads.
Which is updated more often, Sálmabók or Reverse Singing?
Sálmabók ships an update every 71 months, and Reverse Singing every 3 weeks. Most recently, Sálmabók was updated on October 19, 2026 and Reverse Singing on October 24, 2026.

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